Buttons

  <!--  Button ~ set time for alarm -->
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Set Alarm"
        android:onClick="showTimerPickerFragment"
        android:background="@color/colorAccent"
        android:layout_marginTop="16dp"
        android:textColor="#ffffff" />

    <!--  Button ~ cancel time alarm -->
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="Cancel Alarm"
        android:onClick="cancelAlarm"
        android:background="#ffffff"
        android:layout_marginTop="16dp"
        android:textColor="@color/colorAccent" />