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copied!<p>I setup a long press (<code>UILongPressGestureRecognizer</code>) in <code>viewDidLoad:</code> but it just detect the only one touch from the first.</p> <p><strong>Where can i setup a long press to detect all touch?</strong> (it means the map ready everytime waiting user touch to screen to push a pin)</p> <p>The <code>viewDidLoad:</code> method!</p> <pre><code>- (void)viewDidLoad { [super viewDidLoad];mapView.mapType = MKMapTypeStandard; UILongPressGestureRecognizer *longPressGesture = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPressGesture:)]; [self.mapView addGestureRecognizer:longPressGesture]; [longPressGesture release]; mapAnnotations = [[NSMutableArray alloc] init]; MyLocation *location = [[MyLocation alloc] init]; [mapAnnotations addObject:location]; [self gotoLocation]; [self.mapView addAnnotations:self.mapAnnotations]; } </code></pre> <p>and the <code>handleLongPressGesture</code> method:</p> <pre><code>-(void)handleLongPressGesture:(UIGestureRecognizer*)sender { // This is important if you only want to receive one tap and hold event if (sender.state == UIGestureRecognizerStateEnded) {NSLog(@"Released!"); [self.mapView removeGestureRecognizer:sender]; } else { // Here we get the CGPoint for the touch and convert it to latitude and longitude coordinates to display on the map CGPoint point = [sender locationInView:self.mapView]; CLLocationCoordinate2D locCoord = [self.mapView convertPoint:point toCoordinateFromView:self.mapView]; // Then all you have to do is create the annotation and add it to the map MyLocation *dropPin = [[MyLocation alloc] init]; dropPin.latitude = [NSNumber numberWithDouble:locCoord.latitude]; dropPin.longitude = [NSNumber numberWithDouble:locCoord.longitude]; // [self.mapView addAnnotation:dropPin]; [mapAnnotations addObject:dropPin]; [dropPin release]; NSLog(@"Hold!!"); NSLog(@"Count: %d", [mapAnnotations count]); } } </code></pre>

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