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HHTransition

★ 841 Open GitHub ↗

主流转场动画，无侵入，API简单易用。

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**主流转场动画**

### 1、HHTransition优势
1、API只有两个方法，易调用 
2、面向切面编程，无侵入，不需要在VC中设置代理 
3、易扩展，只需要重写转场对象即可
### 2、HHTransition不足
1、不够灵活，对于同一个转场对象无法设置不同的转场时间 
2、如果需要传参，需要通过协议传递，漏写协议，编译时无法发现问题
### 3、类图
![](https://upload-images.jianshu.io/upload_images/1801563-9c8cab90ab230e9d.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
### 4、使用说明
#### 1、API使用
```objc
//present转场
- (void)hh_presentViewController:(UIViewController *)viewController presentStyle:(HHPresentStyle)presentStyle completion:(void (^__nullable)(void))completion
//push转场
- (void)hh_pushViewController:(UIViewController *)viewController style:(HHPushStyle)style;
```
例如：
```objc
[testViewController hh_presentViewController:viewController presentStyle:HHPresentStyleSlipFromTop completion:nil];
```
#### 2、扩展性
1、在`HHTransitionUtility`类下，增加枚举类型 
2、增加转场对象，可以继承`HHBaseAnimatedTransition`，内部已做好分发 
3、在类HHInteractionDelegate或者HHTransitioningDelegate下，根据枚举类型，设置transition对象 
例如：
```objc
- (id<UIViewControllerAnimatedTransitioning>)animationControllerForPresentedController:(UIViewController *)presented presentingController:(UIViewController *)presenting sourceController:(UIViewController *)source {
 switch (presented.presentStyle) {
 case HHPresentStyleNone:
 return nil;
 case HHPresentStyleSlipFromTop:
 case HHPresentStyleSlipFromBottom:
 case HHPresentStyleSlipFromLeft:
 case HHPresentStyleSlipFromRight:
 return [HHPresentFlipTransition flipTransitionWithStyle:presented.presentStyle isBegining:YES];
 default:
 return nil;
 }
}
```
```objc
- (id<UIViewControllerAnimatedTransitioning>)animationControllerForDismissedController:(UIViewController *)dismissed {
 switch (dismissed.presentStyle) {
 case HHPresentStyleNone:
 return nil;
 case HHPresentStyleSlipFromTop:
 case HHPresentStyleSlipFromBottom:
 case HHPresentStyleSlipFromLeft:
 case HHPresentStyleSlipFromRight:
 return [HHPresentFlipTransition flipTransitionWithStyle:dismissed.presentStyle isBegining:NO];
 default:
 return nil;
 }
}
```

**部分效果如下**

![121212.gif](https://upload-images.jianshu.io/upload_images/1801563-f6793ea51c9453e6.gif?imageMogr2/auto-orient/strip)![1.gif](https://upload-images.jianshu.io/upload_images/1801563-7c7f0def50ca8269.gif?imageMogr2/auto-orient/strip)

![2.gif](https://upload-images.jianshu.io/upload_images/1801563-f5d8172f7c7828d7.gif?imageMogr2/auto-orient/strip)![3.gif](https://upload-images.jianshu.io/upload_images/1801563-348ead15ab2669d3.gif?imageMogr2/auto-orient/strip)

![4.gif](https://upload-images.jianshu.io/upload_images/1801563-6470fad4670f7667.gif?imageMogr2/auto-orient/strip)![5.gif](https://upload-images.jianshu.io/upload_images/1801563-050c35c20e37dc17.gif?imageMogr2/auto-orient/strip)

![6.gif](https://upload-images.jianshu.io/upload_images/1801563-593d5fdefc759f97.gif?imageMogr2/auto-orient/strip)![7.gif](https://upload-images.jianshu.io/upload_images/1801563-b8d20580229e1769.gif?imageMogr2/auto-orient/strip)

**2018-05-17增加CATransition动画**

---

![transitionCube.gif](https://upload-images.jianshu.io/upload_images/1801563-061c95cfd7d776d1.gif?imageMogr2/auto-orient/strip)![transitionCurl.gif](https://upload-images.jianshu.io/upload_images/1801563-81247a4213d193ca.gif?imageMogr2/auto-orient/strip)

![transitionOgl.gif](https://upload-images.jianshu.io/upload_images/1801563-5730903fa2d97c10.gif?imageMogr2/auto-orient/strip)

**支持cocoapod**

```objc
target 'MyApp' do
  pod 'HHTransition', '~> 3.1.2'
end
```

HHTransition

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