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2014/10/15 ¤U¤È 10:04:46
iphone Programming Glossary: buttonreleasedRandom number function is misfiring http://stackoverflow.com/questions/1068350/random-number-function-is-misfiring requires a random integer from 1 100. I have a button that calls the random number function then displays it. IBAction buttonReleased srandom time NULL int theNum random 100 1 numberDisplay.text NSString stringWithFormat @ d theNum The problem is if I press..
UITapGestureRecognizer on a UIButton http://stackoverflow.com/questions/4105293/uitapgesturerecognizer-on-a-uibutton events provided. First declare these two methods in your .h file IBAction buttonPressed UIButton button IBAction buttonReleased UIButton button Use IBAction if you're going to use IB to hook up the events otherwise just use void. Next in IB for each.. UIControlEventTouchDown Next in IB for each button hook up the Touch Up Inside and Touch Up Outside events with buttonReleased . Or to do it programmatically button1 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside.. and Touch Up Outside events with buttonReleased . Or to do it programmatically button1 addTarget self action @selector buttonReleased forControlEvents UIControlEventTouchUpInside UIControlEventTouchUpOutside button2 addTarget self action @selector buttonReleased..
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