objective-c gesture recognizer calling multiple time till state end

In viewdidLoad

UILongPressGestureRecognizer *longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(longPress:)];

    longPress.minimumPressDuration=1.0f;

    [self.deleteDigitButton addGestureRecognizer:longPress];

Long press button

timer is being used to call itself through longPress timer function

- (void)longPress:(UILongPressGestureRecognizer*)gesture {

    

    if( gesture.state == UIGestureRecognizerStateBegan ) {

        NSLog(@"DialerViewController.Long Press");

        

        NSString *digits = [PhoneNumberFormatter unformat: self.TextField.text];

        if(digits.length > 0 && (gesture.state != UIGestureRecognizerStateEnded || gesture.state != UIGestureRecognizerStateCancelled || gesture.state != UIGestureRecognizerStateFailed)) {

            digits = [digits substringToIndex:digits.length - 1];

            self.TextField.text = [PhoneNumberFormatter format:digits];

            [self.TextField setNeedsDisplay];

            

            NSTimeInterval timeInterval = 0.1; //seconds

            [NSTimer scheduledTimerWithTimeInterval:timeInterval

                                             target:self

                                           selector:@selector(longPressTimer:)

                                           userInfo:gesture

                                           repeats:NO];

            

        }

    }

}

longPressTimer function

-(void)longPressTimer:(NSTimer *)timer{

    UILongPressGestureRecognizer *gesture = [timer userInfo];

    [self longPress:gesture];

}