Difference between android:layout_gravity and android:gravity

I'm some what new to android and I'm really confused very much about the difference between parameters android:layout_gravity and android:gravity. So can someone please help me on using these.
Thank you!

Answer

android:layout_gravity is the gravity related to your whole Layout like LinearLayout,Relative layout and android:gravity is the gravity related to your particular view like Button,EditText..etc
Hope this helps