Learn how to implement foreground services with notifications in Android that update as needed from coroutine.

Learn to implement BroadcastReceivers With Android Services to listen for custom intent actions to update Activity.

Learn how to implement communication with Android Services and activities to pass messages back and forth in your app.

Learn how to implement an Android Service to run background tasks to perform specific data operations for your application.

Learn how to implement Android ViewModel using a Repository with interfaces for clean architecture in your app.

Create an Android BroadcastReceiver to listen for custom actions sent by app to execute further necessary processing.

Implement an Android BroadcastReceiver to update UI through a ViewModel by observing state object in a singleton repository.

A solution to FCM multiple notifications being sent to user device when Android app is in background providing negative user experience.

Integrate Google User Messaging Platform and Admob in Android.

Use Android Compose to build a working analog clock face using a Canvas Composable.