that synthesizes the classic principles of good design with the innovation and possibility of technology and science.” Introduced by Google in 2014, Material Design makes more liberal use of grid-based layouts, responsive animations and transitions.
Notifications including new content areas, interactions, user controls, and short text input • Widgets contains guidance on user engagement, retention, and acquisition.
to the end of the CoordinatorLayout. <android.support.design.widget.FloatingActionButton android:id="@+id/fab" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="right|bottom" android:layout_marginBottom="@dimen/md_keylines" android:layout_marginRight="@dimen/md_keylines" android:src="@drawable/ic_add_white_24dp" /> FAB