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https://github.com/andreamazz/AMWaveTransition

Custom transition between viewcontrollers holding tableviews
https://github.com/andreamazz/AMWaveTransition

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Custom transition between viewcontrollers holding tableviews

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[![Build Status](https://travis-ci.org/andreamazz/AMWaveTransition.png)](https://travis-ci.org/andreamazz/AMWaveTransition)
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[![Carthage compatible](https://img.shields.io/badge/Carthage-compatible-4BC51D.svg?style=flat)](https://github.com/Carthage/Carthage)

Custom transition between viewcontrollers holding tableviews. Each cell is animated to simulate a 'wave effect'.

Read more about transitions [here](http://andreamazz.github.io/blog/2014/04/19/transitioning/) and UIKit Dynamics [here](http://andreamazz.github.io/blog/2014/05/22/uikit-dynamics/)





### Screenshot

![AMWaveTransition](https://raw.githubusercontent.com/andreamazz/AMWaveTransition/master/assets/screenshot.gif)

# Getting Started

## Install with CocoaPods

* Add ```pod 'AMWaveTransition'``` to your [Podfile](http://cocoapods.org/)
* Run ```pod install```
* Run ```open App.xcworkspace```

## Install with Carthage
```
github "andreamazz/AMWaveTransition"
```

## Setup as superclass

* Subclass ```AMWaveViewController``` and override ```visibleCells``` or follow these steps:

## Setup manually

Implement ```UINavigationControllerDelegate``` and this delegate method:
```objc
- (id)navigationController:(UINavigationController *)navigationController
animationControllerForOperation:(UINavigationControllerOperation)operation
fromViewController:(UIViewController*)fromVC
toViewController:(UIViewController*)toVC {
if (operation != UINavigationControllerOperationNone) {
// Return your preferred transition operation
return [AMWaveTransition transitionWithOperation:operation];
}
return nil;
}
```
Remember to set your instance as the navigation delegate:
```objc
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self.navigationController setDelegate:self];
}

- (void)dealloc {
[self.navigationController setDelegate:nil];
}
```

Implement th ```AMWaveTransitioning``` protocol by returning your tableview's visible cells:
```objc
- (NSArray*)visibleCells {
return [self.tableView visibleCells];
}
```

## Interactive gesture

To implement the interactive gesture create a new property in your view controller:
```objc
@property (strong, nonatomic) IBOutlet AMWaveTransition *interactive;
```
initialize it in your `viewDidLoad`:
```objc
self.interactive = [[AMWaveTransition alloc] init];
```
Attach the gesture recognizer in your `viewDidAppear:` and detach it in the `viewDidDisappear:`:
```objc
- (void)viewDidAppear:(BOOL)animated {
[super viewDidAppear:animated];
[self.interactive attachInteractiveGestureToNavigationController:self.navigationController];
}

- (void)viewDidDisappear:(BOOL)animated {
[super viewDidDisappear:animated];
[self.interactive detachInteractiveGesture];
}
```

If the view controller you are transitioning to has no table view, don't implement `visibleCells`, the library will handle the transition correctly.

As you can see in the sample project, the best results are obtained by setting the view and the cells' background to ```clearColor```, and setting a background color or a background image to the navigation controller.

# Author
[Andrea Mazzini](https://twitter.com/theandreamazz). I'm available for freelance work, feel free to contact me.

Want to support the development of [these free libraries](https://cocoapods.org/owners/734)? Buy me a coffee ☕️ via [Paypal](https://www.paypal.me/andreamazzini).

# Contributors
Thanks to [everyone](https://github.com/andreamazz/AMWaveTransition/graphs/contributors) kind enough to submit a pull request.

# MIT License

The MIT License (MIT)

Copyright (c) 2017 Andrea Mazzini

Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software is furnished to do so,
subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.