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android - Return back to specific fragment of Activity-A from another Activity - Stack Overflow

Create your first app with fragments - Create a Flexible and Adaptive User Interface in Android with Java - OpenClassrooms

Activity state and fragment lifecycle in Android apps with Kotlin - LogRocket Blog

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Fragments and Action Bars –

java - How to send fragment edittext data to activity without buttons in the fragment - Stack Overflow

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Add Options Menu to Activity and Fragment

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