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2014/10/15 ¤U¤È 10:15:16
iphone Programming Glossary: uicontroleventtouchupoutsideStrange UIButton behavior: Is that normal? http://stackoverflow.com/questions/1300528/strange-uibutton-behavior-is-that-normal it but then moves the finger outside the button and untouches the screen. So that seems like I need to listen for the UIControlEventTouchUpOutside event. In my view controller I did this UIButton bt UIButton alloc initWithFrame rect bt setBackgroundColor UIColor whiteColor.. rect bt setBackgroundColor UIColor whiteColor bt addTarget self action @selector onTouchUpOutside forControlEvents UIControlEventTouchUpOutside self.view addSubview bt and the corresponding action method void onTouchUpOutside NSLog @ touchUpOutside now guess what..
iPhone : How to set BackgroundColor of UIButton with buttonType UIButtonTypeCustom http://stackoverflow.com/questions/4049103/iphone-how-to-set-backgroundcolor-of-uibutton-with-buttontype-uibuttontypecust UIControlEventTouchUpInside self addTarget self action @selector didUnTapButtonForHighlight forControlEvents UIControlEventTouchUpOutside id init self super init if self self setupButton return self id initWithCoder NSCoder aDecoder self super initWithCoder..
UITapGestureRecognizer on a UIButton http://stackoverflow.com/questions/4105293/uitapgesturerecognizer-on-a-uibutton programmatically button1 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside button2 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside.. button2 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside button3 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside.. button3 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside Next add ivars to keep track of how many or which buttons are pressed int numberOfButtonsBeingTouched NSMutableSet buttonsBeingTouched..
How do you get the touchesBegan coordinates when a UIButton is triggered? http://stackoverflow.com/questions/4506584/how-do-you-get-the-touchesbegan-coordinates-when-a-uibutton-is-triggered myButton addTarget self action @selector dragEnded withEvent forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside Handle the events as the following you can get the touch point from the event ev as below void dragBegan UIControl c withEvent..
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