objective c - Custom gesture not sending action message -


i have created uigesturerecognizer subclass called longpressgesturerecognizer simulate long press gesture. (yes, know concrete subclass exists, i'm learning objective-c , experimenting bit.)

i have overridden following methods :

- (void)touchesbegan:(nsset *)touches withevent:(uievent *)event {     self.state = uigesturerecognizerstatepossible;     [self performselector:@selector(setstate:) withobject:[nsnumber numberwithint:uigesturerecognizerstaterecognized] afterdelay:2]; }  - (void)touchescancelled:(nsset *)touches withevent:(uievent *)event {     [nsobject cancelpreviousperformrequestswithtarget:self];     self.state = uigesturerecognizerstatecancelled; }  - (void)touchesended:(nsset *)touches withevent:(uievent *)event {     [nsobject cancelpreviousperformrequestswithtarget:self];     self.state   = uigesturerecognizerstatefailed; }

and in view controller property recognizer store gesture recogniser, have following code:

- (longpressgesturerecognizer *)recognizer {     if (!_recognizer) {         _recognizer = [[longpressgesturerecognizer alloc] init];     }     return _recognizer; }  - (void)viewdidload {     [super viewdidload];     [self.recognizer addtarget:self action:@selector(log:)];      [self.view addgesturerecognizer:self.recognizer]; }  - (ibaction)log:(longpressgesturerecognizer *)recognizer {     //blah blah blah }

my problem log: not getting called @ all... logging uigesturerecogniserstates in console, know gesture recogniser working expected far states concerned...

what doing wrong here?

there may other issues well, can tell -performselector:withobject:afterdelay: call isn't going work way you're hoping; you'll end passing pointer nsnumber object instead of int, state set kind of junk value. create method self.state = uigesturerecognizerstaterecognized , call instead.


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