Android App Bundle: Launch Activity from Dynamic Feature Modules

android {
    ...
    buildTypes {
        release {
            // shrinkResources true
            // ERROR: Resource shrinker cannot be used for multi-apk applications: https://issuetracker.google.com/issues/120517460
            // minifyEnabled will enable R8 Code Shrinking
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android.txt'),
                    'proguard-rules.pro'
        }
    }
}

apply plugin: 'com.android.dynamic-feature'

apply plugin: 'kotlin-android'
apply plugin: 'kotlin-kapt'
apply plugin: 'kotlin-android-extensions'

android {
    compileSdkVersion 28

    defaultConfig {
        minSdkVersion 17
        targetSdkVersion 28
        // I assume the following is not required for dynamic feature module
        // versionCode 1
        // versionName "1.0"
        vectorDrawables.useSupportLibrary = true
    }

    compileOptions {
        sourceCompatibility = JavaVersion.VERSION_1_8
        targetCompatibility = JavaVersion.VERSION_1_8
    }

    kotlinOptions {
        jvmTarget = JavaVersion.VERSION_1_8
    }
}

androidExtensions {
    // https://kotlinlang.org/docs/tutorials/android-plugin.html#experimental-mode
    experimental = true
}

dependencies {
    implementation fileTree(dir: 'libs', include: ['*.jar'])
    implementation project(':app')

    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:$kotlin_version"
    implementation "androidx.core:core-ktx:$ktx_version"
    implementation "androidx.fragment:fragment-ktx:$ktx_fragment_version"

    implementation "androidx.appcompat:appcompat:$appcompat_version"
    implementation "com.google.android.material:material:$material_version"
    implementation "android.arch.lifecycle:extensions:$lifecycle_version"
    implementation "androidx.constraintlayout:constraintlayout:$constraint_layout_version"
}

import com.luasoftware.quotemaker.R // R from current moduleimport com.luasoftware.nuanxindan.R as appR // R from app moduleclass QuoteMakerXActivity : AppCompatActivity() {    override fun onCreate(savedInstanceState: Bundle?) {        super.onCreate(savedInstanceState)        setContentView(R.layout.quotemakerx)        setSupportActionBar(toolbar)        title = getString(R.string.title_activity_quote_makerx)    }    override fun attachBaseContext(base: Context) {        super.attachBaseContext(base)        // Emulates installation of on demand modules using SplitCompat.        SplitCompat.installActivity(this)    }}

<?xml version="1.0" encoding="utf-8"?>
<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".view.QuoteMakerXActivity">

    <com.google.android.material.appbar.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <androidx.appcompat.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/AppTheme.PopupOverlay" />

    </com.google.android.material.appbar.AppBarLayout>

    <include layout="@layout/quotemakerx_content" />

    <com.google.android.material.floatingactionbutton.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|end"
        android:layout_margin="@dimen/fab_margin"
        app:srcCompat="@android:drawable/ic_dialog_email" />

</androidx.coordinatorlayout.widget.CoordinatorLayout>

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    app:layout_behavior="@string/appbar_scrolling_view_behavior"
    tools:context=".view.TestActivity"
    tools:showIn="@layout/test">

</androidx.constraintlayout.widget.ConstraintLayout>

<?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.luasoftware.quotemaker">

    <dist:module
        dist:instant="false"
        dist:title="@string/title_quotemaker">
        <dist:delivery>
            <dist:on-demand />
        </dist:delivery>

        <dist:fusing dist:include="true" />
    </dist:module>

    <application>
        <!-- android:label="@string/title_activity_quote_makerx" -->
        <activity
            android:name=".view.QuoteMakerXActivity"
            android:screenOrientation="portrait"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.VIEW" />
            </intent-filter>
        </activity>
    </application>
</manifest>

dependencies {
    implementation 'com.google.android.play:core:1.6.4'
}

class LuaApp: MultiDexApplication() {    override fun onCreate() {        super.onCreate()    }    override fun attachBaseContext(base: Context) {        super.attachBaseContext(base)        // Emulates installation of future on demand modules using SplitCompat.        SplitCompat.install(this)    }}

fun launchActivity(id: String) {    val packageName = "com.luasoftware.quotemaker"    val activityClassName = "$packageName.view.QuoteMakerXActivity"    val intent = Intent(Intent.ACTION_VIEW).setClassName(            BuildConfig.APPLICATION_ID, // BuildConfig of app Module            activityClassName        )        .putExtra("id", id)    startActivity(intent)}

val moduleName = "quotemaker"fun loadModule() {    val splitInstallManager = SplitInstallManagerFactory.create(context)    if (!splitInstallManager.installedModules.contains(moduleName)) {        Timber.d("Install module: $moduleName")        val request =            SplitInstallRequest                .newBuilder()                // You can download multiple on demand modules per                // request by invoking the following method for each                // module you want to install.                .addModule(moduleName)                // .addModule("promotionalFilters")                .build()        // TODO: move listener code and activeSessionId to ViewModel        var activeSessionId: Int? = null        var listener: SplitInstallStateUpdatedListener? = null        listener = SplitInstallStateUpdatedListener { state ->            if (state.sessionId() == activeSessionId) {                when(state.status()) {                    SplitInstallSessionStatus.DOWNLOADING -> {                        val percentage = (state.bytesDownloaded() / state.totalBytesToDownload().toFloat() * 100).roundToInt()                        Timber.d("Downloading $percentage%")                    }                    SplitInstallSessionStatus.INSTALLED -> {                        launchActivity()                        splitInstallManager.unregisterListener(listener)                    }                    SplitInstallSessionStatus.FAILED -> {                        splitInstallManager.unregisterListener(listener)                    }                    else -> {                    }                }            }        }        splitInstallManager.registerListener(listener)        // TODO: need to show some UI loading screen        splitInstallManager            // Submits the request to install the module through the            // asynchronous startInstall() task. Your app needs to be            // in the foreground to submit the request.            .startInstall(request)            // You should also be able to gracefully handle            // request state changes and errors. To learn more, go to            // the section about how to Monitor the request state.            .addOnSuccessListener { sessionId ->                // should not launch activity here, as success doesn't mean the module is installed                // listen to SplitInstallStateUpdatedListener event instead                // launchActivity("SAMPLE_ID")                activeSessionId = sessionId            }            .addOnFailureListener { exception ->                when ((exception as SplitInstallException).errorCode) {                    SplitInstallErrorCode.NETWORK_ERROR -> {                        Timber.d("Network Error")                    }                    else -> {                        Timber.e(exception, "splitInstallManager failed")                    }                }            }    }    else {        Timber.d("Module found: $moduleName")        launchActivity("SAMPLE_ID")    }}

splitInstallManager.deferredUninstall(listOf(moduleName))