When you install an app from Google Play on a device running Android 6.0 and up or on a device, you control which capabilities
or information that app can access - known as permissions. You can control which permissions an app can access after the app installs on your device.
How to convert website into android application using Android Studio.
You can roll your own web browser or simply display some online content within your application.
You will need to use WebView(XML) and java class for doing that.
The Facebook SDK for Android enables people to sign into your app with Facebook Login.
Your app with Facebook they can grant permissions to your app so you can retrieve information.
If people don't have the Facebook Android applicaton installed. Facebook Login display the login screen in your application.
Android tutorial about integrating Google AdMob in apps and start earning.
Learn about ad targeting and interstitial ad guidance. Interstitial ads are full-screen ads that cover the interface of their host app
EventBus - Android optimized event bus that simplifies communication between Activities, Fragments.
how to use popular android EventBus library to communicate between different components in your application using events.