From 6cdf83ea920d0725670efb795029a0ed4b23ef6c Mon Sep 17 00:00:00 2001 From: phibvcfc Date: Sun, 9 Aug 2026 01:03:49 +0700 Subject: [PATCH 1/3] fix: upgrade build tools, implement connection debouncing, and harden SDK initialization logic --- .../devconnect-android/build.gradle.kts | 4 +- .../devconnect-android/gradle.properties | 3 + .../gradle/wrapper/gradle-wrapper.jar | Bin 0 -> 43504 bytes .../gradle/wrapper/gradle-wrapper.properties | 7 + client_sdks/devconnect-android/gradlew | 252 +++++++++++ client_sdks/devconnect-android/gradlew.bat | 94 ++++ .../devconnect-android/settings.gradle.kts | 17 + .../main/java/com/devconnect/DevConnect.kt | 409 +++++++++++++----- .../com/devconnect/client/WebSocketClient.kt | 153 +++++-- .../HttpURLConnectionInterceptor.kt | 71 ++- .../interceptors/KtorInterceptor.kt | 174 +++----- .../interceptors/LogcatInterceptor.kt | 49 ++- .../interceptors/OkHttpInterceptor.kt | 94 +++- .../interceptors/URLStreamHandlerFactory.kt | 75 +++- .../interceptors/ViewModelObserver.kt | 44 +- .../com/devconnect/plugins/AppBenchmark.kt | 44 +- .../com/devconnect/plugins/ErrorMonitor.kt | 23 +- .../devconnect/plugins/MemoryLeakDetector.kt | 19 +- .../devconnect/plugins/PerformanceMonitor.kt | 57 ++- .../com/devconnect/reporters/LogReporter.kt | 36 +- .../com/devconnect/reporters/MmkvReporter.kt | 20 +- .../devconnect/reporters/StateFlowObserver.kt | 183 +++----- .../com/devconnect/wrappers/DevConnectMMKV.kt | 109 ++++- .../devconnect/wrappers/DevConnectRealm.kt | 9 +- 24 files changed, 1459 insertions(+), 487 deletions(-) create mode 100644 client_sdks/devconnect-android/gradle.properties create mode 100644 client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.jar create mode 100644 client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.properties create mode 100755 client_sdks/devconnect-android/gradlew create mode 100644 client_sdks/devconnect-android/gradlew.bat create mode 100644 client_sdks/devconnect-android/settings.gradle.kts diff --git a/client_sdks/devconnect-android/build.gradle.kts b/client_sdks/devconnect-android/build.gradle.kts index 9a677eb..097b1f6 100644 --- a/client_sdks/devconnect-android/build.gradle.kts +++ b/client_sdks/devconnect-android/build.gradle.kts @@ -1,6 +1,6 @@ plugins { - id("com.android.library") - id("org.jetbrains.kotlin.android") + id("com.android.library") version "8.4.0" + id("org.jetbrains.kotlin.android") version "1.9.10" id("maven-publish") } diff --git a/client_sdks/devconnect-android/gradle.properties b/client_sdks/devconnect-android/gradle.properties new file mode 100644 index 0000000..2c9f545 --- /dev/null +++ b/client_sdks/devconnect-android/gradle.properties @@ -0,0 +1,3 @@ +android.useAndroidX=true +android.nonTransitiveRClass=true +kotlin.code.style=official diff --git a/client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.jar b/client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.jar new file mode 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zko1egAORiG{r|8qj*FsN>?7d`han?*MD#xe^)sOqj;o;hgdaVnBH$BM{_73?znS+R z*G2VHM!Jw6#<FfJ-J%-9AuDW$@mc-Eyk~F{Jbvt` zn;(%DbBDnKIYr~|I>ZTvbH@cxUyw%bp*)OSs}lwO^HTJ2M#u5QsPF0?Jv*OVPfdKv z+t$Z5P!~jzZ~Y!d#iP?S{?M_g%Ua0Q)WawbIx+2uYpcf(7Im%W=rAu4dSceo7RZh# zN38=RmwOJQE$qbPXIuO^E`wSeJKCx3Q76irp~QS#19dusEVCWPrKhK9{7cbIMg9U} TZiJi*F`$tkWLn) literal 0 HcmV?d00001 diff --git a/client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.properties b/client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.properties new file mode 100644 index 0000000..09523c0 --- /dev/null +++ b/client_sdks/devconnect-android/gradle/wrapper/gradle-wrapper.properties @@ -0,0 +1,7 @@ +distributionBase=GRADLE_USER_HOME +distributionPath=wrapper/dists +distributionUrl=https\://services.gradle.org/distributions/gradle-8.9-bin.zip +networkTimeout=10000 +validateDistributionUrl=true +zipStoreBase=GRADLE_USER_HOME +zipStorePath=wrapper/dists diff --git a/client_sdks/devconnect-android/gradlew b/client_sdks/devconnect-android/gradlew new file mode 100755 index 0000000..f5feea6 --- /dev/null +++ b/client_sdks/devconnect-android/gradlew @@ -0,0 +1,252 @@ +#!/bin/sh + +# +# Copyright © 2015-2021 the original authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# https://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# +# SPDX-License-Identifier: Apache-2.0 +# + +############################################################################## +# +# Gradle start up script for POSIX generated by Gradle. +# +# Important for running: +# +# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is +# noncompliant, but you have some other compliant shell such as ksh or +# bash, then to run this script, type that shell name before the whole +# command line, like: +# +# ksh Gradle +# +# Busybox and similar reduced shells will NOT work, because this script +# requires all of these POSIX shell features: +# * functions; +# * expansions «$var», «${var}», «${var:-default}», «${var+SET}», +# «${var#prefix}», «${var%suffix}», and «$( cmd )»; +# * compound commands having a testable exit status, especially «case»; +# * various built-in commands including «command», «set», and «ulimit». +# +# Important for patching: +# +# (2) This script targets any POSIX shell, so it avoids extensions provided +# by Bash, Ksh, etc; in particular arrays are avoided. +# +# The "traditional" practice of packing multiple parameters into a +# space-separated string is a well documented source of bugs and security +# problems, so this is (mostly) avoided, by progressively accumulating +# options in "$@", and eventually passing that to Java. +# +# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS, +# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly; +# see the in-line comments for details. +# +# There are tweaks for specific operating systems such as AIX, CygWin, +# Darwin, MinGW, and NonStop. +# +# (3) This script is generated from the Groovy template +# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt +# within the Gradle project. +# +# You can find Gradle at https://github.com/gradle/gradle/. +# +############################################################################## + +# Attempt to set APP_HOME + +# Resolve links: $0 may be a link +app_path=$0 + +# Need this for daisy-chained symlinks. +while + APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path + [ -h "$app_path" ] +do + ls=$( ls -ld "$app_path" ) + link=${ls#*' -> '} + case $link in #( + /*) app_path=$link ;; #( + *) app_path=$APP_HOME$link ;; + esac +done + +# This is normally unused +# shellcheck disable=SC2034 +APP_BASE_NAME=${0##*/} +# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036) +APP_HOME=$( cd -P "${APP_HOME:-./}" > /dev/null && printf '%s +' "$PWD" ) || exit + +# Use the maximum available, or set MAX_FD != -1 to use that value. +MAX_FD=maximum + +warn () { + echo "$*" +} >&2 + +die () { + echo + echo "$*" + echo + exit 1 +} >&2 + +# OS specific support (must be 'true' or 'false'). +cygwin=false +msys=false +darwin=false +nonstop=false +case "$( uname )" in #( + CYGWIN* ) cygwin=true ;; #( + Darwin* ) darwin=true ;; #( + MSYS* | MINGW* ) msys=true ;; #( + NONSTOP* ) nonstop=true ;; +esac + +CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar + + +# Determine the Java command to use to start the JVM. +if [ -n "$JAVA_HOME" ] ; then + if [ -x "$JAVA_HOME/jre/sh/java" ] ; then + # IBM's JDK on AIX uses strange locations for the executables + JAVACMD=$JAVA_HOME/jre/sh/java + else + JAVACMD=$JAVA_HOME/bin/java + fi + if [ ! -x "$JAVACMD" ] ; then + die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +else + JAVACMD=java + if ! command -v java >/dev/null 2>&1 + then + die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. + +Please set the JAVA_HOME variable in your environment to match the +location of your Java installation." + fi +fi + +# Increase the maximum file descriptors if we can. +if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then + case $MAX_FD in #( + max*) + # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + MAX_FD=$( ulimit -H -n ) || + warn "Could not query maximum file descriptor limit" + esac + case $MAX_FD in #( + '' | soft) :;; #( + *) + # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked. + # shellcheck disable=SC2039,SC3045 + ulimit -n "$MAX_FD" || + warn "Could not set maximum file descriptor limit to $MAX_FD" + esac +fi + +# Collect all arguments for the java command, stacking in reverse order: +# * args from the command line +# * the main class name +# * -classpath +# * -D...appname settings +# * --module-path (only if needed) +# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables. + +# For Cygwin or MSYS, switch paths to Windows format before running java +if "$cygwin" || "$msys" ; then + APP_HOME=$( cygpath --path --mixed "$APP_HOME" ) + CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" ) + + JAVACMD=$( cygpath --unix "$JAVACMD" ) + + # Now convert the arguments - kludge to limit ourselves to /bin/sh + for arg do + if + case $arg in #( + -*) false ;; # don't mess with options #( + /?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath + [ -e "$t" ] ;; #( + *) false ;; + esac + then + arg=$( cygpath --path --ignore --mixed "$arg" ) + fi + # Roll the args list around exactly as many times as the number of + # args, so each arg winds up back in the position where it started, but + # possibly modified. + # + # NB: a `for` loop captures its iteration list before it begins, so + # changing the positional parameters here affects neither the number of + # iterations, nor the values presented in `arg`. + shift # remove old arg + set -- "$@" "$arg" # push replacement arg + done +fi + + +# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"' + +# Collect all arguments for the java command: +# * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments, +# and any embedded shellness will be escaped. +# * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be +# treated as '${Hostname}' itself on the command line. + +set -- \ + "-Dorg.gradle.appname=$APP_BASE_NAME" \ + -classpath "$CLASSPATH" \ + org.gradle.wrapper.GradleWrapperMain \ + "$@" + +# Stop when "xargs" is not available. +if ! command -v xargs >/dev/null 2>&1 +then + die "xargs is not available" +fi + +# Use "xargs" to parse quoted args. +# +# With -n1 it outputs one arg per line, with the quotes and backslashes removed. +# +# In Bash we could simply go: +# +# readarray ARGS < <( xargs -n1 <<<"$var" ) && +# set -- "${ARGS[@]}" "$@" +# +# but POSIX shell has neither arrays nor command substitution, so instead we +# post-process each arg (as a line of input to sed) to backslash-escape any +# character that might be a shell metacharacter, then use eval to reverse +# that process (while maintaining the separation between arguments), and wrap +# the whole thing up as a single "set" statement. +# +# This will of course break if any of these variables contains a newline or +# an unmatched quote. +# + +eval "set -- $( + printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" | + xargs -n1 | + sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' | + tr '\n' ' ' + )" '"$@"' + +exec "$JAVACMD" "$@" diff --git a/client_sdks/devconnect-android/gradlew.bat b/client_sdks/devconnect-android/gradlew.bat new file mode 100644 index 0000000..9d21a21 --- /dev/null +++ b/client_sdks/devconnect-android/gradlew.bat @@ -0,0 +1,94 @@ +@rem +@rem Copyright 2015 the original author or authors. +@rem +@rem Licensed under the Apache License, Version 2.0 (the "License"); +@rem you may not use this file except in compliance with the License. +@rem You may obtain a copy of the License at +@rem +@rem https://www.apache.org/licenses/LICENSE-2.0 +@rem +@rem Unless required by applicable law or agreed to in writing, software +@rem distributed under the License is distributed on an "AS IS" BASIS, +@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +@rem See the License for the specific language governing permissions and +@rem limitations under the License. +@rem +@rem SPDX-License-Identifier: Apache-2.0 +@rem + +@if "%DEBUG%"=="" @echo off +@rem ########################################################################## +@rem +@rem Gradle startup script for Windows +@rem +@rem ########################################################################## + +@rem Set local scope for the variables with windows NT shell +if "%OS%"=="Windows_NT" setlocal + +set DIRNAME=%~dp0 +if "%DIRNAME%"=="" set DIRNAME=. +@rem This is normally unused +set APP_BASE_NAME=%~n0 +set APP_HOME=%DIRNAME% + +@rem Resolve any "." and ".." in APP_HOME to make it shorter. +for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi + +@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. +set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m" + +@rem Find java.exe +if defined JAVA_HOME goto findJavaFromJavaHome + +set JAVA_EXE=java.exe +%JAVA_EXE% -version >NUL 2>&1 +if %ERRORLEVEL% equ 0 goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:findJavaFromJavaHome +set JAVA_HOME=%JAVA_HOME:"=% +set JAVA_EXE=%JAVA_HOME%/bin/java.exe + +if exist "%JAVA_EXE%" goto execute + +echo. 1>&2 +echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 1>&2 +echo. 1>&2 +echo Please set the JAVA_HOME variable in your environment to match the 1>&2 +echo location of your Java installation. 1>&2 + +goto fail + +:execute +@rem Setup the command line + +set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar + + +@rem Execute Gradle +"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %* + +:end +@rem End local scope for the variables with windows NT shell +if %ERRORLEVEL% equ 0 goto mainEnd + +:fail +rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of +rem the _cmd.exe /c_ return code! +set EXIT_CODE=%ERRORLEVEL% +if %EXIT_CODE% equ 0 set EXIT_CODE=1 +if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE% +exit /b %EXIT_CODE% + +:mainEnd +if "%OS%"=="Windows_NT" endlocal + +:omega diff --git a/client_sdks/devconnect-android/settings.gradle.kts b/client_sdks/devconnect-android/settings.gradle.kts new file mode 100644 index 0000000..4057aba --- /dev/null +++ b/client_sdks/devconnect-android/settings.gradle.kts @@ -0,0 +1,17 @@ +pluginManagement { + repositories { + google() + mavenCentral() + gradlePluginPortal() + } +} + +dependencyResolutionManagement { + repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS) + repositories { + google() + mavenCentral() + } +} + +rootProject.name = "devconnect-android" diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt index b539bce..4f11725 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt @@ -4,6 +4,7 @@ import com.devconnect.client.WebSocketClient import com.devconnect.interceptors.DevConnectKermitWriter import com.devconnect.interceptors.DevConnectKtorPlugin import com.devconnect.interceptors.DevConnectNapierAntilog +import com.devconnect.interceptors.DevConnectURLStreamHandlerFactory import com.devconnect.interceptors.OkHttpInterceptor import com.devconnect.reporters.DataStoreReporter import com.devconnect.reporters.LogReporter @@ -15,6 +16,7 @@ import com.devconnect.reporters.SQLDelightReporter import com.devconnect.reporters.DevConnectStateObserver import com.devconnect.reporters.SharedPrefsReporter import com.devconnect.wrappers.DevConnectRealm +import kotlinx.coroutines.launch import org.json.JSONObject import java.util.UUID @@ -74,11 +76,21 @@ import java.util.UUID */ object DevConnect { private var client: WebSocketClient? = null - private var enabled = true - private var deviceId = "" - /** Pre-init queue: messages sent before init() completes */ - private val preInitQueue = mutableListOf>() + /** + * Default `false` — opt-in only. The SDK captures network requests, + * auth headers, and request bodies that may include OAuth tokens. + * Production builds MUST pass `enabled = BuildConfig.DEBUG` explicitly. + */ + private var enabled = false + @Volatile private var deviceId = "" + + /** Pre-init queue: messages sent before init() completes. Synchronized + * because [send] is called from any thread (interceptor callbacks, + * OkHttp dispatchers, etc.) while [init] drains it on the calling + * thread. */ + private val preInitQueue: MutableList> = + java.util.Collections.synchronizedList(mutableListOf()) /** * Initialize DevConnect. @@ -89,7 +101,7 @@ object DevConnect { * @param host Desktop IP. null or "auto" for auto-detection. * @param port WebSocket port (default: 9090) * @param auto Auto-detect host if not specified (default: true) - * @param enabled Pass BuildConfig.DEBUG to disable in production (default: true) + * @param enabled Pass BuildConfig.DEBUG to disable in production (default: false) * * Production usage: * ```kotlin @@ -100,7 +112,14 @@ object DevConnect { * Auto-detection tries: 10.0.2.2 (emulator) -> 10.0.3.2 (Genymotion) -> localhost -> 127.0.0.1 */ private var appContext: android.content.Context? = null - private const val CACHE_KEY = "DcN3t\$ecR7!" + + /** Coroutine scope for the asynchronous portion of [init] — host + * discovery + WebSocket client construction. Kept as a separate + * scope so init() returns quickly and the caller's + * `Application.onCreate()` doesn't block. */ + private val initScope = kotlinx.coroutines.CoroutineScope( + kotlinx.coroutines.SupervisorJob() + kotlinx.coroutines.Dispatchers.IO + ) /** * Tracks the topmost (or last-resumed) Activity in this process. Set @@ -114,6 +133,12 @@ object DevConnect { private var trackedActivityRef: java.lang.ref.WeakReference? = null private var lifecycleCallbacks: android.app.Application.ActivityLifecycleCallbacks? = null + /** Monotonic timestamp of the last server:reload/server:hot_restart + * we dispatched. Used to debounce — a malicious or buggy desktop + * could otherwise recreate the Activity every frame. */ + @Volatile private var lastReloadDispatchMs = 0L + private val reloadDebounceMs = 1_000L + /** * Installs an [android.app.Application.ActivityLifecycleCallbacks] that * keeps [trackedActivityRef] pointed at the topmost resumed Activity. @@ -144,45 +169,98 @@ object DevConnect { appCtx.registerActivityLifecycleCallbacks(callbacks) } - private fun getPrefs(): android.content.SharedPreferences? { - return appContext?.getSharedPreferences("dc_session", android.content.Context.MODE_PRIVATE) + /** + * Dispatch a reload/hot_restart request to the host activity, with a + * 1-second debounce so a misbehaving desktop cannot thrash the + * activity through onCreate/onDestroy at 10Hz. Shared between + * `server:reload` and `server:hot_restart` because they trigger the + * same code path on Android (Activity.recreate is the strongest + * "reset" Android exposes). + * + * Main-thread dispatch is required — the WebSocket listener fires on + * a background thread and Activity.recreate() MUST run on the UI + * thread or ActivityManager throws CalledFromWrongThreadException. + */ + private fun handleReloadRequest(messageType: String) { + val now = System.currentTimeMillis() + if (now - lastReloadDispatchMs < reloadDebounceMs) { + // Drop the request — the previous one is still in flight or + // just completed. Log at info level so the dev can see the + // desktop is spamming. + android.util.Log.i( + "DevConnect", + "Ignored $messageType (debounced — last dispatch $now - $lastReloadDispatchMs ms ago)" + ) + return + } + lastReloadDispatchMs = now + + android.os.Handler(android.os.Looper.getMainLooper()).post { + if (reloadHandler != null) { + try { reloadHandler?.invoke() } catch (e: Exception) { + android.util.Log.w( + "DevConnect", + "reloadHandler threw: ${e.message}", + e + ) + } + } else { + try { + val act = trackedActivityRef?.get() + if (act != null && !act.isFinishing) act.recreate() + } catch (e: Exception) { + android.util.Log.w( + "DevConnect", + "Activity.recreate failed: ${e.message}", + e + ) + } + } + } } - private fun xorCipher(input: String, key: String): String { - val sb = StringBuilder() - for (i in input.indices) { - sb.append((input[i].code xor key[i % key.length].code).toChar()) - } - return sb.toString() + private fun getPrefs(): android.content.SharedPreferences? { + return appContext?.getSharedPreferences("dc_session", android.content.Context.MODE_PRIVATE) } @android.annotation.SuppressLint("HardwareIds") private fun generateStableDeviceId(appName: String): String { + // deviceId is only derived from appContext — calling [init] without + // a Context is now a programmer error (was previously a silent + // privacy leak via Build.FINGERPRINT). val ctx = appContext - val seed = if (ctx != null) { - val androidId = android.provider.Settings.Secure.getString( - ctx.contentResolver, - android.provider.Settings.Secure.ANDROID_ID - ) ?: "" - "$androidId:${ctx.packageName}" - } else { - "$appName:${android.os.Build.BRAND}:${android.os.Build.MODEL}:${android.os.Build.FINGERPRINT}" - } + ?: throw IllegalStateException( + "DevConnect.init must be called with a Context before deviceId is used" + ) + val androidId = android.provider.Settings.Secure.getString( + ctx.contentResolver, + android.provider.Settings.Secure.ANDROID_ID + ) ?: "" + val seed = "$androidId:${ctx.packageName}" return UUID.nameUUIDFromBytes(seed.toByteArray()).toString() } /** Cached host + server's stable machineId for identity verification. */ private data class CachedHost(val host: String, val machineId: String) + /** + * Cache the discovered host. Stored as plain JSON in + * `dc_session` SharedPreferences (MODE_PRIVATE). The previous + * implementation claimed "encryption" via XOR with a hardcoded key — + * XOR with a static key is not encryption, and the misleading framing + * raised the security review bar without delivering it. The cache + * holds dev-only connection metadata (IP + machineId), so plain JSON + * is honest and appropriate. + */ private fun saveHostCache(host: String, port: Int, machineId: String?) { try { - val machineIdField = if (machineId != null) ""","m":"$machineId"""" else "" - val plain = """{"h":"$host","p":$port,"t":${System.currentTimeMillis()}$machineIdField}""" - val encrypted = android.util.Base64.encodeToString( - xorCipher(plain, CACHE_KEY).toByteArray(Charsets.ISO_8859_1), - android.util.Base64.NO_WRAP - ) - getPrefs()?.edit()?.putString("dc_s", encrypted)?.apply() + val plain = JSONObject().apply { + put("h", host) + put("p", port) + put("t", System.currentTimeMillis()) + if (machineId != null) put("m", machineId) + }.toString() + getPrefs()?.edit()?.putString("dc_s", plain)?.apply() } catch (_: Exception) {} } @@ -195,10 +273,8 @@ object DevConnect { private fun readHostCache(port: Int): CachedHost? { try { - val encrypted = getPrefs()?.getString("dc_s", null) ?: return null - val decoded = android.util.Base64.decode(encrypted, android.util.Base64.NO_WRAP) - val decrypted = xorCipher(String(decoded, Charsets.ISO_8859_1), CACHE_KEY) - val json = JSONObject(decrypted) + val plain = getPrefs()?.getString("dc_s", null) ?: return null + val json = JSONObject(plain) val cachedTime = json.optLong("t", 0) if (System.currentTimeMillis() - cachedTime > 24 * 60 * 60 * 1000) return null if (json.optInt("p") != port) return null @@ -262,7 +338,7 @@ object DevConnect { host: String? = null, port: Int = 9090, auto: Boolean = true, - enabled: Boolean = true, + enabled: Boolean = false, versionCode: String? = null, autoInterceptLogs: Boolean = false, /** Auto-intercept HttpURLConnection (Volley, native HTTP). Default: true */ @@ -277,7 +353,32 @@ object DevConnect { this.enabled = enabled if (!enabled) return - // Save context for SharedPreferences + // Defence-in-depth: warn (not abort) when DevConnect is enabled in + // a non-debuggable build. The SDK captures network requests, + // headers (incl. Authorization), and request bodies that may + // contain OAuth tokens — production releases should pass + // `enabled = BuildConfig.DEBUG`. + try { + // `context` is typed `Any` so cross-platform call sites can + // pass a non-Android context. Smart-cast to a real Context + // before accessing platform-specific members. + val ctx = context as? android.content.Context + val app = ctx?.applicationContext as? android.app.Application + if (app != null && + (app.getApplicationInfo().flags and android.content.pm.ApplicationInfo.FLAG_DEBUGGABLE) == 0 + ) { + android.util.Log.w( + "DevConnect", + "DevConnect.init called with enabled=true in a non-debuggable build. " + + "Captured traffic (incl. Authorization headers) will be sent in cleartext " + + "to the LAN-connected desktop. Pass `enabled = BuildConfig.DEBUG` in release." + ) + } + } catch (_: Exception) {} + + // Save context for SharedPreferences. We require a real Context so + // deviceId derivation never falls through to the Build.FINGERPRINT + // privacy leak (M4). if (context is android.content.Context) { appContext = context.applicationContext // `context` is smart-cast to non-null inside this branch; @@ -285,22 +386,62 @@ object DevConnect { // // LifecycleTracker (which expects a non-null Context) doesn't // receive the nullable `appContext` field. installActivityLifecycleTracker(context.applicationContext) + } else { + throw IllegalArgumentException( + "DevConnect.init requires an android.content.Context as the first argument" + ) } // Generate stable deviceId from app + device info (prevents duplicates on reconnect/hot-reload) deviceId = generateStableDeviceId(appName) - val resolvedHost = if (host == null || host == "auto") { - if (auto) autoDetectHost(port) else "10.0.2.2" - } else { - host + // Resolve the host off the main thread. The previous implementation + // called `autoDetectHost()` synchronously inside init(), which is + // typically invoked from `Application.onCreate()` on the main + // thread. Discovery waits up to 3.5 s on a cache miss and the + // subnet scan can run for tens of seconds — a hard ANR during app + // startup. + val explicitHost = host + initScope.launch(kotlinx.coroutines.Dispatchers.IO) { + val resolvedHost = when { + explicitHost != null && explicitHost != "auto" -> explicitHost + auto -> autoDetectHost(port) + else -> "10.0.2.2" + } + connectAfterDiscovery( + host = resolvedHost, + context = context, + appName = appName, + appVersion = appVersion, + versionCode = versionCode, + port = port, + autoInterceptLogs = autoInterceptLogs, + autoInterceptHttp = autoInterceptHttp, + autoPerformance = autoPerformance, + autoMemoryLeak = autoMemoryLeak, + autoBenchmark = autoBenchmark + ) } + } + private fun connectAfterDiscovery( + host: String, + context: Any, + appName: String, + appVersion: String, + versionCode: String?, + port: Int, + autoInterceptLogs: Boolean, + autoInterceptHttp: Boolean, + autoPerformance: Boolean, + autoMemoryLeak: Boolean, + autoBenchmark: Boolean + ) { // Disconnect old client to prevent orphaned connections client?.disconnect() client = WebSocketClient( - host = resolvedHost, + host = host, port = port, deviceId = deviceId, appName = appName, @@ -312,7 +453,7 @@ object DevConnect { // some other device that happened to claim the same IP. ws.onServerHello = { machineId -> if (!machineId.isNullOrEmpty()) { - saveHostCache(resolvedHost, port, machineId) + saveHostCache(host, port, machineId) } } ws.onServerMessage = { type, json -> @@ -322,14 +463,27 @@ object DevConnect { val state = payload.optJSONObject("state") if (state != null) { val map = jsonObjectToMap(state) - onStateRestore?.invoke(map) + // Guard the user-supplied lambda — a throw + // here used to escape into the WebSocket + // coroutine scope and silently fail the + // whole restore. Log to the desktop so the + // dev can see which handler broke. + try { + onStateRestore?.invoke(map) + } catch (e: Exception) { + sendLog("error", "onStateRestore threw: ${e.message}", "DevConnect", e.stackTraceToString()) + } } } "server:redux:dispatch" -> { val action = payload.optJSONObject("action") if (action != null) { val map = jsonObjectToMap(action) - onReduxDispatch?.invoke(map) + try { + onReduxDispatch?.invoke(map) + } catch (e: Exception) { + sendLog("error", "onReduxDispatch threw: ${e.message}", "DevConnect", e.stackTraceToString()) + } } } "server:custom:command" -> { @@ -340,70 +494,27 @@ object DevConnect { val argsMap = if (args != null) jsonObjectToMap(args) else null try { val result = handler(argsMap) - val correlationId = json.optString("correlationId", null) - val resultPayload = buildPayload { + send("client:custom:command_result", buildPayload { put("command", cmd) + put("status", "ok") if (result != null) put("result", result) - } - send("client:custom:command_result", resultPayload) - } catch (_: Exception) { - // Handler threw — send error result so desktop knows + }) + } catch (e: Exception) { + // Surface the failure to the desktop so it + // can show the user that the handler + // crashed — the previous "swallow + send + // empty result" payload made every failure + // look like success. send("client:custom:command_result", buildPayload { put("command", cmd) + put("status", "error") + put("error", e.message ?: e.javaClass.simpleName) }) } } } - "server:reload" -> { - // Desktop asking the app to rebuild itself. Android has - // no hot-reload in the RN/Flutter sense, so the - // closest equivalent is recreating the host activity - // — that tears down every view, kills any in-process - // state, and re-launches the activity from onCreate. - // If the host has supplied a custom handler, defer to - // that and let them call recreate() themselves. - // - // Dispatched onto the main thread — the WebSocket - // listener fires on a background thread and any UI - // mutation (Activity.recreate() included) MUST happen - // on the UI thread or ActivityManager throws - // `CalledFromWrongThreadException`. - android.os.Handler(android.os.Looper.getMainLooper()).post { - if (reloadHandler != null) { - try { reloadHandler?.invoke() } catch (_: Exception) {} - } else { - try { - val act = trackedActivityRef?.get() - if (act != null && !act.isFinishing) act.recreate() - } catch (_: Exception) { - // Activity gone or in bad state — ignore - } - } - } - } - "server:hot_restart" -> { - // Heavier counterpart — same observable effect as - // `server:reload` because `Activity.recreate()` is - // already the strongest "reset" Android exposes. - // We still accept the message so mixed-platform - // setups don't silently drop the hot_restart signal - // on Android devices when the user clicks the - // Hot restart button (visible when a Flutter device - // is also connected). Main-thread dispatch also - // required here (see server:reload comment above). - android.os.Handler(android.os.Looper.getMainLooper()).post { - if (reloadHandler != null) { - try { reloadHandler?.invoke() } catch (_: Exception) {} - } else { - try { - val act = trackedActivityRef?.get() - if (act != null && !act.isFinishing) act.recreate() - } catch (_: Exception) { - // Activity gone or in bad state — ignore - } - } - } - } + "server:reload" -> handleReloadRequest(json.optString("type")) + "server:hot_restart" -> handleReloadRequest(json.optString("type")) } } } @@ -419,12 +530,17 @@ object DevConnect { DevConnectURLStreamHandlerFactory.install() } - // Flush pre-init queue (messages from interceptors before init) - if (preInitQueue.isNotEmpty()) { - for ((type, payload) in preInitQueue) { - send(type, payload) + // Flush pre-init queue (messages from interceptors before init). + // Hold the same lock [send] uses so a late interceptor can't enqueue + // between our drain and clear — that race was the source of an + // earlier CME. + synchronized(preInitQueue) { + if (preInitQueue.isNotEmpty()) { + for ((type, payload) in preInitQueue) { + send(type, payload) + } + preInitQueue.clear() } - preInitQueue.clear() } // Auto-start monitoring plugins (run in both dev and production) @@ -841,11 +957,72 @@ object DevConnect { send("client:storage:operation", buildPayload { put("storageType", storageType) put("key", key) - value?.let { put("value", it) } + value?.let { put("value", redactSensitiveValue(key, it)) } put("operation", operation) }) } + /** + * Short-form storage reporter used by the auto-wrappers + * ([com.devconnect.wrappers.DevConnectSharedPrefs], + * [com.devconnect.wrappers.DevConnectMMKV], + * [com.devconnect.reporters.ObjectBoxReporter], + * [com.devconnect.reporters.SQLDelightReporter]). + * + * Equivalent to [reportStorageOperation] but with a name the wrappers + * have historically used. + */ + fun sendStorage( + storageType: String, + key: String, + value: Any? = null, + operation: String + ) { + reportStorageOperation(storageType, key, value, operation) + } + + /** + * Best-effort send used by the uncaught-exception handler. Accepts a + * plain map (instead of a [JSONObject]) because crash payloads are + * built ad-hoc in [com.devconnect.plugins.ErrorMonitor] before + * [JSONObject] is touched. + * + * Never throws — the previous handler must run even if reporting fails. + */ + internal fun safeSend(type: String, payload: Map) { + try { + val json = JSONObject() + for ((k, v) in payload) { + if (v == null) { + json.put(k, JSONObject.NULL) + } else { + json.put(k, v) + } + } + send(type, json) + } catch (_: Exception) { + // The process is dying — swallow everything. + } + } + + /** Keys whose values must be redacted before they leave the device. + * Matches `Authorization`, `Cookie`, `password`, `token`, `secret`, + * etc. by substring (case-insensitive) — same heuristic the desktop + * side uses. */ + private val sensitiveKeyPatterns = listOf( + "token", "password", "secret", "apikey", "api_key", + "authorization", "cookie", "set-cookie", "credential" + ) + + private fun redactSensitiveValue(key: String, value: Any?): Any? { + if (value == null) return null + val lower = key.lowercase() + if (sensitiveKeyPatterns.any { lower.contains(it) }) { + return "[REDACTED]" + } + return value + } + // ---- Performance Profiling ---- /** @@ -1012,14 +1189,18 @@ object DevConnect { // ---- Benchmark API ---- - private val benchmarks = mutableMapOf>() + private val benchmarks = java.util.concurrent.ConcurrentHashMap>() fun benchmarkStart(title: String) { benchmarks[title] = mutableListOf(System.currentTimeMillis()) } fun benchmarkStep(title: String) { - benchmarks[title]?.add(System.currentTimeMillis()) + // Synchronize the inner list — ConcurrentHashMap only guards the + // map access, not the underlying list's mutation. + synchronized(benchmarks) { + benchmarks[title]?.add(System.currentTimeMillis()) + } } fun benchmarkStop(title: String) { @@ -1129,7 +1310,7 @@ object DevConnect { // ---- Custom commands ---- - private val commandHandlers = mutableMapOf?) -> Any?>() + private val commandHandlers = java.util.concurrent.ConcurrentHashMap?) -> Any?>() fun registerCommand(name: String, handler: (Map?) -> Any?) { commandHandlers[name] = handler @@ -1160,9 +1341,13 @@ object DevConnect { val c = client if (c == null) { - // Queue for later if init() hasn't been called yet - if (preInitQueue.size < 500) { - preInitQueue.add(Pair(type, payload)) + // Queue for later if init() hasn't been called yet. The list + // is a synchronized wrapper — size + add is one atomic block + // so we never overshoot the 500 cap. + synchronized(preInitQueue) { + if (preInitQueue.size < 500) { + preInitQueue.add(Pair(type, payload)) + } } return } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/client/WebSocketClient.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/client/WebSocketClient.kt index 77e7502..ed2e80a 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/client/WebSocketClient.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/client/WebSocketClient.kt @@ -6,8 +6,11 @@ import java.io.BufferedInputStream import java.io.PrintWriter import java.net.Socket import java.security.MessageDigest +import java.security.SecureRandom import java.util.* import java.util.concurrent.ConcurrentLinkedQueue +import java.util.concurrent.atomic.AtomicInteger +import kotlin.math.min /** * Lightweight WebSocket client for DevConnect. @@ -37,6 +40,8 @@ class WebSocketClient( private val messageQueue = ConcurrentLinkedQueue() private val scope = CoroutineScope(Dispatchers.IO + SupervisorJob()) private var reconnectJob: Job? = null + private val reconnectAttempts = AtomicInteger(0) + private val secureRandom = SecureRandom() fun connect() { scope.launch { @@ -45,9 +50,8 @@ class WebSocketClient( writer = PrintWriter(socket!!.getOutputStream(), true) // Perform WebSocket handshake - val key = Base64.getEncoder().encodeToString( - ByteArray(16).also { Random().nextBytes(it) } - ) + val keyBytes = ByteArray(16).also { secureRandom.nextBytes(it) } + val key = Base64.getEncoder().encodeToString(keyBytes) val handshake = """ GET / HTTP/1.1 Host: $host:$port @@ -64,20 +68,29 @@ class WebSocketClient( // Read handshake response using BufferedInputStream // (avoids BufferedReader stealing bytes from the WebSocket frame stream) val inputStream = BufferedInputStream(socket!!.getInputStream()) - val lineBuf = StringBuilder() + val statusLine = readLine(inputStream) + ?: throw java.io.IOException("Empty handshake response") + if (!statusLine.contains("101")) { + throw java.io.IOException("Unexpected handshake response: $statusLine") + } + var acceptHeader: String? = null while (true) { - val b = inputStream.read() - if (b == -1) break - if (b == '\n'.code) { - val line = lineBuf.toString().trimEnd('\r') - lineBuf.clear() - if (line.isEmpty()) break // end of HTTP headers - } else { - lineBuf.append(b.toChar()) + val line = readLine(inputStream) ?: break + if (line.isEmpty()) break // end of HTTP headers + if (line.startsWith("Sec-WebSocket-Accept:", ignoreCase = true)) { + acceptHeader = line.substringAfter(':').trim() } } + // Validate the Sec-WebSocket-Accept per RFC 6455 §1.3. + val expected = computeSecWebSocketAccept(key) + if (acceptHeader == null || acceptHeader != expected) { + throw java.io.IOException( + "Invalid Sec-WebSocket-Accept (expected=$expected got=$acceptHeader)" + ) + } isConnected = true + reconnectAttempts.set(0) // Flush queued messages while (messageQueue.isNotEmpty()) { @@ -95,6 +108,23 @@ class WebSocketClient( } } + private fun readLine(input: BufferedInputStream): String? { + val sb = StringBuilder() + while (true) { + val b = input.read() + if (b == -1) return if (sb.isEmpty()) null else sb.toString().trimEnd('\r') + if (b == '\n'.code) return sb.toString().trimEnd('\r') + sb.append(b.toChar()) + } + } + + private fun computeSecWebSocketAccept(clientKey: String): String { + val sha1 = MessageDigest.getInstance("SHA-1") + sha1.update(clientKey.toByteArray()) + sha1.update(WEB_SOCKET_MAGIC_GUID.toByteArray()) + return Base64.getEncoder().encodeToString(sha1.digest()) + } + private fun sendHandshake() { val payload = JSONObject().apply { put("deviceInfo", JSONObject().apply { @@ -124,39 +154,73 @@ class WebSocketClient( scope.launch { try { while (isConnected) { - // Simplified WebSocket frame reading + // WebSocket frame reading per RFC 6455 §5.2. val firstByte = inputStream.read() if (firstByte == -1) break val secondByte = inputStream.read() val payloadLength = secondByte and 0x7F - val actualLength = when { - payloadLength <= 125 -> payloadLength + val actualLength: Long = when { + payloadLength <= 125 -> payloadLength.toLong() payloadLength == 126 -> { + // 16-bit length val b1 = inputStream.read() val b2 = inputStream.read() - (b1 shl 8) or b2 + if (b1 == -1 || b2 == -1) break + ((b1 shl 8) or b2).toLong() } else -> { - // 8 bytes for length - skip for simplicity - repeat(8) { inputStream.read() } - 0 + // 64-bit length — previous implementation + // read and discarded the 8 bytes, returning + // 0, which silently dropped every frame + // larger than 64 KB. + var length = 0L + for (i in 0 until 8) { + val b = inputStream.read() + if (b == -1) break + length = (length shl 8) or b.toLong() + } + length } } + // Client-to-server frames must be masked (RFC 6455 + // §5.1), but server-to-client frames are unmasked — + // skip the 4-byte mask key only if present. + val masked = (secondByte and 0x80) != 0 + if (masked) { + repeat(4) { inputStream.read() } + } + if (actualLength > 0) { - val data = ByteArray(actualLength) + // Cap a single captured frame at 8 MB so a + // runaway server cannot OOM the device. Larger + // frames are read but only the prefix is parsed. + val toParse = min(actualLength, MAX_FRAME_BYTES.toLong()).toInt() + val data = ByteArray(toParse) var totalRead = 0 - while (totalRead < actualLength) { + while (totalRead < toParse) { val read = inputStream.read( - data, totalRead, actualLength - totalRead + data, totalRead, toParse - totalRead ) if (read == -1) break totalRead += read } + // Drain any remaining bytes of the frame so we + // stay aligned with the next frame. + if (actualLength > toParse) { + var remaining = actualLength - toParse + val sink = ByteArray(8 * 1024) + while (remaining > 0) { + val chunk = if (remaining > sink.size) sink.size else remaining.toInt() + val n = inputStream.read(sink, 0, chunk) + if (n == -1) break + remaining -= n + } + } - val message = String(data) + val message = String(data, 0, totalRead, Charsets.UTF_8) handleMessage(message) } } @@ -230,8 +294,12 @@ class WebSocketClient( } } - // Mask key - val maskKey = ByteArray(4).also { Random().nextBytes(it) } + // Mask key — use SecureRandom per RFC 6455 §5.3. The previous + // implementation used `Random()` which uses a Linear + // Congruential Generator seeded from the system clock; that + // makes the 32-bit mask key trivially guessable by an on-path + // observer and breaks WebSocket's framing-integrity guarantee. + val maskKey = ByteArray(4).also { secureRandom.nextBytes(it) } frame.addAll(maskKey.toList()) // Masked data @@ -244,8 +312,23 @@ class WebSocketClient( private fun scheduleReconnect() { reconnectJob?.cancel() + val attempt = reconnectAttempts.incrementAndGet() + // Exponential backoff with jitter, capped at 30 s. + // 1st retry → ~500 ms + // 5th retry → ~8 s + // 10th retry → 30 s (cap) + // Jitter avoids the thundering-herd reconnect pattern when + // the server comes back and many clients try at once. + val baseMs = (1L shl min(attempt - 1, 6)).coerceAtMost(60L) * 500L + val cappedMs = min(baseMs, MAX_RECONNECT_DELAY_MS) + // `java.security.SecureRandom` does not have a `nextLong(bound)` + // overload — only `nextLong()` (no args). Compute the jitter + // range in a way that avoids that non-existent method. + val jitterBound = (cappedMs / 4 + 1).toInt().coerceAtLeast(1) + val jitterMs = secureRandom.nextInt(jitterBound).toLong() + val delayMs = cappedMs + jitterMs reconnectJob = scope.launch { - delay(3000) + delay(delayMs) if (!isConnected) connect() } } @@ -258,4 +341,22 @@ class WebSocketClient( try { socket?.close() } catch (_: Exception) {} socket = null } + + private companion object { + // RFC 6455 §1.3 — magic GUID concatenated with the client's + // Sec-WebSocket-Key before SHA-1 hashing for the server's + // Sec-WebSocket-Accept. + const val WEB_SOCKET_MAGIC_GUID = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11" + + // Cap a single parsed frame at 8 MB. Server-to-client frames + // larger than this are read and discarded; only the first 8 MB + // is parsed into a String. Prevents a runaway server from OOMing + // the device with a giant frame. + const val MAX_FRAME_BYTES = 8 * 1024 * 1024 + + // Cap reconnect backoff at 30 s. The base grows as + // `2^(attempt-1) * 500 ms` so attempts 1–6 are + // 500/1000/2000/4000/8000/16000 ms; attempt 7+ stay at the cap. + const val MAX_RECONNECT_DELAY_MS = 30_000L + } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt index 8738fb1..d0b375e 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt @@ -36,6 +36,10 @@ import java.util.UUID */ object DevConnectHttpURLConnection { + // Cap captured bodies at 1 MB so a chatty / large-response endpoint + // (Firebase Real DB snapshot, S3 list-objects, …) cannot OOM the SDK. + private const val MAX_CAPTURED_BODY_BYTES = 1_048_576 + fun open(url: String): HttpURLConnection { val conn = URL(url).openConnection() as HttpURLConnection return wrap(conn) @@ -80,16 +84,35 @@ object DevConnectHttpURLConnection { return try { val stream = inner.inputStream + // Cap capture at 1 MB so a chatty / large-response endpoint + // (Firebase Real DB snapshot, S3 list-objects, …) cannot + // OOM the SDK. The consumer still gets the full stream — + // we only stop copying into our local buffer. val bytes = ByteArrayOutputStream() - stream.copyTo(bytes) + val buf = ByteArray(8 * 1024) + var copied = 0L + var truncated = false + while (true) { + val n = stream.read(buf) + if (n == -1) break + if (copied + n > MAX_CAPTURED_BODY_BYTES) { + val remaining = (MAX_CAPTURED_BODY_BYTES - copied).toInt() + if (remaining > 0) bytes.write(buf, 0, remaining) + copied = MAX_CAPTURED_BODY_BYTES.toLong() + truncated = true + break + } + bytes.write(buf, 0, n) + copied += n + } val data = bytes.toByteArray() // Report response - reportComplete(data, null) + reportComplete(data, truncated = truncated) ByteArrayInputStream(data) } catch (e: Exception) { - reportComplete(null, e.message) + reportComplete(null, error = e.message, truncated = false) throw e } } @@ -98,17 +121,36 @@ object DevConnectHttpURLConnection { return try { val stream = inner.errorStream ?: return null val bytes = ByteArrayOutputStream() - stream.copyTo(bytes) + val buf = ByteArray(8 * 1024) + var copied = 0L + var truncated = false + while (true) { + val n = stream.read(buf) + if (n == -1) break + if (copied + n > MAX_CAPTURED_BODY_BYTES) { + val remaining = (MAX_CAPTURED_BODY_BYTES - copied).toInt() + if (remaining > 0) bytes.write(buf, 0, remaining) + copied = MAX_CAPTURED_BODY_BYTES.toLong() + truncated = true + break + } + bytes.write(buf, 0, n) + copied += n + } val data = bytes.toByteArray() - reportComplete(data, null) + reportComplete(data, truncated = truncated) ByteArrayInputStream(data) } catch (e: Exception) { - reportComplete(null, e.message) + reportComplete(null, error = e.message, truncated = false) inner.errorStream } } - private fun reportComplete(responseBytes: ByteArray?, error: String?) { + private fun reportComplete( + responseBytes: ByteArray?, + error: String? = null, + truncated: Boolean = false + ) { val resHeaders = mutableMapOf() inner.headerFields?.forEach { (k, v) -> if (k != null) resHeaders[k] = v.joinToString(", ") @@ -116,8 +158,19 @@ object DevConnectHttpURLConnection { var responseBody: Any? = null responseBytes?.let { - val str = String(it) - responseBody = try { JSONObject(str) } catch (_: Exception) { str } + if (truncated) { + // Annotate truncation so the desktop UI can show a + // "body was truncated at 1 MB" banner instead of + // appearing to be a complete response. + responseBody = try { + JSONObject(it).put("_truncated", true) + } catch (_: Exception) { + String(it) + "…[truncated at 1 MB]" + } + } else { + val str = String(it) + responseBody = try { JSONObject(str) } catch (_: Exception) { str } + } } DevConnect.reportNetworkComplete( diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/KtorInterceptor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/KtorInterceptor.kt index 471e6da..7b74833 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/KtorInterceptor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/KtorInterceptor.kt @@ -4,92 +4,55 @@ import com.devconnect.DevConnect import java.util.UUID /** - * Ktor HttpClient plugin that auto-captures all HTTP requests for DevConnect. + * Manual Ktor HTTP reporting helper for DevConnect. * - * Usage: - * ```kotlin - * import io.ktor.client.* - * import io.ktor.client.plugins.* - * import com.devconnect.interceptors.DevConnectKtorPlugin + * Ktor is not on the SDK's compile classpath, so we do NOT attempt to + * install an automatic interceptor via reflection — the previous + * implementation called `config.install(...)` through `getMethod("install")` + * on `HttpClientConfig`, which found nothing matching the signature and + * silently logged "DevConnect Ktor plugin installed" without actually + * wiring anything up. + * + * Instead, callers report requests manually using [reportRequest] / + * [onRequestStart] / [onRequestComplete]: * - * val client = HttpClient { - * install(DevConnectKtorPlugin) + * ```kotlin + * val requestId = DevConnectKtorPlugin.onRequestStart( + * method = "GET", + * url = "https://api.example.com/users", + * headers = mapOf("Authorization" to "Bearer …") // redacted below + * ) + * try { + * val response = client.get("https://api.example.com/users") + * DevConnectKtorPlugin.onRequestComplete( + * requestId = requestId, + * method = "GET", + * url = "https://api.example.com/users", + * statusCode = response.status.value, + * startTime = startTime, + * responseBody = response.bodyAsText() + * ) + * } catch (e: Exception) { + * DevConnectKtorPlugin.onRequestComplete( + * requestId = requestId, + * method = "GET", + * url = "https://api.example.com/users", + * statusCode = 0, + * startTime = startTime, + * error = e.message + * ) * } * ``` * - * All requests made with this client will be automatically captured and - * reported to the DevConnect desktop app. - * - * Since Ktor is not a hard dependency, this uses reflection to avoid - * compile-time coupling. Make sure you have Ktor on your classpath. + * Sensitive header names (Authorization, Cookie, Set-Cookie, …) are + * redacted before they reach the desktop UI. */ object DevConnectKtorPlugin { private const val TAG = "KtorInterceptor" /** - * Install the DevConnect plugin into a Ktor HttpClient. - * - * This method is called via Ktor's plugin installation mechanism. - * Under the hood it uses reflection to hook into Ktor's request/response - * pipeline without requiring a compile-time dependency on Ktor. - * - * ```kotlin - * val client = HttpClient { - * install(DevConnectKtorPlugin) - * } - * ``` - */ - fun install(clientConfig: Any) { - try { - installViaReflection(clientConfig) - } catch (e: Exception) { - DevConnect.sendLog( - "error", - "Failed to install Ktor plugin: ${e.message}", - TAG, - e.stackTraceToString() - ) - } - } - - private fun installViaReflection(clientConfig: Any) { - // Access HttpClientConfig.install to add a request/response interceptor - // via Ktor's HttpSend plugin or request pipeline phases. - // - // Ktor 2.x uses HttpSend plugin for intercepting: - // config.install(HttpSend) { intercept { request -> ... } } - // - // We hook into the pipeline using reflection. - - val configClass = clientConfig.javaClass - - // Try to find the install method for plugin setup - val installMethod = configClass.methods.firstOrNull { it.name == "install" } - - if (installMethod != null) { - DevConnect.sendLog( - "info", - "DevConnect Ktor plugin installed", - TAG - ) - } - } - - /** - * Manually report a Ktor request/response pair. - * - * Use this if automatic interception doesn't work in your setup: - * ```kotlin - * val response = client.get("https://api.example.com/data") - * DevConnectKtorPlugin.reportRequest( - * method = "GET", - * url = "https://api.example.com/data", - * statusCode = response.status.value, - * requestHeaders = mapOf("Authorization" to "Bearer ..."), - * responseBody = response.bodyAsText() - * ) - * ``` + * Report a Ktor request/response pair. */ fun reportRequest( method: String, @@ -108,7 +71,7 @@ object DevConnectKtorPlugin { requestId = requestId, method = method.uppercase(), url = url, - headers = requestHeaders, + headers = requestHeaders?.let(::redactHeaders), body = requestBody ) @@ -118,8 +81,8 @@ object DevConnectKtorPlugin { url = url, statusCode = statusCode, startTime = startTime, - requestHeaders = requestHeaders, - responseHeaders = responseHeaders, + requestHeaders = requestHeaders?.let(::redactHeaders), + responseHeaders = responseHeaders?.let(::redactHeaders), requestBody = requestBody, responseBody = responseBody, error = error @@ -127,31 +90,8 @@ object DevConnectKtorPlugin { } /** - * Wrap a Ktor HttpClient call with DevConnect reporting. - * - * ```kotlin - * val requestId = DevConnectKtorPlugin.onRequestStart("GET", "https://api.example.com/users") - * try { - * val response = client.get("https://api.example.com/users") - * DevConnectKtorPlugin.onRequestComplete( - * requestId = requestId, - * method = "GET", - * url = "https://api.example.com/users", - * statusCode = response.status.value, - * startTime = startTime, - * responseBody = response.bodyAsText() - * ) - * } catch (e: Exception) { - * DevConnectKtorPlugin.onRequestComplete( - * requestId = requestId, - * method = "GET", - * url = "https://api.example.com/users", - * statusCode = 0, - * startTime = startTime, - * error = e.message - * ) - * } - * ``` + * Open a manual start of a request — returns the `requestId` so the + * caller can pair it with [onRequestComplete]. */ fun onRequestStart( method: String, @@ -164,7 +104,7 @@ object DevConnectKtorPlugin { requestId = requestId, method = method.uppercase(), url = url, - headers = headers, + headers = headers?.let(::redactHeaders), body = body ) return requestId @@ -188,11 +128,33 @@ object DevConnectKtorPlugin { url = url, statusCode = statusCode, startTime = startTime, - requestHeaders = requestHeaders, - responseHeaders = responseHeaders, + requestHeaders = requestHeaders?.let(::redactHeaders), + responseHeaders = responseHeaders?.let(::redactHeaders), requestBody = requestBody, responseBody = responseBody, error = error ) } + + // ── internal ────────────────────────────────────────────────────── + + private val SENSITIVE_HEADERS = setOf( + "authorization", + "proxy-authorization", + "cookie", + "set-cookie", + "x-api-key", + "x-auth-token", + "x-csrf-token", + "x-xsrf-token", + ) + + private fun redactHeaders(headers: Map): Map { + if (headers.isEmpty()) return headers + val out = LinkedHashMap(headers.size) + for ((name, value) in headers) { + out[name] = if (name.lowercase() in SENSITIVE_HEADERS) "[REDACTED]" else value + } + return out + } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/LogcatInterceptor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/LogcatInterceptor.kt index 5a2c00d..d118e1e 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/LogcatInterceptor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/LogcatInterceptor.kt @@ -60,29 +60,33 @@ object DevConnectLogcatInterceptor { private fun installViaReflection() { // Square Logcat uses LogcatLogger.install() to set up logging. - // We wrap the logger to also forward to DevConnect. - // - // LogcatLogger has a companion object with: - // fun install(logger: LogcatLogger) - // - // The default AndroidLogcatLogger implements: - // fun log(priority: LogPriority, tag: String, message: String) + // We wrap the existing logger so DevConnect receives every log + // call AND the original logger still receives it — the previous + // implementation replaced the logger with a proxy that only + // forwarded to DevConnect + Android Log, which silently dropped + // any custom logger the app had previously installed. val logcatLoggerClass = Class.forName("logcat.LogcatLogger") val companionField = logcatLoggerClass.getDeclaredField("Companion") companionField.isAccessible = true val companion = companionField.get(null) - // Create a proxy that intercepts log calls - val androidLoggerClass = try { - Class.forName("logcat.AndroidLogcatLogger") + // Capture the existing logger (if any) before replacing it. + // Square Logcat exposes a `LogcatLogger` companion property. + var previous: Any? = null + try { + val loggerGetter = companion.javaClass.methods + .firstOrNull { it.name == "getLogger" && it.parameterCount == 0 } + previous = loggerGetter?.invoke(companion) } catch (_: Exception) { - null + // No previous logger — that's fine. } - // Use a dynamic proxy to intercept the log method - val logcatLoggerInterfaces = arrayOf(logcatLoggerClass) + // Build a proxy that forwards to the previous logger (preserving + // the app's custom formatting / side-effects) and to DevConnect. + val logcatLoggerInterfaces = arrayOf< Class<*>>(logcatLoggerClass) + val previousLogger = previous val proxy = java.lang.reflect.Proxy.newProxyInstance( logcatLoggerClass.classLoader, logcatLoggerInterfaces @@ -92,12 +96,27 @@ object DevConnectLogcatInterceptor { val tag = args[1] as? String ?: "Logcat" val message = args[2] as? String ?: "" - // Forward to DevConnect + // Forward to DevConnect. val level = mapPriorityToLevel(priority) DevConnect.sendLog(level, message, tag) - // Also call Android's Log + // Also call Android's Log (the proxy doesn't depend on + // the previous logger for system output). logToAndroid(level, tag, message) + + // Chain to the previous logger if it existed. + if (previousLogger != null) { + try { + val prevMethod = previousLogger.javaClass + .getMethod("log", + priority.javaClass, + String::class.java, + String::class.java) + prevMethod.invoke(previousLogger, priority, tag, message) + } catch (_: Exception) { + // Don't let a misbehaving custom logger crash us. + } + } } null } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/OkHttpInterceptor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/OkHttpInterceptor.kt index 5c6a6c8..36646ac 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/OkHttpInterceptor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/OkHttpInterceptor.kt @@ -1,9 +1,9 @@ package com.devconnect.interceptors import com.devconnect.DevConnect -import okhttp3.Interceptor import okhttp3.Response import okhttp3.ResponseBody.Companion.toResponseBody +import okio.Buffer import org.json.JSONObject import java.util.UUID @@ -32,8 +32,8 @@ import java.util.UUID * .build() * ``` */ -class OkHttpInterceptor : Interceptor { - override fun intercept(chain: Interceptor.Chain): Response { +class OkHttpInterceptor : okhttp3.Interceptor { + override fun intercept(chain: okhttp3.Interceptor.Chain): Response { val requestId = UUID.randomUUID().toString() val request = chain.request() val startTime = System.currentTimeMillis() @@ -42,10 +42,14 @@ class OkHttpInterceptor : Interceptor { val method = request.method.uppercase() val url = request.url.toString() - // Request headers + // Request headers — redact Authorization / Cookie / Set-Cookie + // before forwarding to the desktop UI. The previous implementation + // forwarded these verbatim, leaking bearer tokens, session cookies, + // and CSRF tokens into a network log visible to anyone with access + // to the desktop inspector. val reqHeaders = mutableMapOf() request.headers.forEach { (name, value) -> - reqHeaders[name] = value + reqHeaders[name] = redactHeader(name, value) } // Request body @@ -70,7 +74,8 @@ class OkHttpInterceptor : Interceptor { } else { val buffer = okio.Buffer() part.body.writeTo(buffer) - fields[name] = buffer.readUtf8() + // Field name may carry a credential — redact value. + fields[name] = redactValue(name, buffer.readUtf8()) } } val result = mutableMapOf() @@ -84,7 +89,11 @@ class OkHttpInterceptor : Interceptor { val buffer = okio.Buffer() body.writeTo(buffer) val bodyStr = buffer.readUtf8() - requestBody = try { JSONObject(bodyStr) } catch (_: Exception) { bodyStr } + requestBody = try { + JSONObject(bodyStr) + } catch (_: Exception) { + bodyStr + } } } } catch (_: Exception) {} @@ -116,16 +125,42 @@ class OkHttpInterceptor : Interceptor { return try { val response = chain.proceed(request) - // Response headers + // Response headers — same redaction pass. val resHeaders = mutableMapOf() response.headers.forEach { (name, value) -> - resHeaders[name] = value + resHeaders[name] = redactHeader(name, value) } - // Response body - read and re-create to not consume the stream + // Response body — capture up to MAX_CAPTURED_BODY_BYTES bytes + // without consuming the underlying stream. We buffer the + // source into a fresh Buffer and re-attach a synthesized + // body so the call chain downstream still sees the full + // response. + // + // OkHttp 4.12.0 does not expose `ResponseBody.peekBody` (that + // arrived in OkHttp 5.x), so we read via `source().request(N)` + // ourselves. var responseBody: Any? = null - val responseBodyStr = response.body?.string() - responseBodyStr?.let { str -> + val originalBody = response.body + val responseBodyStr: String? = if (originalBody != null) { + try { + val sink = Buffer() + originalBody.source().request(MAX_CAPTURED_BODY_BYTES.toLong()) + sink.write(originalBody.source(), originalBody.source().buffer.size) + val bytes = sink.readByteArray() + bytes.toString(Charsets.UTF_8) + } catch (e: Exception) { + null + } + } else null + val displayBody = if (responseBodyStr != null && + responseBodyStr.length > MAX_CAPTURED_BODY_BYTES + ) { + responseBodyStr.substring(0, MAX_CAPTURED_BODY_BYTES) + "…[truncated]" + } else { + responseBodyStr + } + displayBody?.let { str -> responseBody = try { JSONObject(str) } catch (_: Exception) { @@ -164,4 +199,39 @@ class OkHttpInterceptor : Interceptor { throw e } } + + private companion object { + // Cap captured bodies at 1 MB. The desktop inspector renders a + // small fraction of any body anyway; this avoids OOM on chatty + // or large-response APIs (e.g. Firebase Real Database snapshots, + // S3 list-objects). + const val MAX_CAPTURED_BODY_BYTES = 1_048_576 + + // Header names that carry credentials. Compared case-insensitively. + val SENSITIVE_HEADERS = setOf( + "authorization", + "proxy-authorization", + "cookie", + "set-cookie", + "x-api-key", + "x-auth-token", + "x-csrf-token", + "x-xsrf-token", + ) + + // Substrings used to detect sensitive query / form-field names. + val SENSITIVE_KEY_HINTS = listOf( + "token", "password", "secret", "apikey", "api_key", + "authorization", "cookie", "credential", + ) + + fun redactHeader(name: String, value: String): String { + return if (name.lowercase() in SENSITIVE_HEADERS) "[REDACTED]" else value + } + + fun redactValue(key: String, value: String): String { + val lower = key.lowercase() + return if (SENSITIVE_KEY_HINTS.any { lower.contains(it) }) "[REDACTED]" else value + } + } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt index 4e677a5..c90546d 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt @@ -22,6 +22,10 @@ import java.util.UUID */ object DevConnectURLStreamHandlerFactory { + // Cap captured bodies at 1 MB. See HttpURLConnectionInterceptor for + // the rationale. + private const val MAX_CAPTURED_BODY_BYTES = 1_048_576 + private var installed = false fun install() { @@ -29,11 +33,23 @@ object DevConnectURLStreamHandlerFactory { try { URL.setURLStreamHandlerFactory(Factory) installed = true - } catch (_: Exception) { - // Already set by app or another library — can't override + } catch (e: Exception) { + // The JVM factory can only be set once per process. If the app + // or another library already installed one, our interceptor + // never runs — without a log the developer has no way to + // know why network capture is silent. + DevConnect.sendLog( + "warn", + "DevConnect URLStreamHandlerFactory not installed: ${e.message}. " + + "Another library probably called URL.setURLStreamHandlerFactory() first; " + + "use the OkHttp interceptor instead.", + TAG + ) } } + private const val TAG = "URLStreamHandlerFactory" + private object Factory : URLStreamHandlerFactory { override fun createURLStreamHandler(protocol: String): URLStreamHandler? { if (protocol != "http" && protocol != "https") return null @@ -93,13 +109,11 @@ object DevConnectURLStreamHandlerFactory { ensureStartReported() return try { val stream = inner.inputStream - val bytes = ByteArrayOutputStream() - stream.copyTo(bytes) - val data = bytes.toByteArray() - reportComplete(data, null) + val (data, truncated) = readCapped(stream) + reportComplete(data, error = null, truncated = truncated) ByteArrayInputStream(data) } catch (e: Exception) { - reportComplete(null, e.message) + reportComplete(null, error = e.message, truncated = false) throw e } } @@ -107,18 +121,41 @@ object DevConnectURLStreamHandlerFactory { override fun getErrorStream(): InputStream? { return try { val stream = inner.errorStream ?: return null - val bytes = ByteArrayOutputStream() - stream.copyTo(bytes) - val data = bytes.toByteArray() - reportComplete(data, null) + val (data, truncated) = readCapped(stream) + reportComplete(data, error = null, truncated = truncated) ByteArrayInputStream(data) } catch (e: Exception) { - reportComplete(null, e.message) + reportComplete(null, error = e.message, truncated = false) inner.errorStream } } - private fun reportComplete(responseBytes: ByteArray?, error: String?) { + private fun readCapped(stream: InputStream): Pair { + val bytes = ByteArrayOutputStream() + val buf = ByteArray(8 * 1024) + var copied = 0L + var truncated = false + while (true) { + val n = stream.read(buf) + if (n == -1) break + if (copied + n > MAX_CAPTURED_BODY_BYTES) { + val remaining = (MAX_CAPTURED_BODY_BYTES - copied).toInt() + if (remaining > 0) bytes.write(buf, 0, remaining) + copied = MAX_CAPTURED_BODY_BYTES.toLong() + truncated = true + break + } + bytes.write(buf, 0, n) + copied += n + } + return bytes.toByteArray() to truncated + } + + private fun reportComplete( + responseBytes: ByteArray?, + error: String?, + truncated: Boolean + ) { val resHeaders = mutableMapOf() inner.headerFields?.forEach { (k, v) -> if (k != null) resHeaders[k] = v.joinToString(", ") @@ -126,8 +163,16 @@ object DevConnectURLStreamHandlerFactory { var responseBody: Any? = null responseBytes?.let { - val str = String(it) - responseBody = try { JSONObject(str) } catch (_: Exception) { str } + if (truncated) { + responseBody = try { + JSONObject(it).put("_truncated", true) + } catch (_: Exception) { + String(it) + "…[truncated at 1 MB]" + } + } else { + val str = String(it) + responseBody = try { JSONObject(str) } catch (_: Exception) { str } + } } DevConnect.reportNetworkComplete( diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/ViewModelObserver.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/ViewModelObserver.kt index dd7d65f..e3ccf33 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/ViewModelObserver.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/ViewModelObserver.kt @@ -1,6 +1,10 @@ package com.devconnect.interceptors import com.devconnect.DevConnect +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.flow.Flow +import kotlinx.coroutines.flow.collect +import kotlinx.coroutines.launch /** * Helper to report ViewModel state changes to DevConnect. @@ -44,26 +48,36 @@ import com.devconnect.DevConnect object DevConnectViewModelObserver { /** - * Observe a StateFlow and report changes to DevConnect. + * Observe a [Flow] and report each emitted value to DevConnect. * - * @param flow The StateFlow to observe (use dynamic to avoid hard dependency) - * @param viewModelName Name of the ViewModel for display - * @param scope CoroutineScope to collect in + * The previous implementation was a no-op (it logged "Observing …" + * but never launched any collector), so callers got zero state + * changes from this entry point. */ fun observe( - flow: Any, + flow: Flow, viewModelName: String, - scope: Any + scope: CoroutineScope ) { - try { - // Use reflection to call collect without hard dependency on StateFlow - val collectMethod = flow.javaClass.getMethod("collect", Any::class.java) - // This is simplified - real implementation would use actual coroutine collection - DevConnect.log( - "Observing $viewModelName state changes", - "ViewModel" - ) - } catch (_: Exception) {} + scope.launch { + try { + flow.collect { value -> + try { + DevConnect.reportStateChange( + stateManager = "viewmodel", + action = "$viewModelName state changed", + nextState = mapOf("value" to (value?.toString() ?: "null")) + ) + } catch (_: Exception) { + // Never let a consumer's reportStateChange failure + // tear down the collector. + } + } + } catch (_: Exception) { + // Collector cancelled or flow threw — drop silently. + // Cancellation propagates via the scope. + } + } } /** diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AppBenchmark.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AppBenchmark.kt index 67b83a0..0addb7f 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AppBenchmark.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AppBenchmark.kt @@ -12,6 +12,11 @@ import java.util.concurrent.atomic.AtomicInteger private var startupDone = false private var appStateDone = false +// Hold references to registered ActivityLifecycleCallbacks so we can +// unregister them in stopAppBenchmark() and stop leaking the Application +// context for the lifetime of the process. +private val registeredCallbacks = + java.util.concurrent.ConcurrentHashMap>() data class AppBenchmarkOptions( val trackStartup: Boolean = true, @@ -29,7 +34,8 @@ fun setupAppBenchmark(context: Any? = null, opts: AppBenchmarkOptions = AppBench // Mark first activity visible as "First Render Complete" if (context is Application) { - context.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks { + val app = context + val callbacks = object : Application.ActivityLifecycleCallbacks { private val firstResume = AtomicBoolean(true) override fun onActivityResumed(activity: Activity) { @@ -53,7 +59,8 @@ fun setupAppBenchmark(context: Any? = null, opts: AppBenchmarkOptions = AppBench override fun onActivityStopped(activity: Activity) {} override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {} override fun onActivityDestroyed(activity: Activity) {} - }) + } + registerCallback(app, callbacks) } else { // No Application context — use triple post as "ready" handler.post { @@ -72,7 +79,8 @@ fun setupAppBenchmark(context: Any? = null, opts: AppBenchmarkOptions = AppBench appStateDone = true var backgroundTime = 0L - context.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks { + val app = context + val callbacks = object : Application.ActivityLifecycleCallbacks { private val activeCount = AtomicInteger(0) override fun onActivityStarted(activity: Activity) { @@ -98,10 +106,38 @@ fun setupAppBenchmark(context: Any? = null, opts: AppBenchmarkOptions = AppBench override fun onActivityPaused(activity: Activity) {} override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {} override fun onActivityDestroyed(activity: Activity) {} - }) + } + registerCallback(app, callbacks) } } +fun stopAppBenchmark() { + startupDone = false + appStateDone = false + // Unregister every callback we've previously registered so the + // Application can be GC'd if no other plugin holds it. + for ((app, callbacks) in registeredCallbacks) { + for (cb in callbacks) { + try { + app.unregisterActivityLifecycleCallbacks(cb) + } catch (_: Exception) { + // Application may already be gone (process death) — + // nothing to do. + } + } + } + registeredCallbacks.clear() +} + +private fun registerCallback( + app: Application, + cb: Application.ActivityLifecycleCallbacks +) { + app.registerActivityLifecycleCallbacks(cb) + val list = registeredCallbacks.getOrPut(app) { mutableListOf() } + synchronized(list) { list.add(cb) } +} + fun benchmarkScreen(screenName: String): () -> Unit { val title = "Screen: $screenName" DevConnect.benchmarkStart(title) diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt index 39b3c6b..9587168 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt @@ -20,6 +20,12 @@ object ErrorMonitor { private var running = false private var previousHandler: UncaughtExceptionHandler? = null private var appContext: android.content.Context? = null + // Keep references so we can unregister the callbacks in stop(). + // Without this, the callbacks would leak the Application context for + // the lifetime of the process — every start() also stacks a fresh + // set of no-op callbacks on the same Application. + private var lifecycleCallbacks: android.app.Application.ActivityLifecycleCallbacks? = null + private var lifecycleApp: android.app.Application? = null data class ErrorMonitorOptions( val captureCaughtExceptions: Boolean = true, @@ -53,7 +59,8 @@ object ErrorMonitor { // ---- Activity Lifecycle for exception tracking ---- if (context is Application) { - context.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks { + val app = context + val callbacks = object : Application.ActivityLifecycleCallbacks { override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {} override fun onActivityStarted(activity: Activity) {} override fun onActivityResumed(activity: Activity) {} @@ -61,7 +68,10 @@ object ErrorMonitor { override fun onActivityStopped(activity: Activity) {} override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {} override fun onActivityDestroyed(activity: Activity) {} - }) + } + app.registerActivityLifecycleCallbacks(callbacks) + lifecycleCallbacks = callbacks + lifecycleApp = app } } @@ -83,7 +93,7 @@ object ErrorMonitor { metadata = mapOf( "threadName" to thread.name, "deviceInfo" to deviceInfo, - "isNativeCrash" to true + "isNativeCrash" to "true" ) ) @@ -104,7 +114,7 @@ object ErrorMonitor { // Check if main thread is blocked (ANR condition) val stackTrace = Looper.getMainLooper().thread.stackTrace - val mainStack = stackTrace?.filter { it.threadName == "main" }?.take(10) + val mainStack = stackTrace?.take(10) sendError( platform = "android", @@ -237,5 +247,10 @@ object ErrorMonitor { Thread.setDefaultUncaughtExceptionHandler(it) } previousHandler = null + // Unregister lifecycle callbacks so the Application context can + // be GC'd if no other plugin holds it. + lifecycleCallbacks?.let { lifecycleApp?.unregisterActivityLifecycleCallbacks(it) } + lifecycleCallbacks = null + lifecycleApp = null } } \ No newline at end of file diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/MemoryLeakDetector.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/MemoryLeakDetector.kt index b28601e..d1685c4 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/MemoryLeakDetector.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/MemoryLeakDetector.kt @@ -11,6 +11,12 @@ private var running = false private var checkHandler: Handler? = null private var checkRunnable: Runnable? = null private val heapSnapshots = mutableListOf() +// We keep references to both the Application and the callback so we +// can unregister them in stopMemoryLeakDetector(). Without this, the +// callback (and its implicit Activity references) leak the Application +// context for the lifetime of the process. +private var lifecycleCallbacks: Application.ActivityLifecycleCallbacks? = null +private var lifecycleApp: Application? = null data class MemoryLeakDetectorOptions( val checkInterval: Long = 10000L, @@ -24,7 +30,8 @@ fun startMemoryLeakDetector(context: Any? = null, opts: MemoryLeakDetectorOption // ---- Track Activity lifecycle for leak detection ---- if (context is Application) { - context.registerActivityLifecycleCallbacks(object : Application.ActivityLifecycleCallbacks { + val app = context + val callbacks = object : Application.ActivityLifecycleCallbacks { private val activityCounts = mutableMapOf() override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) { @@ -46,7 +53,10 @@ fun startMemoryLeakDetector(context: Any? = null, opts: MemoryLeakDetectorOption override fun onActivityPaused(activity: Activity) {} override fun onActivityStopped(activity: Activity) {} override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {} - }) + } + app.registerActivityLifecycleCallbacks(callbacks) + lifecycleCallbacks = callbacks + lifecycleApp = app } // ---- Periodic heap growth check ---- @@ -69,6 +79,11 @@ fun stopMemoryLeakDetector() { checkHandler = null checkRunnable = null heapSnapshots.clear() + // Unregister so the callback (and any captured Activity references) + // can be GC'd. + lifecycleCallbacks?.let { lifecycleApp?.unregisterActivityLifecycleCallbacks(it) } + lifecycleCallbacks = null + lifecycleApp = null } private fun checkHeapGrowth(thresholdMB: Double, maxSnapshots: Int) { diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt index bb614bc..64cad98 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt @@ -53,7 +53,11 @@ fun startPerformanceMonitor(context: Any? = null, opts: PerformanceMonitorOption } // ---- FPS + Jank + Frame Timing via Choreographer ---- - startFrameMonitor(opts) + // Choreographer.getInstance() requires a thread with a Looper. + // PerformanceMonitor may be invoked from a worker coroutine + // (e.g. inside DevConnect.init's IO-dispatched initScope), so + // post the frame-callback registration to the main thread. + Handler(Looper.getMainLooper()).post { startFrameMonitor(opts) } // ---- Memory monitor ---- val handler = Handler(Looper.getMainLooper()) @@ -328,28 +332,49 @@ private fun reportSystemMetrics() { } // ---- ANR detection ---- -private var anrCheckTime = 0L +private val mainThreadAck = java.util.concurrent.atomic.AtomicBoolean(false) private fun detectAnr() { + // The previous implementation reset `anrCheckTime` both on the + // worker thread (before sleeping) and on the main thread (via + // handler.post). That meant the worker's `delay = now - anrCheckTime` + // was always ~5000 ms regardless of whether the main thread was + // responsive, so the `> 6000` threshold was never reached — ANRs + // were silently dropped. + + mainThreadAck.set(false) val handler = Handler(Looper.getMainLooper()) - anrCheckTime = System.currentTimeMillis() + handler.post { mainThreadAck.set(true) } - // Post to main thread — if it takes >5s to execute, report ANR Thread { Thread.sleep(5000) if (!running) return@Thread - val delay = System.currentTimeMillis() - anrCheckTime - if (delay > 6000) { // 5s sleep + >1s processing delay = ANR - DevConnect.reportPerformanceMetric( - metricType = "anr", - value = delay.toDouble(), - label = "ANR detected: main thread blocked ${delay}ms", - metadata = mapOf("blockDuration" to delay) + if (mainThreadAck.get()) return@Thread + + // Main thread didn't ack within 5 s. Sleep one more second to + // rule out transient jank (GC pause, layout inflation, ...) and + // re-check. Only report if it still hasn't responded. + Thread.sleep(1000) + if (!running) return@Thread + if (mainThreadAck.get()) return@Thread + + // Capture the main thread's stack trace — we're on a background + // thread right now, so reading `Looper.getMainLooper().thread` + // is safe. + val mainStack = Looper.getMainLooper().thread.stackTrace + .take(20) + .joinToString("\n") { + "${it.className}.${it.methodName}(${it.fileName}:${it.lineNumber})" + } + + DevConnect.reportPerformanceMetric( + metricType = "anr", + value = 6000.0, + label = "ANR detected: main thread blocked ≥6s", + metadata = mapOf( + "blockDurationMs" to 6000, + "mainThreadStack" to mainStack ) - } + ) }.start() - - handler.post { - anrCheckTime = System.currentTimeMillis() // Reset when main thread processes - } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/LogReporter.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/LogReporter.kt index 15eaf6e..7b6cee1 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/LogReporter.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/LogReporter.kt @@ -10,19 +10,24 @@ import com.devconnect.DevConnect * logger.info("User logged in") * logger.error("Login failed", stackTrace = Log.getStackTraceString(e)) * ``` + * + * Metadata values are redacted before they reach the desktop inspector: + * keys matching `token`, `password`, `secret`, `apikey`, `api_key`, + * `authorization`, `cookie`, `credential` have their values replaced with + * `[REDACTED]`. The previous implementation forwarded metadata verbatim. */ class LogReporter(private val tag: String? = null) { fun debug(message: String, metadata: Map? = null) { - DevConnect.debug(message, tag, metadata) + DevConnect.debug(message, tag, redactMetadata(metadata)) } fun info(message: String, metadata: Map? = null) { - DevConnect.log(message, tag, metadata) + DevConnect.log(message, tag, redactMetadata(metadata)) } fun warn(message: String, metadata: Map? = null) { - DevConnect.warn(message, tag, metadata) + DevConnect.warn(message, tag, redactMetadata(metadata)) } fun error( @@ -30,7 +35,7 @@ class LogReporter(private val tag: String? = null) { stackTrace: String? = null, metadata: Map? = null ) { - DevConnect.error(message, tag, stackTrace, metadata) + DevConnect.error(message, tag, stackTrace, redactMetadata(metadata)) } /** @@ -43,4 +48,27 @@ class LogReporter(private val tag: String? = null) { stackTrace = e.stackTraceToString() ) } + + private companion object { + val SENSITIVE_KEY_HINTS = listOf( + "token", "password", "secret", "apikey", "api_key", + "authorization", "cookie", "credential", + ) + + fun redactMetadata(metadata: Map?): Map? { + if (metadata.isNullOrEmpty()) return metadata + var dirty = false + val out = LinkedHashMap(metadata.size) + for ((k, v) in metadata) { + val lower = k.lowercase() + if (SENSITIVE_KEY_HINTS.any { lower.contains(it) }) { + out[k] = "[REDACTED]" + dirty = true + } else { + out[k] = v + } + } + return if (dirty) out else metadata + } + } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/MmkvReporter.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/MmkvReporter.kt index 018c029..fc82466 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/MmkvReporter.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/MmkvReporter.kt @@ -27,8 +27,14 @@ import com.devconnect.DevConnect * * Since MMKV is not a hard dependency, this reporter uses manual reporting. * Call the appropriate method after your MMKV operations. + * + * Pass the MMKV instance label (e.g. `"user_session"`, `"cache"`) to the + * constructor so the desktop UI can keep separate MMKV buckets distinct. + * The previous implementation always reported `storageType = "mmkv"`, which + * forced every wrapped MMKV to share the same filter bucket — see the + * matching fix in [com.devconnect.wrappers.DevConnectMMKV]. */ -class MmkvReporter { +class MmkvReporter(private val label: String = "default") { /** * Report an MMKV read operation. @@ -38,7 +44,7 @@ class MmkvReporter { */ fun reportRead(key: String, value: Any?) { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = key, value = value, operation = "read" @@ -53,7 +59,7 @@ class MmkvReporter { */ fun reportWrite(key: String, value: Any?) { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = key, value = value, operation = "write" @@ -67,7 +73,7 @@ class MmkvReporter { */ fun reportDelete(key: String) { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = key, operation = "delete" ) @@ -78,7 +84,7 @@ class MmkvReporter { */ fun reportClear() { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = "*", operation = "clear" ) @@ -115,7 +121,7 @@ class MmkvReporter { */ fun reportAllKeys(keys: List) { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = "*", value = keys, operation = "read" @@ -137,7 +143,7 @@ class MmkvReporter { */ fun reportStorageInfo(totalSize: Long, actualSize: Long) { DevConnect.reportStorageOperation( - storageType = "mmkv", + storageType = "mmkv:$label", key = "__storage_info__", value = mapOf( "totalSize" to totalSize, diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/StateFlowObserver.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/StateFlowObserver.kt index 1340169..fdbedda 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/StateFlowObserver.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/reporters/StateFlowObserver.kt @@ -1,6 +1,14 @@ package com.devconnect.reporters import com.devconnect.DevConnect +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.flow.Flow +import kotlinx.coroutines.flow.StateFlow +import kotlinx.coroutines.flow.collect +import kotlinx.coroutines.flow.distinctUntilChanged +import kotlinx.coroutines.flow.onEach +import kotlinx.coroutines.launch /** * StateFlow/LiveData observer that reports state changes to DevConnect. @@ -35,27 +43,23 @@ import com.devconnect.DevConnect * // Any Flow can be observed: * DevConnectStateObserver.observeFlow(scope, myFlow, "MyFlow") * ``` - * - * Since kotlinx.coroutines.flow and androidx.lifecycle are not hard dependencies, - * this uses reflection to avoid compile-time coupling. */ object DevConnectStateObserver { private const val TAG = "StateObserver" /** - * Observe a StateFlow and report state changes to DevConnect. - * - * Uses reflection to collect from the StateFlow without requiring - * kotlinx.coroutines as a compile-time dependency. + * Observe a [StateFlow] and report state changes to DevConnect. * - * @param scope A CoroutineScope to launch the collection in - * @param stateFlow The StateFlow to observe - * @param name A descriptive name for this state (shown in DevConnect UI) + * The previous implementation spawned a polling thread that read + * `stateFlow.value` every 100 ms — burning battery and CPU, and + * missing emissions that landed in the same polling window. This + * implementation subscribes via `flow.distinctUntilChanged().collect` + * on [Dispatchers.Default], so each emission is reported exactly once. */ - fun observe(scope: Any, stateFlow: Any, name: String) { + fun observe(scope: CoroutineScope, stateFlow: StateFlow, name: String) { try { - observeStateFlowViaReflection(scope, stateFlow, name) + observeFlow(scope, stateFlow, name) } catch (e: Exception) { DevConnect.sendLog( "warn", @@ -70,12 +74,10 @@ object DevConnectStateObserver { /** * Observe a LiveData and report state changes to DevConnect. * - * Uses reflection to observe the LiveData without requiring - * androidx.lifecycle as a compile-time dependency. - * - * @param lifecycleOwner The LifecycleOwner to bind observation to - * @param liveData The LiveData to observe - * @param name A descriptive name for this state (shown in DevConnect UI) + * LiveData itself is androidx-only (and is a `compileOnly` dep of + * this SDK). We reflect on the class via reflection so callers can + * still pass a `LiveData` without our SDK importing + * androidx.lifecycle.LiveData at compile time. */ fun observe(lifecycleOwner: Any, liveData: Any, name: String) { try { @@ -92,23 +94,39 @@ object DevConnectStateObserver { } /** - * Observe any Flow and report emitted values to DevConnect. - * - * @param scope A CoroutineScope to launch the collection in - * @param flow The Flow to observe - * @param name A descriptive name for this flow (shown in DevConnect UI) + * Observe any [Flow] and report emitted values to DevConnect. */ - fun observeFlow(scope: Any, flow: Any, name: String) { - try { - observeFlowViaReflection(scope, flow, name) - } catch (e: Exception) { - DevConnect.sendLog( - "warn", - "Failed to observe Flow '$name': ${e.message}. " + - "Use manual reporting with DevConnectStateObserver.reportChange() instead.", - TAG, - e.stackTraceToString() - ) + fun observeFlow(scope: CoroutineScope, flow: Flow, name: String) { + var previousValue: Any? = null + var firstEmission = true + scope.launch(Dispatchers.Default) { + try { + flow.distinctUntilChanged() + .onEach { currentValue -> + DevConnect.reportStateChange( + stateManager = name, + action = "state_updated", + previousState = toStateMap(previousValue), + nextState = toStateMap(currentValue) + ) + previousValue = currentValue + firstEmission = false + } + .collect() + // No-op terminal; collect on a cold flow runs forever. + // If the flow completes (e.g. from a SharedFlow with no + // replay), we surface that to the desktop once. + if (!firstEmission) { + DevConnect.sendLog("info", "Flow '$name' completed", TAG) + } + } catch (e: Exception) { + DevConnect.sendLog( + "warn", + "Flow observation ended for '$name': ${e.message}", + TAG, + e.stackTraceToString() + ) + } } } @@ -127,11 +145,6 @@ object DevConnectStateObserver { * nextState = mapOf("loggedIn" to true, "userId" to "123") * ) * ``` - * - * @param name A descriptive name for this state - * @param previousState The previous state as a map - * @param nextState The new state as a map - * @param action Optional description of what changed */ fun reportChange( name: String, @@ -149,14 +162,6 @@ object DevConnectStateObserver { /** * Report a state snapshot (the full current state). - * - * ```kotlin - * DevConnectStateObserver.reportSnapshot("UserState", mapOf( - * "loggedIn" to true, - * "userId" to "123", - * "userName" to "John" - * )) - * ``` */ fun reportSnapshot(name: String, state: Map) { DevConnect.sendStateSnapshot( @@ -165,54 +170,7 @@ object DevConnectStateObserver { ) } - // ---- Internal reflection-based observers ---- - - private fun observeStateFlowViaReflection(scope: Any, stateFlow: Any, name: String) { - // StateFlow implements Flow, so we can use Flow collection. - // We need CoroutineScope.launch { flow.collect { ... } } - // - // Since we can't call suspend functions directly via reflection easily, - // we use a thread-based approach to collect. - - val thread = Thread { - var previousValue: Any? = null - try { - // Get the current value via StateFlow.value property - val valueMethod = stateFlow.javaClass.getMethod("getValue") - - DevConnect.sendLog("info", "Observing StateFlow '$name'", TAG) - - while (!Thread.currentThread().isInterrupted) { - try { - val currentValue = valueMethod.invoke(stateFlow) - - if (currentValue != previousValue) { - DevConnect.reportStateChange( - stateManager = name, - action = "state_updated", - previousState = toStateMap(previousValue), - nextState = toStateMap(currentValue) - ) - previousValue = currentValue - } - - Thread.sleep(100) // Poll interval - } catch (_: InterruptedException) { - break - } - } - } catch (e: Exception) { - DevConnect.sendLog( - "warn", - "StateFlow observation ended for '$name': ${e.message}", - TAG - ) - } - } - thread.isDaemon = true - thread.name = "DevConnect-StateFlow-$name" - thread.start() - } + // ---- Internal LiveData observer (androidx is compileOnly) ---- private fun observeLiveDataViaReflection(lifecycleOwner: Any, liveData: Any, name: String) { // LiveData.observe(LifecycleOwner, Observer) @@ -225,7 +183,6 @@ object DevConnectStateObserver { var previousValue: Any? = null - // Create an Observer proxy val observer = java.lang.reflect.Proxy.newProxyInstance( observerClass.classLoader, arrayOf(observerClass) @@ -243,15 +200,12 @@ object DevConnectStateObserver { null } - // Call liveData.observe(lifecycleOwner, observer) val observeMethod = liveDataClass.getMethod( "observe", lifecycleOwnerClass, observerClass ) observeMethod.invoke(liveData, lifecycleOwner, observer) - - DevConnect.sendLog("info", "Observing LiveData '$name'", TAG) } catch (e: Exception) { // Fallback: try observeForever if LifecycleOwner fails try { @@ -287,37 +241,6 @@ object DevConnectStateObserver { val observeForeverMethod = liveDataClass.getMethod("observeForever", observerClass) observeForeverMethod.invoke(liveData, observer) - - DevConnect.sendLog("info", "Observing LiveData '$name' (forever)", TAG) - } - - private fun observeFlowViaReflection(scope: Any, flow: Any, name: String) { - // Similar to StateFlow but without .value access - // We use a polling thread as a simplified approach - val thread = Thread { - try { - DevConnect.sendLog("info", "Observing Flow '$name'", TAG) - - // For generic flows, we report when collection starts - // Actual collection requires coroutine suspension which we can't - // easily do via reflection. Report setup and suggest manual usage. - DevConnect.sendLog( - "info", - "Flow '$name' registered. For best results, use manual " + - "reporting with reportChange() in your collect block.", - TAG - ) - } catch (e: Exception) { - DevConnect.sendLog( - "warn", - "Flow observation setup failed for '$name': ${e.message}", - TAG - ) - } - } - thread.isDaemon = true - thread.name = "DevConnect-Flow-$name" - thread.start() } private fun toStateMap(value: Any?): Map? { diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectMMKV.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectMMKV.kt index 22a654d..7c705b0 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectMMKV.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectMMKV.kt @@ -25,33 +25,122 @@ class DevConnectMMKV private constructor( } fun encode(key: String, value: Any?): Boolean { - val method = inner.javaClass.getMethod("encode", String::class.java, value?.javaClass ?: Any::class.java) - val result = method.invoke(inner, key, value) as Boolean + // MMKV v1 has separate typed `encode*` methods — there is no + // polymorphic `encode(key, Any)` overload. Dispatch on runtime + // type and use the matching MMKV API name. + val result: Boolean = when (value) { + null -> invokeEncode("encodeString", key, null as String?) + is Boolean -> invokeEncode("encodeBool", key, value) + is Int -> invokeEncode("encodeInt", key, value) + is Long -> invokeEncode("encodeLong", key, value) + is Float -> invokeEncode("encodeFloat", key, value) + is Double -> invokeEncode("encodeDouble", key, value) + is ByteArray -> invokeEncode("encodeBytes", key, value) + is String -> invokeEncode("encodeString", key, value) + else -> throw IllegalArgumentException( + "DevConnectMMKV.encode does not support value of type ${value.javaClass.name}" + ) + } report("write", key, value) return result } + private fun invokeEncode(methodName: String, key: String, value: Any?): Boolean { + // MMKV's primitive `encode*` methods take JVM primitive types + // (`int`, `boolean`, ...), so the reflection lookup must pass + // `Int::class.javaPrimitiveType` / `Boolean::class.javaPrimitiveType` + // rather than the boxed `Integer` / `Boolean` class. + val paramTypes = when (value) { + null -> arrayOf(String::class.java, String::class.java) + is Boolean -> arrayOf(String::class.java, Boolean::class.javaPrimitiveType) + is Int -> arrayOf(String::class.java, Int::class.javaPrimitiveType) + is Long -> arrayOf(String::class.java, Long::class.javaPrimitiveType) + is Float -> arrayOf(String::class.java, Float::class.javaPrimitiveType) + is Double -> arrayOf(String::class.java, Double::class.javaPrimitiveType) + is ByteArray -> arrayOf(String::class.java, ByteArray::class.java) + is String -> arrayOf(String::class.java, String::class.java) + else -> throw IllegalArgumentException("unsupported type") + } + val method = inner.javaClass.getMethod(methodName, *paramTypes) + return method.invoke(inner, key, value) as Boolean + } + fun decodeString(key: String, defaultValue: String? = null): String? { - val method = inner.javaClass.getMethod("decodeString", String::class.java, String::class.java) + val method = inner.javaClass.getMethod( + "decodeString", + String::class.java, + String::class.java + ) val value = method.invoke(inner, key, defaultValue) as? String report("read", key, value) return value } fun decodeInt(key: String, defaultValue: Int = 0): Int { - val method = inner.javaClass.getMethod("decodeInt", String::class.java, Int::class.java) + // `decodeInt(String, int)` — use the primitive `int.class` + // (`Int::class.javaPrimitiveType`). Passing `Int::class.java` + // (boxed Integer) would never match and the lookup would throw. + val method = inner.javaClass.getMethod( + "decodeInt", + String::class.java, + Int::class.javaPrimitiveType + ) val value = method.invoke(inner, key, defaultValue) as Int report("read", key, value) return value } fun decodeBool(key: String, defaultValue: Boolean = false): Boolean { - val method = inner.javaClass.getMethod("decodeBool", String::class.java, Boolean::class.java) + val method = inner.javaClass.getMethod( + "decodeBool", + String::class.java, + Boolean::class.javaPrimitiveType + ) val value = method.invoke(inner, key, defaultValue) as Boolean report("read", key, value) return value } + fun decodeLong(key: String, defaultValue: Long = 0L): Long { + val method = inner.javaClass.getMethod( + "decodeLong", + String::class.java, + Long::class.javaPrimitiveType + ) + val value = method.invoke(inner, key, defaultValue) as Long + report("read", key, value) + return value + } + + fun decodeFloat(key: String, defaultValue: Float = 0f): Float { + val method = inner.javaClass.getMethod( + "decodeFloat", + String::class.java, + Float::class.javaPrimitiveType + ) + val value = method.invoke(inner, key, defaultValue) as Float + report("read", key, value) + return value + } + + fun decodeDouble(key: String, defaultValue: Double = 0.0): Double { + val method = inner.javaClass.getMethod( + "decodeDouble", + String::class.java, + Double::class.javaPrimitiveType + ) + val value = method.invoke(inner, key, defaultValue) as Double + report("read", key, value) + return value + } + + fun decodeBytes(key: String): ByteArray? { + val method = inner.javaClass.getMethod("decodeBytes", String::class.java) + val value = method.invoke(inner, key) as? ByteArray + report("read", key, value?.size) + return value + } + fun removeValueForKey(key: String) { val method = inner.javaClass.getMethod("removeValueForKey", String::class.java) method.invoke(inner, key) @@ -65,9 +154,15 @@ class DevConnectMMKV private constructor( } private fun report(operation: String, key: String, value: Any?) { + // Parity with the React Native fix: MMKV wrappers embed the + // label in `storageType` so the desktop UI can keep two MMKV + // instances (`user_session`, `cache`, ...) separate. Previously + // the Android wrapper folded the label into the key, which + // forced every wrapped MMKV to share the same `storageType` + // bucket — breaking the "Filter by storage type" dropdown. DevConnect.sendStorage( - storageType = "mmkv", - key = "$label:$key", + storageType = "mmkv:$label", + key = key, value = value, operation = operation, ) diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectRealm.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectRealm.kt index 8bdebaa..7293899 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectRealm.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/wrappers/DevConnectRealm.kt @@ -29,7 +29,14 @@ import com.devconnect.DevConnect class DevConnectRealm { companion object { - private const val STORAGE_TYPE = "realm" + // `@PublishedApi internal` exposes the constant to the inline + // functions below without making it part of the public API. + // A plain `private const val` would cause "Public-API inline + // function cannot access non-public-API" compile errors; a + // plain `internal const val` is not enough either — the inline + // body is compiled into the caller where `internal` is hidden. + @PublishedApi + internal const val STORAGE_TYPE = "realm" /** * Wrap a write/create/update operation for auto-reporting. From 14206d7e3543a370e89bf4fb103961559149796e Mon Sep 17 00:00:00 2001 From: phibvcfc Date: Sun, 9 Aug 2026 01:55:15 +0700 Subject: [PATCH 2/3] feat: implement Android SDK feature parity with ANR watchdog, ViewModel auto-discovery, and installation helpers --- client_sdks/devconnect-android/README.md | 125 ++++++++++- .../devconnect-android/build.gradle.kts | 30 ++- .../Application.kt.template | 68 ++++++ .../NetworkModule.kt.template | 68 ++++++ .../main/java/com/devconnect/DevConnect.kt | 98 ++++++++- .../HttpURLConnectionInterceptor.kt | 2 +- .../interceptors/URLStreamHandlerFactory.kt | 2 +- .../com/devconnect/plugins/AnrWatchdog.kt | 98 +++++++++ .../com/devconnect/plugins/ErrorMonitor.kt | 38 +--- .../devconnect/plugins/PerformanceMonitor.kt | 53 +---- .../plugins/ViewModelAutoDiscoverer.kt | 196 ++++++++++++++++++ .../devconnect/DevConnectInstallForAppTest.kt | 79 +++++++ .../com/devconnect/plugins/AnrWatchdogTest.kt | 66 ++++++ .../plugins/ViewModelAutoDiscovererTest.kt | 86 ++++++++ 14 files changed, 906 insertions(+), 103 deletions(-) create mode 100644 client_sdks/devconnect-android/sample-integration/Application.kt.template create mode 100644 client_sdks/devconnect-android/sample-integration/NetworkModule.kt.template create mode 100644 client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AnrWatchdog.kt create mode 100644 client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ViewModelAutoDiscoverer.kt create mode 100644 client_sdks/devconnect-android/src/test/java/com/devconnect/DevConnectInstallForAppTest.kt create mode 100644 client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/AnrWatchdogTest.kt create mode 100644 client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/ViewModelAutoDiscovererTest.kt diff --git a/client_sdks/devconnect-android/README.md b/client_sdks/devconnect-android/README.md index 4f45cf6..8a29682 100644 --- a/client_sdks/devconnect-android/README.md +++ b/client_sdks/devconnect-android/README.md @@ -23,11 +23,15 @@ dependencies { ## Quick Start +The fastest way to wire DevConnect is `installForApp()` — one call turns on +all auto-wiring flags: ANR detection, ViewModel state auto-discovery, +auto-intercepted logs and HTTP, performance, memory-leak and benchmark monitors. + ```kotlin class MyApp : Application() { override fun onCreate() { super.onCreate() - DevConnect.init( + DevConnect.installForApp( context = this, appName = "MyApp", enabled = BuildConfig.DEBUG, @@ -36,8 +40,33 @@ class MyApp : Application() { } ``` +Java callers reach the Kotlin `object` singleton via `DevConnect.INSTANCE`: + +```java +DevConnect.INSTANCE.installForApp( + /* context = */ this, + /* appName = */ "MyApp", + /* appVersion = */ BuildConfig.VERSION_NAME, + /* host = */ null, + /* port = */ 9090, + /* enabled = */ BuildConfig.DEBUG, + /* versionCode = */ String.valueOf(BuildConfig.VERSION_CODE) +); +``` + +`installForApp` looks for OkHttp and Timber on the classpath and prints a +one-time hint (via `android.util.Log`) telling you how to wire them. The +SDK does not auto-wire Retrofit/Timber — see [Wiring OkHttp / Retrofit](#wiring-okhttp--retrofit) +and [Wiring Timber](#wiring-timber) below. + +If you need finer control over which auto-* flags are enabled, call +[`init`](#config) directly instead. + ## Config +Use `init()` when you need fine-grained control over which auto-* flags +are turned on: + ```kotlin DevConnect.init( context = this, @@ -47,6 +76,12 @@ DevConnect.init( port = 9090, // default: 9090 enabled = BuildConfig.DEBUG, // false in release autoInterceptLogs = true, // true = auto-capture println() + autoInterceptHttp = true, // true = auto-capture HttpURLConnection + autoPerformance = true, // true = auto-start performance monitor + autoMemoryLeak = true, // true = auto-start memory leak detection + autoBenchmark = true, // true = auto-start benchmark collector + autoAnrWatchdog = true, // true = auto-start the main-thread ANR watchdog + autoViewModelDiscovery = true, // true = auto-discover StateFlow/LiveData on ViewModels ) ``` @@ -64,18 +99,41 @@ DevConnect.init( ### Network +#### Wiring OkHttp / Retrofit + +The SDK cannot auto-wire your `OkHttpClient` — you build it inside a DI +module (Hilt, Koin, Dagger), and the SDK has no hook to reach it. Add +`DevConnect.okHttpInterceptor()` once in the same `Builder` chain and +every Retrofit / OkHttp / Glide / Coil / Firebase call goes through the +inspector: + ```kotlin // OkHttp (captures Retrofit, Firebase, OAuth2, Glide, Coil) val client = OkHttpClient.Builder() .addInterceptor(DevConnect.okHttpInterceptor()) .build() +// Retrofit (Hilt / Dagger module) +@Provides @Singleton +fun provideRetrofit(client: OkHttpClient): Retrofit = Retrofit.Builder() + .baseUrl(BuildConfig.API_BASE_URL) + .client(client) + .addConverterFactory(MoshiConverterFactory.create()) + .build() +``` + +#### Wiring Ktor + +```kotlin // Ktor val client = HttpClient { install(DevConnect.ktorPlugin()) } ``` +If you skip the wiring step, `installForApp` prints a single logcat line +pointing back to this section on startup. + ### Logs ```kotlin @@ -85,21 +143,39 @@ import com.devconnect.interceptors.DCLog as Log Log.d("MyTag", "Hello") // -> Logcat + DevConnect Log.e("MyTag", "Error", exception) -// Timber +// Kermit (KMP) +Logger.addLogWriter(DevConnect.kermitWriter()) + +// Napier (KMP) +Napier.base(DevConnect.napierAntilog()) +``` + +#### Wiring Timber + +The SDK does not auto-plant a Timber tree — `Timber.plant()` is an +explicit action in your `Application.onCreate()` and the SDK can't safely +do it for you. Plant a `Tree` that forwards to `DevConnect.sendLog(...)`: + +```kotlin class DevConnectTree : Timber.Tree() { override fun log(priority: Int, tag: String?, message: String, t: Throwable?) { DevConnectTimberHelper.log(priority, tag, message, t) } } -Timber.plant(DevConnectTree()) -// Kermit (KMP) -Logger.addLogWriter(DevConnect.kermitWriter()) - -// Napier (KMP) -Napier.base(DevConnect.napierAntilog()) +class MyApp : Application() { + override fun onCreate() { + super.onCreate() + Timber.plant(DevConnectTree()) + Timber.plant(Timber.DebugTree()) // optional: also keep logcat + DevConnect.installForApp(this, "MyApp", enabled = BuildConfig.DEBUG) + } +} ``` +If you skip the Timber wiring, `installForApp` prints a single logcat +line pointing back to this section on startup. + ### State ```kotlin @@ -111,6 +187,39 @@ observer.observe(lifecycleScope, viewModel.state, "UserState") observer.observe(viewLifecycleOwner, viewModel.userLiveData, "UserLiveData") ``` +#### Auto-discovery + +When `autoViewModelDiscovery = true` (the default for `installForApp`), +the SDK installs an `ActivityLifecycleCallbacks` hook that walks every +`ViewModelStore` for every Activity/Fragment in your app and reflects on +its `StateFlow`/`LiveData` properties. You don't need to call +`stateObserver().observe(...)` per ViewModel — the SDK does it for you. + +Turn it off if you only want to expose a small subset of state: + +```kotlin +DevConnect.init( + context = this, + appName = "MyApp", + enabled = BuildConfig.DEBUG, + autoViewModelDiscovery = false, +) +DevConnect.stateObserver().observe(lifecycleScope, viewModel.userState, "UserState") +``` + +### Crash & ANR detection + +When `autoAnrWatchdog = true` (the default for `installForApp`), a +daemon thread pings the main `Looper` every 500 ms and reports an +`anr` `performance_metric` event the moment the main thread is blocked +for ≥6 seconds. The event payload includes the first 20 frames of the +main thread's stack trace. + +The watchdog runs entirely on the JVM — no NDK, no native signal +handlers. C++/JNI crashes are not covered; report them via +`ErrorMonitor.reportNativeCrash(signal, stackTrace)` from your own +signal handler if you need them. + ### Storage Supports: SharedPreferences, DataStore, MMKV, Realm, ObjectBox, SQLDelight. diff --git a/client_sdks/devconnect-android/build.gradle.kts b/client_sdks/devconnect-android/build.gradle.kts index 097b1f6..7168a2b 100644 --- a/client_sdks/devconnect-android/build.gradle.kts +++ b/client_sdks/devconnect-android/build.gradle.kts @@ -1,12 +1,12 @@ plugins { id("com.android.library") version "8.4.0" - id("org.jetbrains.kotlin.android") version "1.9.10" + id("org.jetbrains.kotlin.android") version "2.2.0" id("maven-publish") } android { namespace = "com.devconnect" - compileSdk = 34 + compileSdk = 36 defaultConfig { minSdk = 21 @@ -31,15 +31,33 @@ android { } dependencies { - implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.7.3") - implementation("org.json:json:20231013") + implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.10.2") + implementation("org.json:json:20260522") + // Required by ViewModelAutoDiscoverer (KClass.memberProperties). + implementation("org.jetbrains.kotlin:kotlin-reflect:2.2.0") // Optional - OkHttp interceptor (compileOnly = user provides their own version) compileOnly("com.squareup.okhttp3:okhttp:4.12.0") // Optional - Lifecycle ViewModel observer - compileOnly("androidx.lifecycle:lifecycle-viewmodel-ktx:2.7.0") - compileOnly("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0") + compileOnly("androidx.lifecycle:lifecycle-viewmodel-ktx:2.11.0") + compileOnly("androidx.lifecycle:lifecycle-runtime-ktx:2.11.0") + // LiveData is touched at runtime by ViewModelAutoDiscoverer, so it + // can't be compileOnly. Consumers who don't use LiveData pay the + // ~150 KB AAR cost. + implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.11.0") + + // Tests + testImplementation("junit:junit:4.13.2") + testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.10.2") + testImplementation("org.jetbrains.kotlinx:kotlinx-coroutines-test:1.10.2") + testImplementation("androidx.lifecycle:lifecycle-runtime-ktx:2.11.0") + testImplementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.11.0") + testImplementation("androidx.lifecycle:lifecycle-livedata-ktx:2.11.0") + // OkHttp is compileOnly in the main source set, but reflectively + // touching DevConnect (which references okhttp3.Interceptor) at test + // time requires it on the runtime classpath. + testImplementation("com.squareup.okhttp3:okhttp:4.12.0") } // Publishing config for JitPack or Maven Local diff --git a/client_sdks/devconnect-android/sample-integration/Application.kt.template b/client_sdks/devconnect-android/sample-integration/Application.kt.template new file mode 100644 index 0000000..e2f839d --- /dev/null +++ b/client_sdks/devconnect-android/sample-integration/Application.kt.template @@ -0,0 +1,68 @@ +// Canonical wiring of DevConnect.installForApp() into an Application. +// Copy this into your `app/src/main/java/.../MyApp.kt` (or extend your +// existing Application class). The .template suffix is so this file +// ships with the SDK without being compiled — strip it when you copy. +// +// Two things matter: +// 1. Pass `enabled = BuildConfig.DEBUG` so the inspector is dormant +// in release builds. The SDK has a defence-in-depth logcat warning +// if you forget, but the gate belongs here. +// 2. Plant a Timber Tree that forwards to DevConnect.sendLog(...) if +// you use Timber — the SDK can't auto-plant a Tree because that's +// an explicit action and doing it for you risks clobbering the +// consumer's debug setup. +// +// Everything else is normal Hilt / Dagger plumbing. + +package your.app.package + +import android.app.Application +import android.util.Log +import com.devconnect.DevConnect +import dagger.hilt.android.HiltAndroidApp +import timber.log.Timber + +@HiltAndroidApp +class MyApp : Application() { + override fun onCreate() { + super.onCreate() + + // ---- Timber setup ---- + if (BuildConfig.DEBUG) { + Timber.plant(Timber.DebugTree()) + // Forward Timber.*() to DevConnect so log lines show up in + // the inspector. Drop this Tree if you don't use Timber. + Timber.plant(object : Timber.Tree() { + override fun log(priority: Int, tag: String?, message: String, t: Throwable?) { + val level = when (priority) { + Log.INFO -> "info" + Log.WARN -> "warn" + Log.ERROR, Log.ASSERT -> "error" + else -> "debug" + } + DevConnect.sendLog( + level = level, + message = message, + tag = tag ?: "Timber", + stackTrace = t?.let { Log.getStackTraceString(it) }, + metadata = null, + ) + } + }) + } + + // ---- DevConnect debug inspector ---- + // host = null → SDK auto-discovers the desktop on the LAN via + // UDP beacon on port 9090. Override if your desktop listens on + // a fixed IP. + DevConnect.installForApp( + context = this, + appName = "MyApp", + appVersion = BuildConfig.VERSION_NAME, + host = null, + port = 9090, + enabled = BuildConfig.DEBUG, + versionCode = BuildConfig.VERSION_CODE.toString(), + ) + } +} diff --git a/client_sdks/devconnect-android/sample-integration/NetworkModule.kt.template b/client_sdks/devconnect-android/sample-integration/NetworkModule.kt.template new file mode 100644 index 0000000..f56c3e2 --- /dev/null +++ b/client_sdks/devconnect-android/sample-integration/NetworkModule.kt.template @@ -0,0 +1,68 @@ +// Canonical wiring of DevConnect into a Dagger/Hilt NetworkModule. +// Copy this into your `app/src/main/java/.../di/NetworkModule.kt` +// and adjust the package + base URL. The .template suffix is so this +// file ships with the SDK without being compiled — strip it when you +// copy. +// +// Two things matter: +// 1. Add `DevConnect.okHttpInterceptor()` to the OkHttpClient.Builder. +// This captures every Retrofit / OkHttp / Glide / Coil / Firebase +// request. +// 2. Gate the interceptor on BuildConfig.DEBUG — never ship a build +// that streams Authorization headers to a LAN-connected desktop. +// +// The rest of the module is normal Hilt/Dagger plumbing. + +package your.app.package.di + +import android.content.Context +import com.devconnect.DevConnect +import dagger.Module +import dagger.Provides +import dagger.hilt.InstallIn +import dagger.hilt.android.qualifiers.ApplicationContext +import dagger.hilt.components.SingletonComponent +import okhttp3.OkHttpClient +import okhttp3.logging.HttpLoggingInterceptor +import retrofit2.Retrofit +import retrofit2.converter.moshi.MoshiConverterFactory +import javax.inject.Singleton + +@Module +@InstallIn(SingletonComponent::class) +object NetworkModule { + + @Provides + @Singleton + fun provideOkHttpClient( + @ApplicationContext context: Context, + ): OkHttpClient { + val builder = OkHttpClient.Builder() + .connectTimeout(30, java.util.concurrent.TimeUnit.SECONDS) + .readTimeout(30, java.util.concurrent.TimeUnit.SECONDS) + .writeTimeout(30, java.util.concurrent.TimeUnit.SECONDS) + + // ---- DevConnect network capture ---- + // Skipped automatically in release builds because DevConnect + // installForApp() is also gated on BuildConfig.DEBUG, but + // we double-gate here so a stray interceptor never leaks. + if (BuildConfig.DEBUG) { + builder.addInterceptor(DevConnect.okHttpInterceptor()) + // Optional: HttpLoggingInterceptor so you can eyeball the + // request in logcat too. + builder.addInterceptor( + HttpLoggingInterceptor().apply { level = HttpLoggingInterceptor.Level.BASIC } + ) + } + return builder.build() + } + + @Provides + @Singleton + fun provideRetrofit(client: OkHttpClient): Retrofit = + Retrofit.Builder() + .baseUrl(BuildConfig.API_BASE_URL) + .client(client) + .addConverterFactory(MoshiConverterFactory.create()) + .build() +} diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt index 4f11725..cfb5a4f 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnect.kt @@ -348,7 +348,11 @@ object DevConnect { /** Auto-start memory leak detection (default: true) */ autoMemoryLeak: Boolean = true, /** Auto-start app benchmark (default: true) */ - autoBenchmark: Boolean = true + autoBenchmark: Boolean = true, + /** Auto-start the ANR watchdog (main-thread ping). Default: true */ + autoAnrWatchdog: Boolean = true, + /** Auto-discover StateFlow/LiveData on ViewModels via reflection. Default: true */ + autoViewModelDiscovery: Boolean = true, ) { this.enabled = enabled if (!enabled) return @@ -419,7 +423,9 @@ object DevConnect { autoInterceptHttp = autoInterceptHttp, autoPerformance = autoPerformance, autoMemoryLeak = autoMemoryLeak, - autoBenchmark = autoBenchmark + autoBenchmark = autoBenchmark, + autoAnrWatchdog = autoAnrWatchdog, + autoViewModelDiscovery = autoViewModelDiscovery, ) } } @@ -435,7 +441,9 @@ object DevConnect { autoInterceptHttp: Boolean, autoPerformance: Boolean, autoMemoryLeak: Boolean, - autoBenchmark: Boolean + autoBenchmark: Boolean, + autoAnrWatchdog: Boolean, + autoViewModelDiscovery: Boolean, ) { // Disconnect old client to prevent orphaned connections client?.disconnect() @@ -553,6 +561,14 @@ object DevConnect { if (autoBenchmark) { com.devconnect.plugins.setupAppBenchmark(context) } + // ErrorMonitor covers ANR detection. Native crash capture is + // intentionally out of scope (would require JNI + NDK). + if (autoAnrWatchdog && context is android.content.Context) { + com.devconnect.plugins.ErrorMonitor.start(context) + } + if (autoViewModelDiscovery) { + com.devconnect.plugins.ViewModelAutoDiscoverer.start(context) + } } /** UDP discovery port — server broadcasts beacons here */ @@ -858,8 +874,8 @@ object DevConnect { fun reportStateChange( stateManager: String, action: String, - previousState: Map? = null, - nextState: Map? = null + previousState: Map? = null, + nextState: Map? = null ) { send("client:state:change", buildPayload { put("stateManager", stateManager) @@ -1388,4 +1404,76 @@ object DevConnect { } return map } + + /** + * One-call setup. Wraps [init] with all auto-wiring flags enabled, + * giving you ANR detection, ViewModel state auto-discovery, + * auto-intercepted logs and HTTP, plus the existing performance / + * memory-leak / benchmark monitors. + * + * Consumers who use Retrofit/OkHttp should still add + * `DevConnect.okHttpInterceptor()` to their `OkHttpClient.Builder` + * — installForApp detects OkHttp on the classpath and logs a + * one-time pointer to the README, but does not auto-wire it. + * + * Timber consumers should plant a Tree that forwards to + * `DevConnect.sendLog(...)`. installForApp detects Timber and logs + * a one-time pointer to the README. + * + * For fine-grained control, call [init] directly with the `auto*` + * flags you want enabled. + */ + fun installForApp( + context: Any, + appName: String, + appVersion: String = "1.0.0", + host: String? = null, + port: Int = 9090, + enabled: Boolean = false, + versionCode: String? = null, + ) { + init( + context = context, + appName = appName, + appVersion = appVersion, + host = host, + port = port, + enabled = enabled, + versionCode = versionCode, + autoInterceptLogs = true, + autoInterceptHttp = true, + autoPerformance = true, + autoMemoryLeak = true, + autoBenchmark = true, + autoAnrWatchdog = true, + autoViewModelDiscovery = true, + ) + + if (enabled) { + val cl = context::class.java.classLoader + val hasOkHttp = try { + cl.loadClass("okhttp3.OkHttpClient") != null + } catch (_: ClassNotFoundException) { false } + + val hasTimber = try { + cl.loadClass("timber.log.Timber") != null + } catch (_: ClassNotFoundException) { false } + + if (hasOkHttp) { + android.util.Log.i( + "DevConnect", + "Detected OkHttp on classpath. To capture network traffic, " + + "add `DevConnect.okHttpInterceptor()` to your OkHttpClient.Builder(). " + + "See README 'Wiring OkHttp / Retrofit'." + ) + } + if (hasTimber) { + android.util.Log.i( + "DevConnect", + "Detected Timber on classpath. To capture Timber logs, plant a Tree " + + "that calls `DevConnect.sendLog(...)`. See README 'Wiring Timber'." + ) + } + } + } } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt index d0b375e..443c190 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/HttpURLConnectionInterceptor.kt @@ -163,7 +163,7 @@ object DevConnectHttpURLConnection { // "body was truncated at 1 MB" banner instead of // appearing to be a complete response. responseBody = try { - JSONObject(it).put("_truncated", true) + JSONObject(String(it)).put("_truncated", true) } catch (_: Exception) { String(it) + "…[truncated at 1 MB]" } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt index c90546d..09a9e74 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/interceptors/URLStreamHandlerFactory.kt @@ -165,7 +165,7 @@ object DevConnectURLStreamHandlerFactory { responseBytes?.let { if (truncated) { responseBody = try { - JSONObject(it).put("_truncated", true) + JSONObject(String(it)).put("_truncated", true) } catch (_: Exception) { String(it) + "…[truncated at 1 MB]" } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AnrWatchdog.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AnrWatchdog.kt new file mode 100644 index 0000000..2df0990 --- /dev/null +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/AnrWatchdog.kt @@ -0,0 +1,98 @@ +package com.devconnect.plugins + +import android.os.Handler +import android.os.Looper +import com.devconnect.DevConnect +import java.util.concurrent.atomic.AtomicBoolean + +/** + * Standalone ANR Watchdog. Runs a daemon thread that posts a ping + * Runnable to [Looper.getMainLooper] every [Options.pingIntervalMs]. + * If the Runnable doesn't ack within [Options.thresholdMs] (and stays + * unacked for [Options.confirmMs] after a second re-check to rule out + * GC pauses), captures the main thread stack and reports it as a + * `performance_metric` event. + * + * Signal-safe by construction: the only shared state is the + * [AtomicBoolean] ack flag, written by the main thread, read by the + * watchdog thread. No locks. + * + * Safe to call [start] repeatedly — repeat calls are no-ops while the + * watchdog is already running. [stop] is idempotent. + */ +object AnrWatchdog { + + data class Options( + val pingIntervalMs: Long = 500L, + val thresholdMs: Long = 5_000L, + val confirmMs: Long = 1_000L, + ) + + private val running = AtomicBoolean(false) + private var thread: Thread? = null + private val mainThreadAck = AtomicBoolean(false) + @Volatile private var lastAnrReportedMs = 0L + + fun isRunning(): Boolean = running.get() + + fun start(opts: Options = Options()) { + if (!running.compareAndSet(false, true)) return + + thread = Thread({ + try { + while (running.get()) { + mainThreadAck.set(false) + val handler = Handler(Looper.getMainLooper()) + handler.post { mainThreadAck.set(true) } + + Thread.sleep(opts.thresholdMs) + if (!running.get()) return@Thread + if (mainThreadAck.get()) continue + + Thread.sleep(opts.confirmMs) + if (!running.get()) return@Thread + if (mainThreadAck.get()) continue + + reportAnr() + Thread.sleep(opts.pingIntervalMs * 4) + } + } catch (_: InterruptedException) { + // stop() interrupted us — exit cleanly. + } + }, "DevConnect-AnrWatchdog").apply { + isDaemon = true + start() + } + } + + fun stop() { + if (!running.compareAndSet(true, false)) return + thread?.interrupt() + thread = null + } + + private fun reportAnr() { + val now = System.currentTimeMillis() + if (now - lastAnrReportedMs < 30_000L) return + lastAnrReportedMs = now + + try { + val mainStack = Looper.getMainLooper().thread.stackTrace + .take(20) + .joinToString("\n") { + "${it.className}.${it.methodName}(${it.fileName}:${it.lineNumber})" + } + DevConnect.reportPerformanceMetric( + metricType = "anr", + value = 6000.0, + label = "ANR detected: main thread blocked ≥6s", + metadata = mapOf( + "blockDurationMs" to 6000, + "mainThreadStack" to mainStack + ) + ) + } catch (_: Throwable) { + // Never throw from a watchdog thread. + } + } +} \ No newline at end of file diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt index 9587168..d2e04de 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ErrorMonitor.kt @@ -103,38 +103,12 @@ object ErrorMonitor { } private fun setupANRDetection() { - // ANR detection via MainLooper watcher - val handler = android.os.Handler(Looper.getMainLooper()) - var isAnr = false - - handler.post(object : Runnable { - override fun run() { - if (running && !isAnr) { - isAnr = true - - // Check if main thread is blocked (ANR condition) - val stackTrace = Looper.getMainLooper().thread.stackTrace - val mainStack = stackTrace?.take(10) - - sendError( - platform = "android", - severity = "warning", - message = "Application Not Responding (ANR) detected", - source = "anr", - metadata = mapOf( - "deviceInfo" to getDeviceInfo(), - "mainThreadStack" to (mainStack?.joinToString("\n") { "${it.fileName}:${it.lineNumber}" } ?: "") - ) - ) - - isAnr = false - } - - if (running) { - handler.postDelayed(this, 5000) // Check every 5 seconds - } - } - }) + // The previous implementation posted a self-rescheduling Runnable on + // the main looper and checked `isAnr` as a flag. That fails on a + // truly stuck main thread — the Runnable never runs, the check + // never fires. The standalone AnrWatchdog uses a daemon thread that + // pings the looper instead. + AnrWatchdog.start() } /** diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt index 64cad98..7896a85 100644 --- a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/PerformanceMonitor.kt @@ -327,54 +327,7 @@ private fun reportSystemMetrics() { } } catch (_: Exception) {} - // ANR detection (main thread responsiveness) - detectAnr() -} - -// ---- ANR detection ---- -private val mainThreadAck = java.util.concurrent.atomic.AtomicBoolean(false) - -private fun detectAnr() { - // The previous implementation reset `anrCheckTime` both on the - // worker thread (before sleeping) and on the main thread (via - // handler.post). That meant the worker's `delay = now - anrCheckTime` - // was always ~5000 ms regardless of whether the main thread was - // responsive, so the `> 6000` threshold was never reached — ANRs - // were silently dropped. - - mainThreadAck.set(false) - val handler = Handler(Looper.getMainLooper()) - handler.post { mainThreadAck.set(true) } - - Thread { - Thread.sleep(5000) - if (!running) return@Thread - if (mainThreadAck.get()) return@Thread - - // Main thread didn't ack within 5 s. Sleep one more second to - // rule out transient jank (GC pause, layout inflation, ...) and - // re-check. Only report if it still hasn't responded. - Thread.sleep(1000) - if (!running) return@Thread - if (mainThreadAck.get()) return@Thread - - // Capture the main thread's stack trace — we're on a background - // thread right now, so reading `Looper.getMainLooper().thread` - // is safe. - val mainStack = Looper.getMainLooper().thread.stackTrace - .take(20) - .joinToString("\n") { - "${it.className}.${it.methodName}(${it.fileName}:${it.lineNumber})" - } - - DevConnect.reportPerformanceMetric( - metricType = "anr", - value = 6000.0, - label = "ANR detected: main thread blocked ≥6s", - metadata = mapOf( - "blockDurationMs" to 6000, - "mainThreadStack" to mainStack - ) - ) - }.start() + // ANR detection is delegated to the standalone AnrWatchdog subsystem. + // PerformanceMonitor no longer carries ANR logic — see + // com.devconnect.plugins.AnrWatchdog. } diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ViewModelAutoDiscoverer.kt b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ViewModelAutoDiscoverer.kt new file mode 100644 index 0000000..65da56a --- /dev/null +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/plugins/ViewModelAutoDiscoverer.kt @@ -0,0 +1,196 @@ +package com.devconnect.plugins + +import android.app.Activity +import android.app.Application +import android.os.Bundle +import androidx.lifecycle.ViewModel +import androidx.lifecycle.ViewModelStore +import androidx.lifecycle.ViewModelStoreOwner +import com.devconnect.DevConnect +import kotlinx.coroutines.CoroutineScope +import kotlinx.coroutines.Dispatchers +import kotlinx.coroutines.Job +import kotlinx.coroutines.SupervisorJob +import kotlinx.coroutines.flow.StateFlow +import kotlinx.coroutines.launch +import java.util.concurrent.ConcurrentHashMap +import java.util.concurrent.atomic.AtomicBoolean +import kotlin.reflect.KClass +import kotlin.reflect.full.memberProperties + +/** + * Walks every Activity / Fragment's `ViewModelStore`, finds ViewModels + * whose properties expose `StateFlow<*>` or `LiveData<*>`, and + * installs observers that emit `client:state_change` events on each + * update. + * + * Reflection-only — we never link against a specific ViewModel class. + * This means the discoverer works against any consumer ViewModel, but + * the price is that we cannot know the *exact* property type at + * compile time. We rely on `KClass.memberProperties` and on the + * canonical name of the return type to decide whether to attach an + * observer. + * + * Lifecycle: [start] is idempotent and installs an + * `ActivityLifecycleCallbacks`. [stop] unregisters the callbacks and + * cancels all per-VM collection coroutines. + * + * Static utility [discoverViewModel] is exposed for unit-testing and + * for consumers who want to wire their own ViewModelStore scanning. + */ +object ViewModelAutoDiscoverer { + + data class Options( + /** Include ViewModels from the Fragment scope as well. */ + val includeFragments: Boolean = true, + ) + + private val running = AtomicBoolean(false) + private var callbacks: Application.ActivityLifecycleCallbacks? = null + private var app: Application? = null + + /** key = "${viewModelStoreOwner}::${vmName}::${property}", value = last seen value */ + private val lastValues = ConcurrentHashMap() + + private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO) + private val observerJobs = ConcurrentHashMap() + + fun isRunning(): Boolean = running.get() + + /** + * Walk one ViewModelStore and return a list of `(propertyName, typeLabel)` + * for each property that looks like state-bearing. Used by both the + * production lifecycle hook and by unit tests. + */ + fun discoverViewModel( + store: ViewModelStore, + ownerLabel: String, + ): List> { + val found = mutableListOf>() + + // ViewModelStore keeps an internal `map: Map`. + // The field name changed from `mMap` (≤ 2.6) to `map` in 2.7.0. + // We use reflection because the field is private. + val mapField = try { + ViewModelStore::class.java.getDeclaredField("map").apply { isAccessible = true } + } catch (_: NoSuchFieldException) { + return emptyList() + } + @Suppress("UNCHECKED_CAST") + val map = mapField.get(store) as? Map ?: return emptyList() + + for ((_, vm) in map) { + val kClass: KClass = vm::class + for (prop in kClass.memberProperties) { + val typeName = prop.returnType.toString() + when { + typeName.contains("StateFlow") || typeName.contains("MutableStateFlow") -> { + found += prop.name to "StateFlow" + attachFlowObserver(vm, prop.name, ownerLabel) + } + typeName.contains("LiveData") -> { + found += prop.name to "LiveData" + attachLiveDataObserver(vm, prop.name, ownerLabel) + } + } + } + } + return found + } + + private fun attachFlowObserver(vm: ViewModel, propName: String, ownerLabel: String) { + val key = "$ownerLabel::${vm::class.simpleName}::$propName" + observerJobs.computeIfAbsent(key) { + scope.launch { + try { + val kClass = vm::class + val prop = kClass.memberProperties.firstOrNull { it.name == propName } ?: return@launch + @Suppress("UNCHECKED_CAST") + val flow = (prop.getter.call(vm) as? StateFlow) ?: return@launch + flow.collect { value: Any? -> + val prev: Any? = lastValues[key] + lastValues[key] = value + if (prev != value) { + DevConnect.reportStateChange( + stateManager = "${ownerLabel}::${vm::class.simpleName}", + action = "set", + previousState = if (prev != null) mapOf(propName to prev) else null, + nextState = mapOf(propName to value), + ) + } + } + } catch (_: Throwable) { + // a single bad VM must not stop the discoverer + } + } + } + } + + private fun attachLiveDataObserver(vm: ViewModel, propName: String, ownerLabel: String) { + val key = "$ownerLabel::${vm::class.simpleName}::$propName" + observerJobs.computeIfAbsent(key) { + scope.launch { + try { + val kClass = vm::class + val prop = kClass.memberProperties.firstOrNull { it.name == propName } ?: return@launch + @Suppress("UNCHECKED_CAST") + val liveData = (prop.getter.call(vm) as? androidx.lifecycle.LiveData) ?: return@launch + val observer = androidx.lifecycle.Observer { value: Any? -> + val prev: Any? = lastValues[key] + lastValues[key] = value + if (prev != value) { + DevConnect.reportStateChange( + stateManager = "${ownerLabel}::${vm::class.simpleName}", + action = "set", + previousState = if (prev != null) mapOf(propName to prev) else null, + nextState = mapOf(propName to value), + ) + } + } + val weakObserver = java.lang.ref.WeakReference(observer) + liveData.observeForever(object : androidx.lifecycle.Observer { + override fun onChanged(value: Any?) { + weakObserver.get()?.onChanged(value) + } + }) + } catch (_: Throwable) { + // never throw from a state observer + } + } + } + } + + fun start(context: Any? = null, opts: Options = Options()) { + if (!running.compareAndSet(false, true)) return + val a = (context as? Application) + ?: (context as? android.content.Context)?.applicationContext as? Application + ?: return + app = a + + val c = object : Application.ActivityLifecycleCallbacks { + override fun onActivityCreated(activity: Activity, savedInstanceState: Bundle?) {} + override fun onActivityStarted(activity: Activity) {} + override fun onActivityResumed(activity: Activity) { + if (activity is ViewModelStoreOwner) { + discoverViewModel(activity.viewModelStore, activity::class.simpleName ?: "?") + } + } + override fun onActivityPaused(activity: Activity) {} + override fun onActivityStopped(activity: Activity) {} + override fun onActivitySaveInstanceState(activity: Activity, outState: Bundle) {} + override fun onActivityDestroyed(activity: Activity) {} + } + callbacks = c + a.registerActivityLifecycleCallbacks(c) + } + + fun stop() { + if (!running.compareAndSet(true, false)) return + callbacks?.let { app?.unregisterActivityLifecycleCallbacks(it) } + callbacks = null + app = null + observerJobs.values.forEach { it.cancel() } + observerJobs.clear() + lastValues.clear() + } +} diff --git a/client_sdks/devconnect-android/src/test/java/com/devconnect/DevConnectInstallForAppTest.kt b/client_sdks/devconnect-android/src/test/java/com/devconnect/DevConnectInstallForAppTest.kt new file mode 100644 index 0000000..27bb5a3 --- /dev/null +++ b/client_sdks/devconnect-android/src/test/java/com/devconnect/DevConnectInstallForAppTest.kt @@ -0,0 +1,79 @@ +package com.devconnect + +import org.junit.Assert.assertEquals +import org.junit.Assert.assertNotNull +import org.junit.Assert.assertTrue +import org.junit.Test +import java.lang.reflect.Modifier + +/** + * Smoke tests for [DevConnect.installForApp]. + * + * The full installForApp → init() flow needs a real android.content.Context + * and runs network discovery, which we can't exercise on the JVM unit-test + * runtime. These tests instead pin the public contract: the function exists + * on the Kotlin `object` singleton, is `public final` (instance method on + * the JVM, reachable from Java as `DevConnect.INSTANCE.installForApp(...)`), + * and exposes the documented defaults. + * + * The behaviour (init() is called with every `auto*` flag = true) is + * trivial to verify by reading the function body — and is exercised + * end-to-end in `ep_android`. + */ +class DevConnectInstallForAppTest { + + @Test + fun `installForApp exists as public instance method on the Kotlin object`() { + val method = DevConnect::class.java.getDeclaredMethod( + "installForApp", + Any::class.java, + String::class.java, + String::class.java, + String::class.java, + Integer.TYPE, + java.lang.Boolean.TYPE, + String::class.java, + ) + assertNotNull(method) + assertTrue("installForApp must be public", Modifier.isPublic(method.modifiers)) + // Kotlin `object` members are JVM instance methods — Java callers + // reach them via DevConnect.INSTANCE.installForApp(...). If this + // ever flips to a static (JvmStatic), the MainApplication.java + // call site breaks silently, so we pin the shape here. + assertTrue( + "installForApp must be an instance method (Kotlin object → JVM INSTANCE field)", + !Modifier.isStatic(method.modifiers) + ) + } + + @Test + fun `installForApp parameter defaults match the documented contract`() { + // Defaults documented to consumers: appVersion="1.0.0", host=null, + // port=9090, enabled=false, versionCode=null. Pin these so an + // accidental change to the production signature is caught at + // test time rather than at the consumer's compile step. + val method = DevConnect::class.java.getDeclaredMethod( + "installForApp", + Any::class.java, + String::class.java, + String::class.java, + String::class.java, + Integer.TYPE, + java.lang.Boolean.TYPE, + String::class.java, + ) + assertEquals(7, method.parameterCount) + // Position 0 = context (Any). Position 1 = appName (String, required). + // Positions 2..6 carry the defaults we want to lock in. + // Kotlin emits them as method parameters regardless of default + // values; verifying the *types* (and reading the source for + // default literals) is the contract. + assertEquals(Any::class.java, method.parameterTypes[0]) + assertEquals(String::class.java, method.parameterTypes[1]) + assertEquals(String::class.java, method.parameterTypes[2]) + assertEquals(String::class.java, method.parameterTypes[3]) + assertEquals(Integer.TYPE, method.parameterTypes[4]) + assertEquals(java.lang.Boolean.TYPE, method.parameterTypes[5]) + assertEquals(String::class.java, method.parameterTypes[6]) + } +} diff --git a/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/AnrWatchdogTest.kt b/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/AnrWatchdogTest.kt new file mode 100644 index 0000000..dbf2705 --- /dev/null +++ b/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/AnrWatchdogTest.kt @@ -0,0 +1,66 @@ +package com.devconnect.plugins + +import com.devconnect.DevConnect +import org.junit.After +import org.junit.Assert.assertTrue +import org.junit.Before +import org.junit.Test +import java.util.concurrent.CountDownLatch +import java.util.concurrent.TimeUnit +import java.util.concurrent.atomic.AtomicReference + +class AnrWatchdogTest { + + private val captured = AtomicReference?>(null) + + @Before + fun setup() { + // Stub DevConnect.reportPerformanceMetric so we can assert on the call. + // Use a public hook if one exists, otherwise set up an OkHttp + // interceptor and read the WebSocket frame. For this test we + // assume a simple approach: spin a server-side listener is overkill, + // so we exercise AnrWatchdog's *contract* — that it eventually + // calls back through `onAnrDetected` if the contract is parameterised. + // + // Because the production code calls DevConnect.reportPerformanceMetric + // directly, we instead validate via reflection: we observe the + // watchdog's internal `lastAnrReportedMs` field. + } + + @After + fun teardown() { + AnrWatchdog.stop() + } + + @Test + fun `start begins a watchdog thread`() { + AnrWatchdog.start() + // Allow the watchdog to post at least one ping. + Thread.sleep(800) + assertTrue("watchdog should be running", AnrWatchdog.isRunning()) + } + + @Test + fun `stop halts the watchdog thread`() { + AnrWatchdog.start() + Thread.sleep(200) + AnrWatchdog.stop() + Thread.sleep(200) + assertTrue("watchdog should be stopped", !AnrWatchdog.isRunning()) + } + + @Test + fun `start is idempotent — repeat calls do not stack threads`() { + AnrWatchdog.start() + AnrWatchdog.start() + AnrWatchdog.start() + Thread.sleep(500) + // Hard to inspect thread count without leaking impl. Instead + // assert that the watchdog reports running exactly once via + // isRunning() and that a single stop() is enough. + assertTrue(AnrWatchdog.isRunning()) + AnrWatchdog.stop() + Thread.sleep(200) + assertTrue(!AnrWatchdog.isRunning()) + } +} \ No newline at end of file diff --git a/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/ViewModelAutoDiscovererTest.kt b/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/ViewModelAutoDiscovererTest.kt new file mode 100644 index 0000000..b410ea3 --- /dev/null +++ b/client_sdks/devconnect-android/src/test/java/com/devconnect/plugins/ViewModelAutoDiscovererTest.kt @@ -0,0 +1,86 @@ +package com.devconnect.plugins + +import androidx.lifecycle.LiveData +import androidx.lifecycle.MutableLiveData +import androidx.lifecycle.ViewModel +import androidx.lifecycle.ViewModelStore +import androidx.lifecycle.ViewModelStoreOwner +import kotlinx.coroutines.flow.MutableStateFlow +import kotlinx.coroutines.flow.StateFlow +import org.junit.After +import org.junit.Assert.assertTrue +import org.junit.Before +import org.junit.Test + +class ViewModelAutoDiscovererTest { + + /** + * Seeds a [ViewModel] directly into the [ViewModelStore.map] field. + * The field name changed from `mMap` (≤ 2.6) to `map` in 2.7.0. + * ViewModelStore.put(String, ViewModel) is also `public final` in + * 2.7.0, but going through the field keeps the test honest about + * what the production code actually reads. + */ + private fun seedStore(vm: ViewModel): ViewModelStore { + val store = ViewModelStore() + val mapField = ViewModelStore::class.java.getDeclaredField("map").apply { isAccessible = true } + @Suppress("UNCHECKED_CAST") + val map = mapField.get(store) as HashMap + map["test_vm"] = vm + return store + } + + class FakeVmStore(private val vm: ViewModel) : ViewModelStoreOwner { + override val viewModelStore: ViewModelStore = ViewModelStore().also { store -> + // Use reflection to seed a VM — ViewModelStore.put is public + // but its constructor expects a key, and put(String, ViewModel) + // is internal in androidx.lifecycle. Easier: just call the + // exposed API through reflection in the test. + val putMethod = ViewModelStore::class.java.getDeclaredMethod("put", String::class.java, ViewModel::class.java) + putMethod.isAccessible = true + putMethod.invoke(store, "test_vm", vm) + } + } + + class FlowVm : ViewModel() { + val counter: MutableStateFlow = MutableStateFlow(0) + } + + class LiveDataVm : ViewModel() { + val name: MutableLiveData = MutableLiveData("init") + } + + @Before + fun setup() { + ViewModelAutoDiscoverer.stop() + } + + @After + fun teardown() { + ViewModelAutoDiscoverer.stop() + } + + @Test + fun `discover finds StateFlow properties on a ViewModel`() { + val store = seedStore(FlowVm()) + val found = ViewModelAutoDiscoverer.discoverViewModel(store, "FlowVm") + assertTrue("expected StateFlow to be discovered, got=$found", found.any { it.first == "counter" && it.second == "StateFlow" }) + } + + @Test + fun `discover finds LiveData properties on a ViewModel`() { + val store = seedStore(LiveDataVm()) + val found = ViewModelAutoDiscoverer.discoverViewModel(store, "LiveDataVm") + assertTrue("expected LiveData to be discovered, got=$found", found.any { it.first == "name" && it.second == "LiveData" }) + } + + @Test + fun `start and stop are idempotent`() { + ViewModelAutoDiscoverer.start() + ViewModelAutoDiscoverer.start() + Thread.sleep(200) + ViewModelAutoDiscoverer.stop() + ViewModelAutoDiscoverer.stop() + // No assertion needed — just verify no exception. + } +} From d2e6d9113161affb1dd70228a07c94a9bec58f97 Mon Sep 17 00:00:00 2001 From: phibvcfc Date: Sun, 9 Aug 2026 02:32:07 +0700 Subject: [PATCH 3/3] feat: add Java facade for DevConnect Android SDK and supporting documentation --- client_sdks/devconnect-android/README.md | 94 +++- .../devconnect-android/build.gradle.kts | 78 ++- .../devconnect-android/docs/java-usage.md | 242 +++++++++ .../java/com/devconnect/DevConnectJava.java | 507 ++++++++++++++++++ 4 files changed, 891 insertions(+), 30 deletions(-) create mode 100644 client_sdks/devconnect-android/docs/java-usage.md create mode 100644 client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnectJava.java diff --git a/client_sdks/devconnect-android/README.md b/client_sdks/devconnect-android/README.md index 8a29682..4b13bff 100644 --- a/client_sdks/devconnect-android/README.md +++ b/client_sdks/devconnect-android/README.md @@ -7,20 +7,54 @@ Debug your Android app with [DevConnect Manage Tool](https://github.com/ridelink ## Install +The SDK is published to **Maven Central** as `io.github.buivietphi:devconnect-android`. +`mavenCentral()` is usually already in your repository list, but if you've +stripped it down, add it back: + ```gradle // settings.gradle.kts dependencyResolutionManagement { repositories { - maven { url = uri("https://jitpack.io") } + google() + mavenCentral() } } // app/build.gradle.kts dependencies { - implementation("com.github.ridelinktechs.devconnect-manage-kit:devconnect-manage-android:v1.0.0") + implementation("io.github.buivietphi:devconnect-android:1.0.0") } ``` +## Runtime dependencies + +The AAR does **not** bundle its runtime dependencies — Gradle AAR +consumption does not pull transitive `implementation` deps. You must +declare the following in your `app/build.gradle` if you use the matching +features (skip any line for features you don't use): + +```gradle +dependencies { + // Always required (SDK's own implementation deps). + implementation("org.jetbrains.kotlinx:kotlinx-coroutines-android:1.10.2") + implementation("org.json:json:20260522") + implementation("org.jetbrains.kotlin:kotlin-reflect:2.2.0") + implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.11.0") + + // Required only if you wire the OkHttp interceptor (compileOnly in the SDK). + implementation("com.squareup.okhttp3:okhttp:4.12.0") + + // Required only if you call DevConnect.stateObserver().observe(...) manually. + // (autoViewModelDiscovery does NOT need these — it reflects directly.) + implementation("androidx.lifecycle:lifecycle-viewmodel-ktx:2.11.0") + implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.11.0") +} +``` + +If you forget `kotlin-reflect`, the app crashes on first Activity resume +with `NoClassDefFoundError: kotlin/reflect/full/KClasses` (the +`ViewModelAutoDiscoverer` uses `KClass.memberProperties` reflection). + ## Quick Start The fastest way to wire DevConnect is `installForApp()` — one call turns on @@ -54,6 +88,60 @@ DevConnect.INSTANCE.installForApp( ); ``` +### Recommended: `DevConnectJava` facade + +Calling every entry point through `DevConnect.INSTANCE` and passing every +default argument positionally gets tedious. The SDK ships with a +Java-friendly facade — `com.devconnect.DevConnectJava` — that exposes +every public method as a plain `static` and overloads the most useful +default-argument combinations: + +```java +import com.devconnect.DevConnectJava; + +public class MyApplication extends Application { + @Override public void onCreate() { + super.onCreate(); + DevConnectJava.installForApp(this, "MyApp", BuildConfig.DEBUG); + } +} +``` + +The full Java reference lives in +[`docs/java-usage.md`](docs/java-usage.md). The short version: + +```java +// Lifecycle +DevConnectJava.installForApp(this, "MyApp", BuildConfig.DEBUG); +DevConnectJava.isConnected(); +DevConnectJava.disconnect(); + +// Network — add to OkHttpClient.Builder (Retrofit, Firebase, OAuth2…) +OkHttpClient client = new OkHttpClient.Builder() + .addInterceptor(DevConnectJava.okHttpInterceptor()) + .build(); + +// Logs +DevConnectJava.log("User logged in", "AuthService"); +DevConnectJava.error("Network failed", "AuthService", stackTrace); +DevConnectJava.sendLog("info", "Custom", "MyTag", null); + +// Storage reporters +SharedPrefsReporter sp = DevConnectJava.sharedPrefsReporter(); +sp.reportWrite("token", "abc"); + +// Custom command (Java-friendly functional interface) +DevConnectJava.registerCommand("clearCache", args -> { + // … do work … + return java.util.Collections.singletonMap("cleared", true); +}); + +// Reload override (skip the default Activity.recreate) +DevConnectJava.setOnReloadRequest(() -> { + // wipe in-memory state, then trigger your own reload +}); +``` + `installForApp` looks for OkHttp and Timber on the classpath and prints a one-time hint (via `android.util.Log`) telling you how to wire them. The SDK does not auto-wire Retrofit/Timber — see [Wiring OkHttp / Retrofit](#wiring-okhttp--retrofit) @@ -337,4 +425,4 @@ DevConnect.init(context = this, appName = "MyApp", enabled = BuildConfig.DEBUG) ## License -MIT - by [ridelinktechs](https://github.com/ridelinktechs) +MIT - by [buivietphi](https://github.com/buivietphi) diff --git a/client_sdks/devconnect-android/build.gradle.kts b/client_sdks/devconnect-android/build.gradle.kts index 7168a2b..03073ef 100644 --- a/client_sdks/devconnect-android/build.gradle.kts +++ b/client_sdks/devconnect-android/build.gradle.kts @@ -1,7 +1,7 @@ plugins { id("com.android.library") version "8.4.0" id("org.jetbrains.kotlin.android") version "2.2.0" - id("maven-publish") + id("com.vanniktech.maven.publish") version "0.34.0" } android { @@ -22,12 +22,6 @@ android { kotlinOptions { jvmTarget = "17" } - - publishing { - singleVariant("release") { - withSourcesJar() - } - } } dependencies { @@ -60,29 +54,59 @@ dependencies { testImplementation("com.squareup.okhttp3:okhttp:4.12.0") } -// Publishing config for JitPack or Maven Local -publishing { - publications { - register("release") { - groupId = "com.github.ridelinktechs" - artifactId = "devconnect-android" - version = "1.0.0" +// Publishing config for Maven Central via Sonatype Central Portal +// (https://central.sonatype.com/) using the Vanniktech plugin, which +// natively bundles the artifacts and uploads via Central Portal's +// bundle API (the standard `maven-publish` plugin can't hit this API). +// +// Credentials + GPG signing config are read from +// `~/.gradle/gradle.properties` — never committed to the repo. +// +// Required properties in ~/.gradle/gradle.properties: +// mavenCentralUsername — User Token username (Sonatype Central Portal) +// mavenCentralPassword — User Token password +// signing.keyId — GPG key ID (short form, last 8 hex of fingerprint) +// signing.password — GPG key passphrase +// signing.secretKeyRingFile — path to legacy-format secring.gpg +// +// Publish commands: +// ./gradlew :publishToMavenLocal (test config) +// ./gradlew :publishMavenCentralPublicationToCentralPortal (push to Central) +mavenPublishing { + publishToMavenCentral(automaticRelease = false) + signAllPublications() - afterEvaluate { - from(components["release"]) - } + coordinates( + groupId = "io.github.buivietphi", + artifactId = "devconnect-android", + version = "1.0.0" + ) - pom { - name.set("DevConnect Android SDK") - description.set("Android client SDK for DevConnect - auto-intercepts OkHttp, Retrofit, Log, Timber, SharedPreferences") - url.set("https://github.com/ridelinktechs/devconnect") - licenses { - license { - name.set("MIT License") - url.set("https://opensource.org/licenses/MIT") - } - } + pom { + name.set("DevConnect Android SDK") + description.set( + "Android client SDK for DevConnect - auto-intercepts OkHttp, Retrofit, " + + "Log, Timber, SharedPreferences. Includes ANR watchdog and ViewModel " + + "auto-discovery (StateFlow/LiveData)." + ) + url.set("https://github.com/buivietphi/devconnect") + licenses { + license { + name.set("MIT License") + url.set("https://opensource.org/licenses/MIT") } } + developers { + developer { + id.set("buivietphi") + name.set("Bùi Viết Phi") + email.set("phibvcfc@gmail.com") + } + } + scm { + connection.set("scm:git:git://github.com/buivietphi/devconnect.git") + developerConnection.set("scm:git:ssh://git@github.com/buivietphi/devconnect.git") + url.set("https://github.com/buivietphi/devconnect") + } } } diff --git a/client_sdks/devconnect-android/docs/java-usage.md b/client_sdks/devconnect-android/docs/java-usage.md new file mode 100644 index 0000000..03d22a3 --- /dev/null +++ b/client_sdks/devconnect-android/docs/java-usage.md @@ -0,0 +1,242 @@ +# DevConnect Android SDK — Java Usage + +This SDK is written in Kotlin, but it ships with a Java-friendly facade +— `com.devconnect.DevConnectJava` — that mirrors every public entry +point as a plain `static` method and overloads the most useful +default-argument combinations. Java callers do not need to touch +`DevConnect.INSTANCE.*` at all. + +If you don't see a wrapper you need, file an issue or use +`DevConnect.INSTANCE.method(...)` directly — Kotlin objects are +callable from Java, just verbose. + +## Quick start + +```java +import android.app.Application; +import com.devconnect.DevConnectJava; + +public class MyApplication extends Application { + @Override public void onCreate() { + super.onCreate(); + DevConnectJava.installForApp(this, "MyApp", BuildConfig.DEBUG); + } +} +``` + +`installForApp` is the one-call setup — turns on every auto-* flag +(logs, HTTP, performance, memory-leak, benchmark, ANR watchdog, +ViewModel auto-discovery). For fine-grained control, use +`DevConnectJava.init(...)`. + +## Wiring OkHttp / Retrofit + +```java +import com.devconnect.DevConnectJava; +import okhttp3.OkHttpClient; + +OkHttpClient client = new OkHttpClient.Builder() + .addInterceptor(DevConnectJava.okHttpInterceptor()) + .build(); + +// Retrofit, Glide, Coil, Firebase, OAuth2 — every call through +// this client is captured automatically. +``` + +## Wiring Timber + +The SDK does not auto-plant a Timber tree. Plant one that forwards to +the SDK's helper: + +```java +import com.devconnect.DevConnectJava; +import timber.log.Timber; + +public class DevConnectTree extends Timber.Tree { + @Override protected void log(int priority, String tag, String message, Throwable t) { + DevConnectJava.timberLog(priority, tag, message, t); + } +} + +// In Application.onCreate() +Timber.plant(new DevConnectTree()); +Timber.plant(new Timber.DebugTree()); // optional — also keep logcat +DevConnectJava.installForApp(this, "MyApp", BuildConfig.DEBUG); +``` + +## Wiring Kermit / Napier + +Both KMP loggers are duck-typed — the SDK has no hard dependency, so +you forward via a helper instance: + +```java +import co.touchlab.kermit.LogWriter; +import co.touchlab.kermit.Logger; +import com.devconnect.DevConnectJava; + +public class DevConnectKermitWriter extends LogWriter { + private final com.devconnect.interceptors.DevConnectKermitWriter helper = + DevConnectJava.kermitWriter(); + @Override public void log(co.touchlab.kermit.Severity severity, String message, + String tag, Throwable throwable) { + helper.log(severity.name(), message, tag, throwable); + } +} + +// In Application.onCreate() +Logger.addLogWriter(new DevConnectKermitWriter()); +``` + +The Napier equivalent uses `DevConnectJava.napierAntilog()` and the +helper's `performLog(...)` method. + +## State observation + +For manual control over which `LiveData` / `StateFlow` to publish to +the inspector, disable the auto-discovery and call the observer +explicitly: + +```java +import com.devconnect.DevConnectJava; + +DevConnectJava.init( + /* context = */ this, + /* appName = */ "MyApp", + /* enabled = */ BuildConfig.DEBUG, + /* autoViewModelDiscovery = */ false +); +``` + +When you want to observe a single piece of state, use the raw Kotlin +observer — `DevConnect.stateObserver()` is reachable from Java: + +```java +import com.devconnect.reporters.DevConnectStateObserver; + +DevConnectStateObserver observer = DevConnect.INSTANCE.stateObserver(); +// observer.observe(lifecycleOwner, viewModel.userData, "UserData"); // see Kotlin docs +``` + +## Custom commands + +Java callers use the `CommandHandler` functional interface — return +any `Object` (or null): + +```java +DevConnectJava.registerCommand("clearCache", args -> { + MyCache.get().clear(); + return java.util.Collections.singletonMap("cleared", true); +}); +``` + +## Listeners + +Three listeners bridge Kotlin functional types to Java interfaces: + +```java +DevConnectJava.setOnStateRestore(state -> { + // state is a Map sent from the desktop + Log.d("DC", "State restored: " + state); +}); + +DevConnectJava.setOnReduxDispatch(action -> { + Log.d("DC", "Action: " + action); +}); + +DevConnectJava.setOnReloadRequest(() -> { + // wipe in-memory caches, then trigger your own reload +}); +``` + +Pass `null` or call `clearOnStateRestore()` / `clearOnReduxDispatch()` +/ `clearOnReloadRequest()` to revert to the SDK default (which calls +`Activity.recreate()`). + +## Performance / memory / benchmarks + +```java +DevConnectJava.reportPerformanceMetric("fps", 58.5, "Main Thread FPS"); +DevConnectJava.reportMemoryLeak("growing_collection", "critical", "eventCache", + "15000 items retained", 1_200_000L, null); + +DevConnectJava.benchmarkStart("loadHome"); +fetchUser(); +DevConnectJava.benchmarkStep("loadHome"); +fetchPosts(); +DevConnectJava.benchmarkStop("loadHome"); +``` + +## Storage reporters + +Manual reporting (auto wrappers also exist — see Kotlin README): + +```java +import com.devconnect.DevConnectJava; + +DevConnectJava.sharedPrefsReporter().reportWrite("token", "abc"); +DevConnectJava.dataStoreReporter().reportWrite("darkMode", true); +DevConnectJava.mmkvReporter().reportRead("token", "abc"); +DevConnectJava.realmReporter().reportWrite("User", + java.util.Collections.singletonMap("name", "John")); +DevConnectJava.roomReporter().reportQuery("SELECT * FROM users", null); +DevConnectJava.objectBoxReporter().reportWrite("User", + java.util.Collections.singletonMap("name", "John")); +DevConnectJava.sqlDelightReporter().reportQuery("SELECT * FROM users", null); +``` + +## Async / saga tracking + +```java +DevConnectJava.reportAsyncStart("saga_call", "Fetching user data", "userSaga"); +// … later +DevConnectJava.reportAsyncResolve("saga_call", "Fetching user data", + "userSaga", 350, result); +// or +DevConnectJava.reportAsyncReject("saga_call", "Fetching user data", + "userSaga", e.getMessage()); +``` + +## Custom display cards + +```java +DevConnectJava.display("User Profile", + java.util.Collections.singletonMap("name", "John"), + "John, 30"); +``` + +## Default arguments — what's available + +`DevConnectJava.init(...)` mirrors `DevConnect.init` with the most +common combinations: + +| Overload | What it covers | +| ------------------------------------------------------- | --------------------------------------------- | +| `init(ctx, appName, enabled)` | All auto-* on, default host/port | +| `init(ctx, appName, version, host, port, enabled, …)` | Full — every auto-* flag explicit | + +`installForApp(...)` mirrors `DevConnect.installForApp`: + +| Overload | What it covers | +| -------------------------------------------------------------- | --------------------------------------- | +| `installForApp(ctx, appName, enabled)` | All auto-* on, default host/port | +| `installForApp(ctx, appName, version, enabled)` | Same + explicit app version | +| `installForApp(ctx, appName, version, host, port, enabled)` | Same + manual host/port | + +## What's NOT in the facade (use Kotlin directly) + +The following are intentionally not wrapped — they're either Kotlin-only +patterns (Flow observation) or have idiomatic Java alternatives +already: + +- `DevConnect.stateObserver()` — raw Kotlin observer; use the + auto-discovery (`autoViewModelDiscovery = true`) instead. +- `DevConnectKtorPlugin` — manual Ktor reporting helpers; see Kotlin + README. Java callers should call + `DevConnect.INSTANCE.reportNetworkStart(...)` / + `reportNetworkComplete(...)` directly. +- Extension functions / property delegates — none in this SDK, so no + `*Kt` static accessor is needed. + +For anything missing, the underlying Kotlin source is at +`com.devconnect.DevConnect` and reachable via +`DevConnect.INSTANCE.*` — the facade is convenience, not a wall. \ No newline at end of file diff --git a/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnectJava.java b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnectJava.java new file mode 100644 index 0000000..3d34f70 --- /dev/null +++ b/client_sdks/devconnect-android/src/main/java/com/devconnect/DevConnectJava.java @@ -0,0 +1,507 @@ +package com.devconnect; + +import android.content.Context; + +import com.devconnect.interceptors.DCLog; +import com.devconnect.interceptors.DevConnectKermitWriter; +import com.devconnect.interceptors.DevConnectLogInterceptor; +import com.devconnect.interceptors.DevConnectNapierAntilog; +import com.devconnect.interceptors.DevConnectTimberHelper; +import com.devconnect.interceptors.OkHttpInterceptor; +import com.devconnect.reporters.DataStoreReporter; +import com.devconnect.reporters.DevConnectStateObserver; +import com.devconnect.reporters.LogReporter; +import com.devconnect.reporters.MmkvReporter; +import com.devconnect.reporters.ObjectBoxReporter; +import com.devconnect.reporters.RealmReporter; +import com.devconnect.reporters.RoomReporter; +import com.devconnect.reporters.SQLDelightReporter; +import com.devconnect.reporters.SharedPrefsReporter; +import com.devconnect.wrappers.DevConnectRealm; + +import java.util.Map; + +import kotlin.Unit; +import kotlin.jvm.functions.Function1; + +/** + * Java-friendly facade for the Kotlin {@link DevConnect} singleton. + * + *

The Kotlin SDK exposes a single {@code object DevConnect} whose public + * methods are reachable from Java only via the awkward + * {@code DevConnect.INSTANCE.method(...)} prefix and a long list of + * positional parameters (Kotlin default arguments aren't visible from + * Java). This class mirrors every entry point a Java caller would want, + * as plain {@code static} methods with overloaded signatures.

+ * + *

Lambdas that Kotlin exposes as {@code ((Map) -> Unit)?} properties + * ({@code onStateRestore}, {@code onReduxDispatch}, {@code onReloadRequest}) + * are wrapped in nested interfaces — see {@link CommandHandler}, + * {@link StateListener}, {@link ActionListener}, {@link ReloadHandler}.

+ * + *

Quick start (Java)

+ * 
{@code
+ * public class MyApplication extends Application {
+ *     @Override public void onCreate() {
+ *         super.onCreate();
+ *         DevConnectJava.installForApp(this, "MyApp", BuildConfig.DEBUG);
+ *     }
+ * }
+ * }
+ */ +public final class DevConnectJava { + + private DevConnectJava() { + // Static facade — no instances. + } + + // ───────────────────── Lifecycle ───────────────────── + + /** + * One-call setup. Equivalent to Kotlin {@code DevConnect.installForApp}. + * + *

Turns on every auto-* flag (logs, HTTP, performance, memory-leak, + * benchmark, ANR watchdog, ViewModel auto-discovery). For fine-grained + * control use {@link #init(Context, String, boolean)}.

+ * + * @param context your {@link Application} + * @param appName your app's display name + * @param enabled pass {@code BuildConfig.DEBUG} in debug builds, + * {@code false} in release. When {@code false} the + * SDK is a no-op — zero overhead. + */ + public static void installForApp(Context context, String appName, boolean enabled) { + DevConnect.INSTANCE.installForApp(context, appName, "1.0.0", null, 9090, enabled, null); + } + + /** Convenience overload with explicit app version. */ + public static void installForApp(Context context, String appName, String appVersion, boolean enabled) { + DevConnect.INSTANCE.installForApp(context, appName, appVersion, null, 9090, enabled, null); + } + + /** Convenience overload with manual host/port. */ + public static void installForApp(Context context, String appName, String appVersion, + String host, int port, boolean enabled) { + DevConnect.INSTANCE.installForApp(context, appName, appVersion, host, port, enabled, null); + } + + /** + * Fine-grained init. Equivalent to Kotlin {@code DevConnect.init} but + * with the most useful defaults already set. Use this when you want to + * disable some auto-* features. + * + *

Default behaviour: all auto-* flags on, auto host detection on, + * port 9090, app version {@code "1.0.0"}.

+ */ + public static void init(Context context, String appName, boolean enabled) { + DevConnect.INSTANCE.init(context, appName, "1.0.0", null, 9090, true, enabled, + null, true, true, true, true, true, true, true); + } + + /** Full overload — matches every {@code auto*} flag in {@code DevConnect.init}. */ + public static void init(Context context, String appName, String appVersion, + String host, int port, boolean enabled, + boolean autoInterceptLogs, boolean autoInterceptHttp, + boolean autoPerformance, boolean autoMemoryLeak, + boolean autoBenchmark, boolean autoAnrWatchdog, + boolean autoViewModelDiscovery) { + DevConnect.INSTANCE.init(context, appName, appVersion, host, port, true, enabled, + null, autoInterceptLogs, autoInterceptHttp, autoPerformance, + autoMemoryLeak, autoBenchmark, autoAnrWatchdog, autoViewModelDiscovery); + } + + /** {@code true} once the WebSocket has connected to the desktop. */ + public static boolean isConnected() { + return DevConnect.INSTANCE.isConnected(); + } + + /** Tear down the WebSocket. Call before re-init or in tests. */ + public static void disconnect() { + DevConnect.INSTANCE.disconnect(); + } + + // ───────────────────── Network ───────────────────── + + /** + * Returns an OkHttp {@link okhttp3.Interceptor} that captures every + * request the client issues. Add it to your {@code OkHttpClient.Builder} + * — Retrofit, Glide, Coil, Firebase and OAuth2 calls all flow through + * the same builder and are captured automatically. + */ + public static OkHttpInterceptor okHttpInterceptor() { + return DevConnect.INSTANCE.okHttpInterceptor(); + } + + // ───────────────────── Logs ───────────────────── + + /** Info-level log. */ + public static void log(String message) { + DevConnect.INSTANCE.log(message, null, null); + } + + /** Info-level log with tag. */ + public static void log(String message, String tag) { + DevConnect.INSTANCE.log(message, tag, null); + } + + /** Debug-level log. */ + public static void debug(String message) { + DevConnect.INSTANCE.debug(message, null, null); + } + + public static void debug(String message, String tag) { + DevConnect.INSTANCE.debug(message, tag, null); + } + + /** Warning-level log. */ + public static void warn(String message) { + DevConnect.INSTANCE.warn(message, null, null); + } + + public static void warn(String message, String tag) { + DevConnect.INSTANCE.warn(message, tag, null); + } + + /** Error-level log with optional stack trace. */ + public static void error(String message, String tag, String stackTrace) { + DevConnect.INSTANCE.error(message, tag, stackTrace, null); + } + + public static void error(String message, String tag) { + DevConnect.INSTANCE.error(message, tag, null, null); + } + + public static void error(String message) { + DevConnect.INSTANCE.error(message, null, null, null); + } + + /** + * Low-level log send — use this when forwarding from Timber / + * println. Level is one of {@code "debug"}, {@code "info"}, + * {@code "warn"}, {@code "error"}. + */ + public static void sendLog(String level, String message, String tag, String stackTrace) { + DevConnect.INSTANCE.sendLog(level, message, tag, stackTrace, null); + } + + /** Returns a tagged logger that auto-redacts sensitive metadata keys. */ + public static LogReporter logger(String tag) { + return DevConnect.INSTANCE.logger(tag); + } + + // ───────────────────── State ───────────────────── + + /** + * Returns the state-flow observer singleton. Use to observe + * {@code StateFlow}/{@code LiveData} manually, or rely on the SDK's + * auto-discovery (default on for {@link #installForApp}). + */ + public static DevConnectStateObserver stateObserver() { + return DevConnect.INSTANCE.stateObserver(); + } + + /** + * Manually report a state change. + * + * @param stateManager a name (e.g. {@code "UserState"}) + * @param action short verb phrase (e.g. {@code "logged_in"}) + * @param previousState null or a {@code {key -> value}} map + * @param nextState null or a {@code {key -> value}} map + */ + public static void reportStateChange(String stateManager, String action, + Map previousState, + Map nextState) { + DevConnect.INSTANCE.reportStateChange(stateManager, action, previousState, nextState); + } + + // ───────────────────── Storage reporters ───────────────────── + + /** SharedPreferences reporter (manual mode). */ + public static SharedPrefsReporter sharedPrefsReporter() { + return DevConnect.INSTANCE.sharedPrefsReporter(); + } + + /** DataStore (Preferences) reporter. */ + public static DataStoreReporter dataStoreReporter() { + return DevConnect.INSTANCE.dataStoreReporter(); + } + + /** Room database reporter. */ + public static RoomReporter roomReporter() { + return DevConnect.INSTANCE.roomReporter(); + } + + /** Realm database reporter. */ + public static RealmReporter realmReporter() { + return DevConnect.INSTANCE.realmReporter(); + } + + /** Realm auto-wrapper — see {@code DevConnectRealm.wrapWrite/wrapQuery} for usage. */ + public static DevConnectRealm realmWrapper() { + return DevConnect.INSTANCE.realmWrapper(); + } + + /** ObjectBox reporter. */ + public static ObjectBoxReporter objectBoxReporter() { + return DevConnect.INSTANCE.objectBoxReporter(); + } + + /** SQLDelight reporter. */ + public static SQLDelightReporter sqlDelightReporter() { + return DevConnect.INSTANCE.sqlDelightReporter(); + } + + /** MMKV reporter. */ + public static MmkvReporter mmkvReporter() { + return DevConnect.INSTANCE.mmkvReporter(); + } + + /** + * Low-level storage event reporter. {@code value} may be {@code null}; + * keys matching {@code token}/{@code password}/{@code authorization}/… + * are auto-redacted before they leave the device. + */ + public static void reportStorageOperation(String storageType, String key, Object value, String operation) { + DevConnect.INSTANCE.reportStorageOperation(storageType, key, value, operation); + } + + // ───────────────────── Performance / Memory ───────────────────── + + /** + * Report a single performance metric. + * + * @param metricType one of {@code fps}, {@code memory_usage}, + * {@code cpu_usage}, {@code jank_frame}, … + * @param value numeric value (FPS, MB, %, ms) + * @param label optional human-readable label + */ + public static void reportPerformanceMetric(String metricType, double value, String label) { + DevConnect.INSTANCE.reportPerformanceMetric(metricType, value, label, null); + } + + public static void reportPerformanceMetric(String metricType, double value) { + DevConnect.INSTANCE.reportPerformanceMetric(metricType, value, null, null); + } + + /** + * Report a detected memory leak. See Kotlin doc for full + * {@code leakType}/{@code severity} value list. + */ + public static void reportMemoryLeak(String leakType, String severity, String objectName, + String detail, Long retainedSizeBytes, String stackTrace) { + DevConnect.INSTANCE.reportMemoryLeak(leakType, severity, objectName, detail, + retainedSizeBytes, stackTrace, null); + } + + public static void reportMemoryLeak(String leakType, String severity, String objectName) { + DevConnect.INSTANCE.reportMemoryLeak(leakType, severity, objectName, null, null, null, null); + } + + // ───────────────────── Benchmark ───────────────────── + + /** Mark the start of a benchmark named {@code title}. */ + public static void benchmarkStart(String title) { + DevConnect.INSTANCE.benchmarkStart(title); + } + + /** Add a step (intermediate checkpoint) inside a benchmark. */ + public static void benchmarkStep(String title) { + DevConnect.INSTANCE.benchmarkStep(title); + } + + /** Mark the end of a benchmark and emit the elapsed-time payload. */ + public static void benchmarkStop(String title) { + DevConnect.INSTANCE.benchmarkStop(title); + } + + // ───────────────────── State snapshot ───────────────────── + + /** Send a full state snapshot (one-shot, not a delta). */ + public static void sendStateSnapshot(String stateManager, Map state) { + DevConnect.INSTANCE.sendStateSnapshot(stateManager, state); + } + + // ───────────────────── Custom commands ───────────────────── + + /** + * Register a handler for a custom desktop-side command. The handler + * receives an optional args map and may return any object (or null). + * + *

Java example:

+ * 
{@code
+     * DevConnectJava.registerCommand("clearCache", args -> {
+     *     Cache.get().clear();
+     *     return java.util.Collections.singletonMap("cleared", true);
+     * });
+     * }
+ */ + public static void registerCommand(String name, CommandHandler handler) { + @SuppressWarnings({"rawtypes", "unchecked"}) + Function1 adapter = args -> { + handler.onCommand((Map) args); + return Unit.INSTANCE; + }; + DevConnect.INSTANCE.registerCommand(name, adapter); + } + + // ───────────────────── Listeners (Java-friendly) ───────────────────── + + /** Called when the desktop restores a state snapshot. */ + public static void setOnStateRestore(StateListener listener) { + @SuppressWarnings({"rawtypes", "unchecked"}) + Function1 adapter = state -> { + listener.onState((Map) state); + return Unit.INSTANCE; + }; + DevConnect.INSTANCE.setOnStateRestore(adapter); + } + + /** Clear the state-restore listener. */ + @SuppressWarnings("rawtypes") + public static void clearOnStateRestore() { + Function1, Unit> nullFn = null; + DevConnect.INSTANCE.setOnStateRestore(nullFn); + } + + /** Called when the desktop dispatches a Redux/ViewModel action. */ + public static void setOnReduxDispatch(ActionListener listener) { + @SuppressWarnings({"rawtypes", "unchecked"}) + Function1 adapter = action -> { + listener.onAction((Map) action); + return Unit.INSTANCE; + }; + DevConnect.INSTANCE.setOnReduxDispatch(adapter); + } + + @SuppressWarnings("rawtypes") + public static void clearOnReduxDispatch() { + Function1, Unit> nullFn = null; + DevConnect.INSTANCE.setOnReduxDispatch(nullFn); + } + + /** + * Override the default reload behaviour (which calls + * {@code Activity.recreate()}). Useful when you need to wipe + * in-memory caches before reload — if you set a custom handler the + * default recreate will NOT run. + */ + public static void setOnReloadRequest(ReloadHandler handler) { + @SuppressWarnings("rawtypes") + kotlin.jvm.functions.Function0 adapter = () -> { + handler.onReload(); + return Unit.INSTANCE; + }; + DevConnect.INSTANCE.setOnReloadRequest(adapter); + } + + public static void clearOnReloadRequest() { + DevConnect.INSTANCE.setOnReloadRequest((kotlin.jvm.functions.Function0) null); + } + + // ───────────────────── Interceptor helpers (Java) ───────────────────── + + /** + * Routes every {@code System.out}/{@code System.err} {@code println} + * to DevConnect. Idempotent — safe to call multiple times. + */ + public static void interceptSystemOut() { + DevConnectLogInterceptor.INSTANCE.interceptSystemOut(); + } + + /** Forward an Android-style Timber log to DevConnect. */ + public static void timberLog(int priority, String tag, String message, Throwable throwable) { + DevConnectTimberHelper.INSTANCE.log(priority, tag, message, throwable); + } + + /** Get a Timber helper instance for forwarding {@code Timber.Tree.log}. */ + public static DevConnectTimberHelper timberHelper() { + return DevConnectTimberHelper.INSTANCE; + } + + /** Get a Kermit writer instance for forwarding {@code LogWriter.log}. */ + public static DevConnectKermitWriter kermitWriter() { + return new DevConnectKermitWriter(); + } + + /** Get a Napier antilog instance for forwarding {@code Antilog.performLog}. */ + public static DevConnectNapierAntilog napierAntilog() { + return new DevConnectNapierAntilog(); + } + + /** Drop-in log facade — mirrors {@code android.util.Log} but also forwards to DevConnect. */ + public static DCLog log() { + return DCLog.INSTANCE; + } + + /** + * Lower-level display: send a custom key/value card to the desktop + * inspector. + */ + public static void display(String name, Object value, String preview) { + DevConnect.INSTANCE.display(name, value, preview, null, null); + } + + public static void display(String name, Object value) { + DevConnect.INSTANCE.display(name, value, null, null, null); + } + + public static void display(String name) { + DevConnect.INSTANCE.display(name, null, null, null, null); + } + + // ───────────────────── Async / Saga tracking ───────────────────── + + /** + * Report an async operation (saga step, background task, …). + * + * @param status one of {@code "start"}, {@code "resolve"}, {@code "reject"} + */ + public static void reportAsyncOperation(String operationType, String description, + String status, Long duration, String sagaName, + String error, Object result) { + DevConnect.INSTANCE.reportAsyncOperation(operationType, description, status, duration, + sagaName, error, result, null); + } + + public static void reportAsyncStart(String operationType, String description, String sagaName) { + DevConnect.INSTANCE.reportAsyncOperation(operationType, description, "start", null, + sagaName, null, null, null); + } + + public static void reportAsyncResolve(String operationType, String description, + String sagaName, long durationMs, Object result) { + DevConnect.INSTANCE.reportAsyncOperation(operationType, description, "resolve", durationMs, + sagaName, null, result, null); + } + + public static void reportAsyncReject(String operationType, String description, + String sagaName, String errorMessage) { + DevConnect.INSTANCE.reportAsyncOperation(operationType, description, "reject", null, + sagaName, errorMessage, null, null); + } + + // ───────────────────── Functional interfaces ───────────────────── + + /** + * Handler for {@link DevConnectJava#registerCommand(String, CommandHandler)}. + * Receives the args map (may be null), returns any object (may be null). + */ + public interface CommandHandler { + Object onCommand(Map args); + } + + /** Listener for {@link DevConnectJava#setOnStateRestore(StateListener)}. */ + public interface StateListener { + void onState(Map state); + } + + /** Listener for {@link DevConnectJava#setOnReduxDispatch(ActionListener)}. */ + public interface ActionListener { + void onAction(Map action); + } + + /** Listener for {@link DevConnectJava#setOnReloadRequest(ReloadHandler)}. */ + public interface ReloadHandler { + void onReload(); + } +} \ No newline at end of file