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// Creates an instance of SplitInstallManager.
val splitInstallManager = SplitInstallManagerFactory.create(context)

// Creates a request to install a module.
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.

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// Initializes a variable to later track the session ID for a given request.
var mySessionId = 0

// Creates a listener for request status updates.
val listener = SplitInstallStateUpdatedListener { state ->
    if (state.sessionId() == mySessionId) {
      // Read the status of the request to handle the state update.
    }
}

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splitInstallManager
    .startInstall(request)
    .addOnFailureListener { exception ->
        when ((exception as SplitInstallException).errorCode) {
            SplitInstallErrorCode.NETWORK_ERROR -> {
                // Display a message that requests the user to establish a
                // network connection.
            }
            SplitInstallErrorCode.ACTIVE_SESSIONS_LIMIT_EXCEEDED -> checkForActiveDownloads()
            ...

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override fun onStateUpdate(state : SplitInstallSessionState) {
    if (state.status() == SplitInstallSessionStatus.FAILED
        && state.errorCode() == SplitInstallErrorCode.SERVICE_DIES) {
       // Retry the request.
       return
    }
    if (state.sessionId() == mySessionId) {
        when (state.status()) {
            SplitInstallSessionStatus.DOWNLOADING -> {
              val totalBytes = state.totalBytesToDownload()

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override fun onSessionStateUpdate(state: SplitInstallSessionState) {
    if (state.status() == SplitInstallSessionStatus.REQUIRES_USER_CONFIRMATION) {
        // Displays a dialog for the user to either “Download”
        // or “Cancel” the request.
        splitInstallManager.startConfirmationDialogForResult(
          state,
          /* activity = */ this,
          // You use this request code to later retrieve the user's decision.
          /* requestCode = */ MY_REQUEST_CODE)
    }

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SplitInstallManager
    // Cancels the request for the given session ID.
    .cancelInstall(mySessionId)

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<application
    ...
    android:name="com.google.android.play.core.splitcompat.SplitCompatApplication">
</application>

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class MyApplication : SplitCompatApplication() {
    ...
}

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

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// Generate a new context as soon as a request for a new module
// reports as INSTALLED.
override fun onStateUpdate(state: SplitInstallSessionState ) {
    if (state.sessionId() == mySessionId) {
        when (state.status()) {
            ...
            SplitInstallSessionStatus.INSTALLED -> {
                val newContext = context.createPackageContext(context.packageName, 0)
                // If you use AssetManager to access your app’s raw asset files, you’ll need
                // to generate a new AssetManager instance from the updated context.

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//To check if a module is already installed
val installedModules: Set<String> = splitInstallManager.installedModules

//To Uninstall modules
splitInstallManager.deferredUninstall(listOf("pictureMessages", "promotionalFilters"))