Refactored to AndroidX, updated tab communication process

build.gradle

@@ -1,15 +1,17 @@
 // Top-level build file where you can add configuration options common to all sub-projects/modules.
 buildscript {
     repositories {
-        jcenter()
+        google()
+        mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:1.0.0'
+        classpath 'com.android.tools.build:gradle:4.2.2'
     }
 }
 
 allprojects {
     repositories {
-        jcenter()
+        google()
+        mavenCentral()
     }
 }

gradle.properties

@@ -0,0 +1,19 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app"s APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official

gradle/wrapper/gradle-wrapper.properties

@@ -3,4 +3,4 @@ distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.7.1-all.zip

slideDateTimePicker/build.gradle

@@ -1,12 +1,12 @@
 apply plugin: 'com.android.library'
 
 android {
-    compileSdkVersion 23
-    buildToolsVersion "23.0.2"
+    compileSdkVersion 30
+    buildToolsVersion "23.0.3"
 
     defaultConfig {
         minSdkVersion 14
-        targetSdkVersion 23
+        targetSdkVersion 30
     }
 
     buildTypes {
@@ -15,8 +15,13 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
         }
     }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
 }
 
 dependencies {
-    compile 'com.android.support:support-v4:23.1.1'
+    implementation 'androidx.appcompat:appcompat:1.3.0'
 }

slideDateTimePicker/src/main/AndroidManifest.xml

@@ -1,11 +1,3 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<manifest
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    package="com.github.jjobes.slidedatetimepicker" >
-
-    <uses-sdk
-        android:minSdkVersion="14"
-        android:targetSdkVersion="21" />
-
-</manifest>
+<manifest package="com.github.jjobes.slidedatetimepicker" />

slideDateTimePicker/src/main/java/com/github/jjobes/slidedatetimepicker/CustomViewPager.java

@@ -1,16 +1,17 @@
 package com.github.jjobes.slidedatetimepicker;
 
 import android.content.Context;
-import android.support.v4.view.ViewPager;
 import android.util.AttributeSet;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewConfiguration;
 import android.widget.DatePicker;
 import android.widget.TimePicker;
 
+import androidx.viewpager.widget.ViewPager;
+
 /**
- * A custom {@link android.support.v4.view.ViewPager} implementation that corrects
+ * A custom {@link ViewPager} implementation that corrects
  * the height of the ViewPager and also dispatches touch events to either the ViewPager
  * or the date or time picker depending on the direction of the swipe.
  *

slideDateTimePicker/src/main/java/com/github/jjobes/slidedatetimepicker/DateFragment.java

@@ -4,13 +4,13 @@
 
 import android.content.Context;
 import android.os.Bundle;
-import android.support.v4.app.Fragment;
 import android.view.ContextThemeWrapper;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.DatePicker;
-import android.widget.DatePicker.OnDateChangedListener;
+
+import androidx.fragment.app.Fragment;
 
 /**
  * The fragment for the first page in the ViewPager that holds
@@ -21,60 +21,28 @@
  */
 public class DateFragment extends Fragment
 {
-    /**
-     * Used to communicate back to the parent fragment as the user
-     * is changing the date spinners so we can dynamically update
-     * the tab text.
-     */
-    public interface DateChangedListener
-    {
-        void onDateChanged(int year, int month, int day);
-    }
+    public static final String DATE_FRAGMENT_KEY = "100";
 
-    private DateChangedListener mCallback;
     private CustomDatePicker mDatePicker;
 
     public DateFragment()
     {
         // Required empty public constructor for fragment.
     }
 
-    /**
-     * Cast the reference to {@link SlideDateTimeDialogFragment}
-     * to a {@link DateChangedListener}.
-     */
-    @Override
-    public void onCreate(Bundle savedInstanceState)
-    {
-        super.onCreate(savedInstanceState);
-
-        try
-        {
-            mCallback = (DateChangedListener) getTargetFragment();
-        }
-        catch (ClassCastException e)
-        {
-            throw new ClassCastException("Calling fragment must implement " +
-                "DateFragment.DateChangedListener interface");
-        }
-    }
-
     /**
      * Return an instance of DateFragment with its bundle filled with the
      * constructor arguments. The values in the bundle are retrieved in
-     * {@link #onCreateView()} below to properly initialize the DatePicker.
-     *
-     * @param theme
-     * @param year
-     * @param month
-     * @param day
-     * @param minDate
-     * @param maxDate
-     * @return an instance of DateFragment
+     * {@link #onCreateView(LayoutInflater, ViewGroup, Bundle)} below to properly initialize the DatePicker.
      */
-    public static final DateFragment newInstance(int theme, int year, int month,
-            int day, Date minDate, Date maxDate)
-    {
+    public static DateFragment newInstance(
+            int theme,
+            int year,
+            int month,
+            int day,
+            Date minDate,
+            Date maxDate
+    ) {
         DateFragment f = new DateFragment();
 
         Bundle b = new Bundle();
@@ -93,9 +61,12 @@ public static final DateFragment newInstance(int theme, int year, int month,
      * Create and return the user interface view for this fragment.
      */
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState)
-    {
+    public View onCreateView(
+            LayoutInflater inflater,
+            ViewGroup container,
+            Bundle savedInstanceState
+    ) {
+        assert getArguments() != null;
         int theme = getArguments().getInt("theme");
         int initialYear = getArguments().getInt("year");
         int initialMonth = getArguments().getInt("month");
@@ -112,8 +83,8 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         Context contextThemeWrapper = new ContextThemeWrapper(
                 getActivity(),
                 theme == SlideDateTimePicker.HOLO_DARK ?
-                         android.R.style.Theme_Holo :
-                         android.R.style.Theme_Holo_Light);
+                        android.R.style.Theme_Holo :
+                        android.R.style.Theme_Holo_Light);
 
         LayoutInflater localInflater = inflater.cloneInContext(contextThemeWrapper);
 
@@ -123,18 +94,16 @@ public View onCreateView(LayoutInflater inflater, ViewGroup container,
         // block keyboard popping up on touch
         mDatePicker.setDescendantFocusability(DatePicker.FOCUS_BLOCK_DESCENDANTS);
         mDatePicker.init(
-            initialYear,
-            initialMonth,
-            initialDay,
-            new OnDateChangedListener() {
-
-                @Override
-                public void onDateChanged(DatePicker view, int year,
-                        int monthOfYear, int dayOfMonth)
-                {
-                    mCallback.onDateChanged(year, monthOfYear, dayOfMonth);
-                }
-            });
+                initialYear,
+                initialMonth,
+                initialDay,
+                (view, year, monthOfYear, dayOfMonth) -> {
+                    Bundle result = new Bundle();
+                    result.putInt("year", year);
+                    result.putInt("monthOfYear", monthOfYear);
+                    result.putInt("dayOfMonth", dayOfMonth);
+                    getParentFragmentManager().setFragmentResult(DATE_FRAGMENT_KEY, result);
+                });
 
         if (minDate != null)
             mDatePicker.setMinDate(minDate.getTime());
@@ -144,4 +113,4 @@ public void onDateChanged(DatePicker view, int year,
 
         return v;
     }
-}
+}