让覆盖在下面层的视图接受触摸事件

Link Address:http://blog.163.com/lwd_xinghuo@126/blog/static/1682935782011528331843/

searchImage.exclusiveTouch = YES;//第一层
searchImage.userInteractionEnabled = NO;
myMapView.exclusiveTouch = NO;//第二层
myMapView.userInteractionEnabled = YES;