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

android:gravity is used to specify how to place the content of the object within the object itself. In another word, android:gravity is used to specify the gravity of the content of the view.

android:layout_gravity is an attribution the child can supply to its parent, to specify the gravity the view within its parents.

For more details you can visit

http://developer.android.com/reference/android/widget/LinearLayout.LayoutParams.html