A game development hobby project inspired this app developer to figure out a way to create a transparent progress dialog that animates an image. He describes how to do it.

You create a dynamic menu in the Android app resource file and call the menu you want when the user makes a choice. You use the main app's Java file to write the code that loads the dynamic menu ...

Explore Java for mobile app development: how to create Android apps in 2025 with this reliable programming language.

The Android SDK uses XML to set up screens for the widget, so you must use XML to create a Webview screen for your app.