A wonderful loading animation.

SGLoadingAnimatingView *loadingView=[SGLoadingAnimatingView new];

[loadingView startAnimating];

1. Add pod 'SGLoadingAnimatingView','~> 1.0.1' to your Podfile.
2. Run pod install or pod update.
3. Import <SGLoadingAnimatingView/SGLoadingAnimatingView.h>.

SGControllerTransition is provided under the MIT license. See LICENSE file for details.