toggle

snippet.txt

    -(void)setToggle:(BOOL)arg
    {
        ...

        [toggleButton removeFromSuperview];
        toggleButton = Nil;

        if(arg)
        {
            ...

            toggleButton = [[UIView alloc] initWithFrame:CGRectMake(295,0,25,25)];
            UITapGestureRecognizer* tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(togglePiano:)];
            [toggleButton addGestureRecognizer:tap];
            toggleButton.backgroundColor = [UIColor clearColor];
            [self addSubview:toggleButton];
            [tap release];
        }
    }