The Art of Doing: Dive Into Android Development with Kotlin - onSaveInstanceState

The video tutorial explains how to handle data persistence in Android apps during screen rotations using the onSaveInstanceState lifecycle method. It demonstrates how to override this method to save data in a bundle and retrieve it in onCreate. The tutorial uses examples from two apps, 'Motivate Me' and 'Counter', to illustrate the process of storing and retrieving data using key-value pairs in a bundle. The video concludes by acknowledging the limitations of this method and hints at future solutions.

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