What is the difference between gravity and layout_gravity in Android?

Question

I know we can set the following values to the android:gravity and android:layout_gravity properties:

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Answer 1

The difference

android:layout_gravity is the Outside gravity of the View. Specifies the direction in which the View should touch its parent's border.

android:gravity is the Inside gravity of that View. Specifies in which direction its contents should align.

HTML/CSS Equivalents

Android                 | CSS
————————————————————————+————————————
android:layout_gravity  | float
android:gravity         | text-align

Easy trick to help you remember

Take layout-gravity as "Lay-outside-gravity".