<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>

<TextView
    android:id="@+id/PlusMinusOneCounterTextView"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:layout_gravity="center"
    android:gravity="center"
    android:text="@string/PlusMinusOneCounterDefaultValue"
    android:textSize="75sp"
    />

<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:orientation="vertical"
    >

    <Button
        android:id="@+id/PlusOneButton"
        android:layout_gravity="top"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_weight="1"
        android:text="@string/PlusOneButtonText"
        android:gravity="center|top"
        android:textSize="50sp"
        android:background="@android:color/transparent"/>

    <Button
        android:id="@+id/MinusOneButton"
        android:layout_gravity="bottom"
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_weight="1"
        android:text="@string/MinusOneButtonText"
        android:gravity="center|bottom"
        android:textSize="50sp"
        android:background="@android:color/transparent"/>
</LinearLayout>
 </RelativeLayout>

private void setCounterTextViewValue( Integer _newValue )
{
    if( m_сounterTextView == null )
        m_сounterTextView = ( TextView ) findViewById( R.id.PlusMinusOneCounterTextView );

    m_сounterTextView.setText( _newValue.toString() );
}

Button plusOneButton = ( Button ) findViewById( R.id.PlusOneButton );
plusOneButton.setOnClickListener(
    new View.OnClickListener() {
        @Override
        public void onClick( View v )
        {
              try
              {
                  m_plusMinusOneCounter.increment();
                  setCounterTextViewValue( m_plusMinusOneCounter.getValue() );

              }
              catch ( LessThanMinValueException | MoreThanMaxValueException e )
              {
                  // Do nothing
              }
          }
    }
);

<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    android:background="#000000">