diff --git a/README.md b/README.md index 86209bd..78b82ef 100644 --- a/README.md +++ b/README.md @@ -1 +1,4 @@ -# Generate-QR-Code-in-Android \ No newline at end of file +# Generate-QR-Code-in-Android + +https://github.com/user-attachments/assets/488950c3-13ef-449d-bbe6-4acd7f84fcd5 + diff --git a/app/.gitignore b/app/.gitignore new file mode 100644 index 0000000..42afabf --- /dev/null +++ b/app/.gitignore @@ -0,0 +1 @@ +/build \ No newline at end of file diff --git a/app/build.gradle.kts b/app/build.gradle.kts new file mode 100644 index 0000000..09b69f3 --- /dev/null +++ b/app/build.gradle.kts @@ -0,0 +1,59 @@ +plugins { + alias(libs.plugins.android.application) + alias(libs.plugins.kotlin.android) + id("kotlin-kapt") + id("com.google.gms.google-services") +} + +android { + namespace = "org.geeksforgeeks.demo" + compileSdk = 35 + + defaultConfig { + applicationId = "org.geeksforgeeks.demo" + minSdk = 26 + targetSdk = 35 + versionCode = 1 + versionName = "1.0" + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + } + + buildFeatures { + viewBinding = true + } + + buildTypes { + release { + isMinifyEnabled = false + proguardFiles( + getDefaultProguardFile("proguard-android-optimize.txt"), + "proguard-rules.pro" + ) + } + } + compileOptions { + sourceCompatibility = JavaVersion.VERSION_11 + targetCompatibility = JavaVersion.VERSION_11 + } + kotlinOptions { + jvmTarget = "11" + } +} +dependencies { + implementation(libs.androidx.core.ktx) + implementation(libs.androidx.appcompat) + implementation(libs.material) + implementation(libs.androidx.activity) + implementation(libs.androidx.constraintlayout) + implementation(libs.androidx.navigation.fragment.ktx) + implementation(libs.androidx.navigation.ui.ktx) + testImplementation(libs.junit) + androidTestImplementation(libs.androidx.junit) + androidTestImplementation(libs.androidx.espresso.core) + + implementation("com.google.firebase:firebase-auth:23.2.0") + implementation("com.google.android.gms:play-services-auth:21.3.0") + + implementation ("com.journeyapps:zxing-android-embedded:4.3.0") +} \ No newline at end of file diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro new file mode 100644 index 0000000..481bb43 --- /dev/null +++ b/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile \ No newline at end of file diff --git a/app/src/androidTest/java/org/geeksforgeeks/demo/ExampleInstrumentedTest.kt b/app/src/androidTest/java/org/geeksforgeeks/demo/ExampleInstrumentedTest.kt new file mode 100644 index 0000000..e749173 --- /dev/null +++ b/app/src/androidTest/java/org/geeksforgeeks/demo/ExampleInstrumentedTest.kt @@ -0,0 +1,24 @@ +package org.geeksforgeeks.demo + +import androidx.test.platform.app.InstrumentationRegistry +import androidx.test.ext.junit.runners.AndroidJUnit4 + +import org.junit.Test +import org.junit.runner.RunWith + +import org.junit.Assert.* + +/** + * Instrumented test, which will execute on an Android device. + * + * See [testing documentation](http://d.android.com/tools/testing). + */ +@RunWith(AndroidJUnit4::class) +class ExampleInstrumentedTest { + @Test + fun useAppContext() { + // Context of the app under test. + val appContext = InstrumentationRegistry.getInstrumentation().targetContext + assertEquals("org.geeksforgeeks.demo", appContext.packageName) + } +} \ No newline at end of file diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..ebc3251 --- /dev/null +++ b/app/src/main/AndroidManifest.xml @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/java/org/geeksforgeeks/demo/MainActivity.kt b/app/src/main/java/org/geeksforgeeks/demo/MainActivity.kt new file mode 100644 index 0000000..1020ece --- /dev/null +++ b/app/src/main/java/org/geeksforgeeks/demo/MainActivity.kt @@ -0,0 +1,68 @@ +package org.geeksforgeeks.demo + +import android.graphics.Bitmap +import android.os.Bundle +import android.text.TextUtils +import android.widget.Button +import android.widget.EditText +import android.widget.ImageView +import android.widget.Toast +import androidx.appcompat.app.AppCompatActivity +import com.google.zxing.BarcodeFormat +import com.google.zxing.WriterException +import com.journeyapps.barcodescanner.BarcodeEncoder + +class MainActivity : AppCompatActivity() { + + // Variables for imageview, edittext, + // button, bitmap and encoder. + private lateinit var qrCodeIV: ImageView + private lateinit var dataEdt: EditText + private lateinit var generateQrBtn: Button + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + setContentView(R.layout.activity_main) + + // Initializing all variables. + qrCodeIV = findViewById(R.id.idIVQrcode) + dataEdt = findViewById(R.id.idEdt) + generateQrBtn = findViewById(R.id.idBtnGenerateQR) + + // Initializing onclick listener for button. + generateQrBtn.setOnClickListener { + if (TextUtils.isEmpty( + dataEdt.getText().toString() + ) + ) { + + // If the edittext inputs are empty + // then execute this method showing + // a toast message. + Toast.makeText( + this@MainActivity, + "Enter some text to generate QR Code", + Toast.LENGTH_SHORT + ).show() + } + else { + generateQRCode( + dataEdt.getText().toString() + ) + } + } + } + + private fun generateQRCode(text: String) { + val barcodeEncoder = BarcodeEncoder() + try { + // This method returns a Bitmap image of the + // encoded text with a height and width of 400 + // pixels. + val bitmap: Bitmap = barcodeEncoder.encodeBitmap(text, BarcodeFormat.QR_CODE, 400, 400) + qrCodeIV.setImageBitmap(bitmap) // Sets the Bitmap to ImageView + } catch (e: WriterException) { + e.printStackTrace() + } + } +} \ No newline at end of file diff --git a/app/src/main/res/drawable/gfg_logo.webp b/app/src/main/res/drawable/gfg_logo.webp new file mode 100644 index 0000000..8ba40a7 Binary files /dev/null and b/app/src/main/res/drawable/gfg_logo.webp differ diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000..07d5da9 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml new file mode 100644 index 0000000..2b068d1 --- /dev/null +++ b/app/src/main/res/drawable/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + \ No newline at end of file diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml new file mode 100644 index 0000000..e739f3b --- /dev/null +++ b/app/src/main/res/layout/activity_main.xml @@ -0,0 +1,40 @@ + + + + + + + + + + +