Phased Solver

        <Button

            android:id="@+id/solverScramble"

            android:layout_width="0dp"

            android:layout_height="match_parent"

            android:layout_weight="1.0"

            android:gravity="center_vertical|center"

            android:text="@string/scramble"

            android:onClick="Scramble"

            android:textAppearance="?android:attr/textAppearanceMedium"

            android:layout_gravity="center_vertical"/>