Example:
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- (void)viewDidLoad
{ [super viewDidLoad]; // Do any additional setup after loading the view, typically from a nib. if (self.cPicker == nil) { [self.view setBackgroundColor:[UIColor grayColor]]; self.cPicker = [[VBColorPicker alloc] initWithFrame:CGRectMake(0, 0, 202, 202)]; [_cPicker setCenter:self.view.center]; [self.view addSubview:_cPicker]; [_cPicker setDelegate:self]; [_cPicker showPicker]; // set default YES! [_cPicker setHideAfterSelection:NO]; } } // set color from picker - (void) pickedColor:(UIColor *)color { [_rect setBackgroundColor:color]; [_cPicker hidePicker]; } - (void) touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { if (![_cPicker isHidden]) { [_cPicker hidePicker]; } } // show picker by double touch - (void) touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyObject]; if (touch.tapCount == 2) { [_cPicker setCenter:[touch locationInView:self.view]]; [_cPicker showPicker]; } } |