Bottom Align Floating Action Button

Question

I want to align to bottom right my FAB.

1. I tried with android:gravity=\"bottom|right\"
2. When I try android:layout_alignParentBottom=\

Answer 1

For RelativeLayout:

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For CoordinatorLayout, you should use android:layout_gravity="end|bottom"

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For ConstraintLayout:

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See this answer for more information.