A custom photo viewer that implements device motion scrolling, inspired by Facebook Paper.

CocoaPods

• Add the dependency to your Podfile:

platform :ios
pod 'CRMotionView'
...

• Run pod install to install the dependencies.

Source files

Just clone this repository or download it in zip-file. Then you will find source files under CRMotionView directory. Copy them to your project.

• Import the header file to your view controller:

#import "CRMotionView.h"

• Create an instance

CRMotionView *motionView = [[CRMotionView alloc] initWithFrame:self.view.bounds];

• Set an image...

[motionView setImage:[UIImage imageNamed:@"Image"]];

• ... or set a generic view

UIView *myView = [UIView alloc] init...
[motionView setContentView:myView];

• Add to your view

[self.view addSubview:motionView];

• Additionally, if you need to disable motion

[motionView setMotionEnabled:NO];

• Full example:

CRMotionView *motionView = [[CRMotionView alloc] initWithFrame:self.view.bounds];
[motionView setImage:[UIImage imageNamed:@"Image"]];
[self.view addSubview:motionView];

• iOS 6.0 or higher
• ARC
• Core Motion

• UIScrollView's scroll bar indicator align not handled correctly in some cases.
• Device landscape orientation (Both, iPhone and iPad).

Anyone who would like to contribute to the project is more than welcome.

• Fork this repo
• Make your changes
• Submit a pull request

CRMotionView is released under the MIT license. See LICENSE.

Christian Roman

https://chroman.me

[email protected]

@chroman