Programming Tutorials

Introduction This code demonstrates the creation of a secondary progress bar in an Android application written in Kotlin. A secondary progress bar provides a visual indication of a sub-task within a larger task. The example showcases how to update both the primary and secondary progress bars while performing a background operation using a separate thread. Breakdown The code consists of two main parts: the MainActivity.kt file containing the Activity code and the activity_main.xml file defining the layout. MainActivity.kt: Variables: The class defines variables for the progress status (primary), secondary progress status, and a Handler object for updating the UI thread. onCreate: This method sets up the layout and retrieves references to the UI elements (button, text views, progress bar). Button Click Listener: Clicking the button triggers the following actions: Disables the button to prevent multiple clicks. Uses TransitionManager for a smooth animation when showing t...