AN_Cloud Function: Base activity of the application.

BaseActivity.kt

abstract class BaseActivity : AppCompatActivity() {

    companion object {
        private const val TAG = "BaseActivity:"
        private const val RECEIVER_TAG = "BaseActivity-Receiver:"
    }

    private val localBroadcastManager: LocalBroadcastManager by lazy {
        LocalBroadcastManager.getInstance(this)
    }

    private val mMessageReceiver: BroadcastReceiver = object : BroadcastReceiver() {
        override fun onReceive(context: Context, intent: Intent) {
            // Get extra data included in the Intent
            intent.extras?.apply {
                getString(IN_AP_EX_STR_BODY)?.let { body ->
                    contentView?.snack(body)
                }
                Timber.tag(RECEIVER_TAG).i("Receive FCM message:  $this")
            } ?: run {
                Timber.tag(RECEIVER_TAG).i("Receive FCM message for remote config.")
                fetchRC()
            }
        }
    }

    override fun onResume() {
        super.onResume()
//Register the broadcast manager.
        localBroadcastManager.registerReceiver(mMessageReceiver, IntentFilter(INTENT_FCM))
// Here I will control if it's time to fetch the RC.
        app?.remoteConfigManager?.lastFetchedTime?.let {
            if (it.isTimeToFetch() || app?.remoteConfigManager?.isRCMSetByDefault == true) fetchRC()
        } ?: fetchRC()

//Here I detect if the user come into the application via 
//tap on notification and on this notification concerns Remote //configuration I will fetch new RC.
        intent.extras?.getString(RC_EXTRA_BACK_NOTIFICATION)?.let {
            fetchRC()
        }
    }

    private fun fetchRC() = app?.getRCF()?.fetchRemoteConfig { isItServiceUpdate, isFeatureOnBoardingVisible ->
        handleRcUpdate(isItServiceUpdate,isFeatureOnBoardingVisible)
    }

    override fun onPause() {
        super.onPause()
        localBroadcastManager.unregisterReceiver(mMessageReceiver)
    }
//The open function which I will override in other classes which inherit the BaseActivity.
    open fun handleRcUpdate(isItServiceUpdate: Boolean, isFeatureOnBoardingVisible: Boolean) {}

}