Comprehensive Android Developer Bootcamp - Android Fragment from Code

The video tutorial explains how to use frame layouts and fragment managers in Android development. It covers setting up a fragment manager, creating and adding fragments programmatically, and executing fragment transactions. The tutorial emphasizes the flexibility of using fragments to dynamically update the user interface at runtime.

How does the code ensure compatibility with older versions of Android?

What is the significance of using 'getSupportFragmentManager'?

What is the role of the 'if' statement when checking for a null fragment?