it is a simple library used for drag و drop and zoom any view like images for example.. you can get object from the library using --> +(MMGDrag_Drop*)getInstance; you just send the view or images thay you want to be dragged using -(int)arrayOfViewsToBeDragged_DropAndZoom:(NSArray*)viewsArray onView:(UIView*)mainView; //return --> 1 in case of success // --> 0 in case of array = nil // --> 2 in case of mainView = nil