Lockscreen: Glowpad Alignment - Multi DPI, Tested on sgs, sgs2, sgs3 and GNex

        <com.android.internal.widget.multiwaveview.GlowPadView

            android:id="@+id/unlock_widget"

            android:orientation="horizontal"

            android:layout_width="match_parent"

            android:layout_height="match_parent"

            android:layout_width="wrap_content"

            android:layout_height="wrap_content"

            android:layout_alignParentBottom="true"

            android:gravity="top"

            android:layout_centerHorizontal="true"

            android:layout_centerVertical="true"

            android:paddingLeft="8dip"

            android:paddingRight="8dip"

            android:focusable="true"

            android:targetDrawables="@array/lockscreen_targets_with_camera"