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![4. The Activity Lifecycle: Being an Activity - Head First Android Development, 2nd Edition [Book]](https://www.oreilly.com/api/v2/epubs/9781491974049/files/assets/ch03_f0130_01.png "4. The Activity Lifecycle: Being an Activity - Head First Android Development, 2nd Edition [Book]")
4. The Activity Lifecycle: Being an Activity - Head First Android Development, 2nd Edition [Book]
android - Change application's starting activity - Stack Overflow
