Android DebugPort allows you to write and execute code within your app's context, at runtime, and from the comfort of your desktop computer's terminal. Think of it as a window into your application through which you can both inspect and modify its state.
It's a library which provide easy to use progress bar, progress can be changed to success or failure state depending on operation result.
Fun to use Floating Action Button (FAB) view for Android 4.0 and higher.