Reactive Installer Library with Demo

.gitignore

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+*.aab
+*.apk
+*.iml
+
+.gradle
+.idea
+.DS_Store
+
+/build
+/captures
+.externalNativeBuild
+
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+apply plugin: 'kotlin-android'
+
+android {
+    compileSdkVersion compile_sdk_version
+
+    defaultConfig {
+        applicationId application_id
+
+        minSdkVersion min_sdk_version
+        targetSdkVersion target_sdk_version
+
+        versionCode version_code
+        versionName version_name
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    dynamicFeatures = [
+            ":feature1",
+            ":feature2"
+    ]
+}
+
+dependencies {
+    implementation project(':reactivesplitinstaller')
+
+    // Android Support Libraries
+    api 'androidx.appcompat:appcompat:1.1.0-alpha03'
+    api 'androidx.constraintlayout:constraintlayout:2.0.0-alpha3'
+    api 'com.google.android.gms:play-services-instantapps:16.0.1'
+
+    // Kotlin
+    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+
+    // Play Core
+    api 'com.google.android.play:core:1.4.0'
+
+    // RxAndroid & RxJava
+    api 'io.reactivex.rxjava2:rxandroid:2.1.1'
+    api 'io.reactivex.rxjava2:rxjava:2.2.7'
+    api "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
+}

app/proguard-rules.pro

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+# 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

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:dist="http://schemas.android.com/apk/distribution"
+        package="com.branhamplayer.android.reactivesplitinstaller.app">
+
+    <dist:module
+            dist:instant="true"
+            dist:onDemand="false"
+            dist:title="@string/module_base">
+        <dist:fusing dist:include="true"/>
+    </dist:module>
+
+    <application
+            android:name=".App"
+            android:allowBackup="true"
+            android:icon="@mipmap/ic_launcher"
+            android:label="@string/app_name"
+            android:roundIcon="@mipmap/ic_launcher_round"
+            android:supportsRtl="true"
+            android:theme="@style/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN"/>
+
+                <category android:name="android.intent.category.LAUNCHER"/>
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

app/src/main/java/com/branhamplayer/android/reactivesplitinstaller/app/App.kt

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+package com.branhamplayer.android.reactivesplitinstaller.app
+
+import android.app.Application
+import android.content.Context
+import com.google.android.play.core.splitcompat.SplitCompat
+
+@Suppress("Unused")
+class App : Application() {
+    override fun attachBaseContext(base: Context?) {
+        super.attachBaseContext(base)
+        SplitCompat.install(this)
+    }
+}

app/src/main/java/com/branhamplayer/android/reactivesplitinstaller/app/MainActivity.kt

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+package com.branhamplayer.android.reactivesplitinstaller.app
+
+import android.content.Context
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import android.util.Log
+import android.view.View
+import androidx.appcompat.app.AppCompatActivity
+import androidx.appcompat.widget.AppCompatButton
+import androidx.appcompat.widget.AppCompatTextView
+import com.branhamplayer.android.reactivesplitinstaller.InstallationStatus
+import com.branhamplayer.android.reactivesplitinstaller.ReactiveSplitInstaller
+import com.google.android.play.core.splitcompat.SplitCompat
+import io.reactivex.disposables.CompositeDisposable
+import android.text.method.ScrollingMovementMethod
+import com.google.android.play.core.splitinstall.SplitInstallHelper
+
+
+class MainActivity : AppCompatActivity(), View.OnClickListener {
+
+    private var button1: AppCompatButton? = null
+    private var button2: AppCompatButton? = null
+    private var button3: AppCompatButton? = null
+    private var logView: AppCompatTextView? = null
+
+    private val compositeDisposable = CompositeDisposable()
+    private lateinit var installer: ReactiveSplitInstaller
+
+    override fun attachBaseContext(newBase: Context?) {
+        super.attachBaseContext(newBase)
+        SplitCompat.install(this)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_main)
+
+        installer = ReactiveSplitInstaller(this)
+
+        button1 = findViewById(R.id.feature_one)
+        button1?.setOnClickListener(this)
+
+        button2 = findViewById(R.id.feature_two)
+        button2?.setOnClickListener(this)
+
+        button3 = findViewById(R.id.unavailable_feature)
+        button3?.setOnClickListener(this)
+
+        logView = findViewById(R.id.log)
+        logView?.movementMethod = ScrollingMovementMethod()
+
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        compositeDisposable.dispose()
+    }
+
+    override fun onClick(view: View?) {
+
+        val moduleName = when (view) {
+            button1 -> getString(R.string.module_feature1)
+            button2 -> getString(R.string.module_feature2)
+            else -> "Does not exist"
+        }
+
+        if (view == button1) {
+            installer.addModule(moduleName)
+                .install()
+                .subscribe({ status ->
+                    Log.d("INSTALLER_STATUS", status::class.java.simpleName)
+                    logView?.appendLine(status::class.java.simpleName)
+
+                    when (status) {
+                        is InstallationStatus.Installed -> {
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                SplitInstallHelper.updateAppInfo(this@MainActivity)
+                            }
+
+                            launchActivity("com.branhamplayer.android.reactivesplitinstaller.feature1.FeatureOneActivity")
+                        }
+                    }
+                }, { exception ->
+                    Log.e("INSTALLER_STATUS", exception.message)
+                    logView?.appendLine("Error code: ${exception.message}")
+                }, {
+                    Log.d("INSTALLER_STATUS", "Done")
+                    logView?.appendLine("Done")
+                }).also {
+                    compositeDisposable.add(it)
+                }
+        }
+
+        if (view == button2) {
+            installer.addModule(moduleName)
+                .install()
+                .subscribe({ status ->
+                    Log.d("INSTALLER_STATUS", status::class.java.simpleName)
+                    logView?.appendLine(status::class.java.simpleName)
+
+                    when (status) {
+                        is InstallationStatus.Installed -> {
+                            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+                                SplitInstallHelper.updateAppInfo(this@MainActivity)
+                            }
+
+                            launchActivity("com.branhamplayer.android.reactivesplitinstaller.feature2.FeatureTwoActivity")
+                        }
+                    }
+                }, { exception ->
+                    Log.e("INSTALLER_STATUS", "Error code: ${exception.message}")
+                    logView?.appendLine("Error code: ${exception.message}")
+                }, {
+                    Log.d("INSTALLER_STATUS", "Done")
+                    logView?.appendLine("Done")
+                }).also {
+                    compositeDisposable.add(it)
+                }
+        }
+
+        if (view == button3) {
+            installer.addModule(moduleName)
+                .install()
+                .subscribe({ status ->
+                    Log.d("INSTALLER_STATUS", status::class.java.simpleName)
+                    logView?.appendLine(status::class.java.simpleName)
+                }, { exception ->
+                    Log.e("INSTALLER_STATUS", "Error code: ${exception.message}")
+                    logView?.appendLine("Error code: ${exception.message}")
+                }).also {
+                    compositeDisposable.add(it)
+                }
+        }
+    }
+
+    private fun launchActivity(className: String) {
+        val intent = Intent()
+        intent.setClassName(this, className)
+
+        startActivity(intent)
+    }
+
+    private fun AppCompatTextView.appendLine(text: String) {
+        this.append("$text\n")
+    }
+}

app/src/main/res/layout/activity_main.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+        xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:tools="http://schemas.android.com/tools"
+        xmlns:app="http://schemas.android.com/apk/res-auto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context="com.branhamplayer.android.reactivesplitinstaller.app.MainActivity">
+
+    <androidx.appcompat.widget.AppCompatButton
+            android:id="@+id/feature_one"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Load Instant Dynamic Feature Module 1"
+            app:layout_constraintVertical_chainStyle="spread"
+            app:layout_constraintBottom_toTopOf="@+id/feature_two"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toTopOf="parent"/>
+
+    <androidx.appcompat.widget.AppCompatButton
+            android:id="@+id/feature_two"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Load Instant Dynamic Feature Module 2"
+            app:layout_constraintVertical_chainStyle="spread"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintBottom_toTopOf="@+id/unavailable_feature"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/feature_one"/>
+
+    <androidx.appcompat.widget.AppCompatButton
+            android:id="@+id/unavailable_feature"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:text="Load Non-Existing Feature Module"
+            app:layout_constraintVertical_chainStyle="spread"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/feature_two"
+            app:layout_constraintBottom_toTopOf="@+id/log"/>
+
+    <androidx.appcompat.widget.AppCompatTextView
+            android:id="@+id/log"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:scrollbars="vertical"
+            android:maxLines="8"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintTop_toBottomOf="@+id/unavailable_feature"
+            app:layout_constraintBottom_toBottomOf="parent"/>
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/colors.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="colorPrimary">#008577</color>
+    <color name="colorPrimaryDark">#00574B</color>
+    <color name="colorAccent">#D81B60</color>
+</resources>

app/src/main/res/values/strings.xml

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+<resources>
+    <string name="app_name">Reactive Split Installer Demo</string>
+
+    <!-- region Modules -->
+
+    <string name="module_base">Base Module</string>
+    <string name="module_feature1">Instant Dynamic Feature Module 1</string>
+    <string name="module_feature2">Instant Dynamic Feature Module 2</string>
+
+    <!-- endregion -->
+</resources>

app/src/main/res/values/styles.xml

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+<resources>
+    <!-- Base application theme. -->
+    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
+        <!-- Customize your theme here. -->
+        <item name="colorPrimary">@color/colorPrimary</item>
+        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
+        <item name="colorAccent">@color/colorAccent</item>
+    </style>
+</resources>

assets/credits.txt

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+ic_launcher
+https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.type=clipart&foreground.clipart=assignment_returned&foreground.space.trim=1&foreground.space.pad=0.25&foreColor=rgb(255%2C%20255%2C%20255)&backColor=rgb(0%2C%20150%2C%20136)&crop=0&backgroundShape=square&effects=score&name=ic_launcher
+
+ic_launcher_round
+https://romannurik.github.io/AndroidAssetStudio/icons-launcher.html#foreground.type=clipart&foreground.clipart=assignment_returned&foreground.space.trim=1&foreground.space.pad=0.25&foreColor=rgb(255%2C%20255%2C%20255)&backColor=rgb(0%2C%20150%2C%20136)&crop=0&backgroundShape=circle&effects=score&name=ic_launcher_round
+
+feature-graphic
+https://www.norio.be/android-feature-graphic-generator/