Transform an old Android device into a self-hosted music server, pocket player, and retro visualizer.

There are various situations such as when the screen orientation is rotated where the Activity can actually be destroyed and removed from memory and then re-created from scratch again. In these ...

When an app has layout content that might be longer than the height of the device and that content should be vertically scrollable, then we need to use a ScrollView. Note that a ScrollView can only ...