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    <p><strong>UPDATE:</strong></p> <p>Here is the code I use in order to detect tap on buttons added to my infoWindows. I create a custom infoWindow with 2 fake buttons (they could actually replaced by images because they won't trigger any action) and I add a completely transparent overlay with 2 real buttons over the infoWindow. These buttons will trigger the actions.</p> <p>And I use a few delegate methods or KVC in order to move the overlay when the infoWindow itself is moved. </p> <pre><code>- (UIView *)mapView:(GMSMapView *)mapView markerInfoWindow:(GMSMarker *)marker { [self.actionOverlayCalloutView removeFromSuperview]; UIView *calloutView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, infoWindowWidth, infoWindowHeight)]; float offset = anchorSize * M_SQRT2; CGAffineTransform rotateBy45Degrees = CGAffineTransformMakeRotation(M_PI_4); UIView *arrow = [[UIView alloc] initWithFrame:CGRectMake((infoWindowWidth - anchorSize)/2.0, infoWindowHeight - offset, anchorSize, anchorSize)]; arrow.transform = rotateBy45Degrees; arrow.backgroundColor = [UIColor lightGrayColor]; [calloutView addSubview:arrow]; UIView *contentView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, infoWindowWidth, infoWindowHeight - offset/2)]; [contentView setBackgroundColor:[UIColor whiteColor]]; contentView.layer.cornerRadius = 5; contentView.layer.masksToBounds = YES; contentView.layer.borderColor = [UIColor lightGrayColor].CGColor; contentView.layer.borderWidth = 1.0f; self.actionOverlayCalloutView = [NSKeyedUnarchiver unarchiveObjectWithData:[NSKeyedArchiver archivedDataWithRootObject:contentView]]; //hack to copy a view... self.actionOverlayCalloutView.backgroundColor = [UIColor lightGrayColorWithAlpha:0.5]; self.actionOverlayCalloutView.layer.cornerRadius = 5; NSMutableArray *falseButtons = [NSMutableArray array]; NSMutableArray *actionButtons = [NSMutableArray array]; PointMapItem *pointAnnotation = marker.userData; if ([pointAnnotation canPerformSend]) { UIButton *button = [[UIButton alloc] init]; [button setImage:[UIImage imageNamed:@"imageButton1.png"] forState:UIControlStateNormal]; [falseButtons addObject:button]; UIButton *activableButton = [[UIButton alloc] init]; [activableButton addTarget:self action:@selector(onButton1Clicked) forControlEvents:UIControlEventTouchUpInside]; [actionButtons addObject:activableButton]; } if ([pointAnnotation canPerformShowDetails]) { UIButton *button = [[UIButton alloc] init]; [button setImage:[UIImage imageNamed:@"imageButton1.png"] forState:UIControlStateNormal]; [falseButtons addObject:button]; UIButton *activableButton = [[UIButton alloc] init]; [activableButton addTarget:self action:@selector(onButton2Clicked) forControlEvents:UIControlEventTouchUpInside]; [actionButtons addObject:activableButton]; } int buttonWidth = contentView.frame.size.width / [falseButtons count]; int currentOffset = 0; for (int i=0; i&lt;falseButtons.count; i++) { UIButton *falseButton = [falseButtons objectAtIndex:i]; UIButton *activableButton = [actionButtons objectAtIndex:i]; [falseButton setFrame:CGRectMake(currentOffset, 0, buttonWidth, contentView.frame.size.height)]; currentOffset += buttonWidth; activableButton.frame = falseButton.frame; [activableButton setTitle:@"" forState:UIControlStateNormal]; [self.actionOverlayCalloutView addSubview:activableButton]; [contentView addSubview:falseButton]; } [calloutView addSubview:contentView]; CLLocationCoordinate2D anchor = [self.mapView.selectedMarker position]; CGPoint point = [self.mapView.projection pointForCoordinate:anchor]; point.y -= self.mapView.selectedMarker.icon.size.height + offset/2 + (infoWindowHeight - offset/2)/2; self.actionOverlayCalloutView.center = point; [self.mapView addSubview:self.actionOverlayCalloutView]; return calloutView; } - (void)mapView:(GMSMapView *)pMapView didChangeCameraPosition:(GMSCameraPosition *)position { if (pMapView.selectedMarker != nil &amp;&amp; self.actionOverlayCalloutView.superview) { CLLocationCoordinate2D anchor = [self.mapView.selectedMarker position]; CGPoint point = [self.mapView.projection pointForCoordinate:anchor]; float offset = anchorSize * M_SQRT2; point.y -= self.mapView.selectedMarker.icon.size.height + offset/2 + (infoWindowHeight - offset/2)/2; self.actionOverlayCalloutView.center = point; } else { [self.actionOverlayCalloutView removeFromSuperview]; } } - (void)mapView:(GMSMapView *)mapView didTapAtCoordinate:(CLLocationCoordinate2D)coordinate { [self.actionOverlayCalloutView removeFromSuperview]; } - (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context { if ([keyPath isEqualToString:@"mapView.selectedMarker"]) { if (!self.mapView.selectedMarker) { [self.actionOverlayCalloutView removeFromSuperview]; } } } - (void)onButton2Clicked { //your code self.mapView.selectedMarker = nil; } - (void)onButton1Clicked { // your code; self.mapView.selectedMarker = nil; } </code></pre> <p><strong>FORMER POST:</strong></p> <p>Have a look at this thread and specifically at #9, should be helpful <a href="https://code.google.com/p/gmaps-api-issues/issues/detail?id=4961" rel="nofollow">https://code.google.com/p/gmaps-api-issues/issues/detail?id=4961</a></p>
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    1. POAdd buttons to view returned by markerInfoWindow delegate method
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    1. COWhile this link may answer the question, it is better to include the essential parts of the answer [here](http://meta.stackexchange.com/a/8259) and provide the link for reference. Link-only answers can become invalid if the linked page changes.
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