how to fit a button view exactly in centre at extreme bottom in all mobiles irrespective of size? how to acheive it?
A:Use a relative layout with a button with below properties?
B:Use a linear layout with a button with below properties?
C:Use a relative layout with a button with below properties
    android:layout_alignParentBottom=”true”
    android:layout_gravity=”centralhorizontal”
D:None are correct