private void initValueEditText( Context context){
		value = new Integer( 0 );
		valueText = new EditText( context );
		// Since we're a number that gets affected by the button, we need to be 
		// ready to change the numeric value with a simple ++/--, so whenever 
		// the value is changed with a keyboard, convert that text value to a 
		// number. We can set the text area to only allow numeric input, but  
		// even so, a carriage return can get hacked through. To prevent this 
		// little quirk from causing a crash, store the value of the internal 
		// number before attempting to parse the changed value in the text area 
		// so we can revert to that in case the text change causes an invalid 
		// number 
		valueText.setOnKeyListener(new View.OnKeyListener() {
			public boolean onKey(View v, int arg1, KeyEvent event) {
				int backupValue = value;
				try { 
					value = Integer.parseInt( ((EditText)v).getText().toString() );
				} catch( NumberFormatException nfe ){
					value = backupValue;
				return false; 
		// Highlight the number when we get focus 
		valueText.setOnFocusChangeListener(new View.OnFocusChangeListener() {
			public void onFocusChange(View v, boolean hasFocus) {
				if( hasFocus ){
		valueText.setGravity( Gravity.CENTER_VERTICAL | Gravity.CENTER_HORIZONTAL );
		valueText.setText( value.toString() );
		valueText.setInputType( InputType.TYPE_CLASS_NUMBER );
	private void initDecrementButton( Context context){
		decrement = new Button( context );
		decrement.setTextSize( 25 );
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