A subclass of UIImagePIckerController that support multi select.
- Drag MSImagePicker to your project.
#import "MSImagePickerController.h"
MSImagePickerController* picker = [[MSImagePickerController alloc] init];
picker.msDelegate = self;
- implementation MSImagePickerDelegate.
- ios7 or higher.
- The PUCollectionView's base class is UICollectionView, so we can reset it's delegate.
- Through runtime we can customized it's method
