public void addOpacityBar(OpacityBar bar) {
		mOpacityBar = bar;
		// Give an instance of the color picker to the Opacity bar.
		mOpacityBar.setColorPicker(this);
		mOpacityBar.setColor(mColor);
	}
public void addOpacityBar ( OpacityBar bar ) { mOpacityBar = bar ; mOpacityBar . setColorPicker ( this ) ; mOpacityBar . setColor ( mColor ) ; }
Add a Opacity bar to the color wheel.

@param bar The instance of the Opacity bar.