ZYKeyboardUtil: 一个Block,全自动处理键盘遮挡输入控件问题。Util Handed all keyboard events with Block Conveniently

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ZYKeyboardUtil  
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Util Handed all keyboard events with Block Conveniently    
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只需要一个Block，全自动处理任何多层嵌套复杂界面 因键盘升降 造成的输入控件遮挡问题。  
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第三方键盘分次弹出问题
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<p align="center">
<img src="https://img.shields.io/badge/pod-v0.4.1-blue.svg" />
<img src="https://img.shields.io/badge/supporting-objectiveC-yellow.svg" />
<img src="https://img.shields.io/badge/Advantage-Automation-red.svg" />
<img src="https://img.shields.io/badge/Demo-contain-9600cd.svg" />

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- 0.4.1支持一个页面多个输入控件处理(全自动处理键盘升降遮挡输入控件问题)  
(仅需配置animateWhenKeyboardAppearAutomaticAnimBlock)  
- 0.3.1更新自动处理键盘收起时对界面的还原(需与全自动升起处理同时使用，  
无需配置animateWhenKeyboardDisappearBlock)  
- 0.2.1更新全自动处理键盘遮盖事件(需配置animateWhenKeyboardAppearAutomaticAnimBlock),具体使用参照Demo  
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#**Features：**
**第三方键盘分次弹出问题：**  
ZYKeyboardUtil 通过对每次键盘展开时的增量heightIncrement作处理 应对 第三方键盘 分次弹出的问题

![](https://raw.githubusercontent.com/liuzhiyi1992/ZYKeyboardUtil/master/ZYKeyboardUtil/DisplayFile/demo_1.jpg)

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**同时能处理多层嵌套情况下控件的键盘遮盖问题**  
UITextField嵌套两层UIView例子演示：

![](https://raw.githubusercontent.com/liuzhiyi1992/ZYKeyboardUtil/master/ZYKeyboardUtil/DisplayFile/keyboardUtil.gif)

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**一个页面内多个输入控件处理：**  
![](https://raw.githubusercontent.com/liuzhiyi1992/MyStore/master/ZYKeyboardUtil/ZYKeyboardUtil%E5%A4%9A%E4%B8%AA%E8%BE%93%E5%85%A5%E6%8E%A7%E4%BB%B6.gif)
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#**CocoaPods：**  
```pod 'ZYKeyboardUtil', '~> 0.4.1'```

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#**Usage：**  
创建一个ZYKeyboard对象，为了让其生存在整个页面实现功能的时间段内，让你的controller持有他吧。
```objc
self.keyboardUtil = [[ZYKeyboardUtil alloc] init];
```  
配置animateWhenKeyboardAppearAutomaticAnimBlock，即可全自动处理键盘升降遮挡输入控件问题，且控件resignFirstResponder后自动还原。  
只需在Block里利用参数keyboardUtil调用adaptiveViewHandleWithController:adaptiveView:，第一个参数为当前页面controller，第二个参数接收一个可变参数，为当前页面内的单个/多个输入控件或者包裹输入控件的View。
```objc
__weak ViewController *weakSelf = self;
[_keyboardUtil setAnimateWhenKeyboardAppearAutomaticAnimBlock:^(ZYKeyboardUtil *keyboardUtil) {
    [keyboardUtil adaptiveViewHandleWithController:weakSelf adaptiveView:weakSelf.inputViewOne, weakSelf.inputViewSecond, weakSelf.inputViewThird, weakSelf.inputViewFourth, nil];
}];
```  
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**Attach：**  
另外提供自定义处理键盘升/降遮挡输入控件处理(自定义处理方案优先级高于自动处理方案)：
```objc
[_keyboardUtil setAnimateWhenKeyboardAppearBlock:^(int appearPostIndex, CGRect keyboardRect, CGFloat keyboardHeight, CGFloat keyboardHeightIncrement) {
    //do something when keyboard appear
}];

[_keyboardUtil setAnimateWhenKeyboardDisappearBlock:^(CGFloat keyboardHeight) {
    //do something when keyboard dismiss
}];

[_keyboardUtil setPrintKeyboardInfoBlock:^(ZYKeyboardUtil *keyboardUtil, KeyboardInfo *keyboardInfo) {
    //you can get keyboardInfo hear when animation ended
}];
```  
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#**explain：**  
ZYKeyboardUtil 通过lazy方式注册键盘通知监听者，核心工作围绕一个model和四个Block(一个主功能Block和三个附加Block)，内部类KeyboardInfo作为model存储着每次处理时所需的键盘信息。animateWhenKeyboardAppearAutomaticAnimBlock作全自动处理，animateWhenKeyboardAppearBlock作键盘展示时的处理，animateWhenKeyboardDisappearBlock作键盘收起时的处理，而printKeyboardInfoBlock用作在必要时输出键盘信息。AppearBlock和DisappearBlock统一做了UIViewAnimation，自定义处理事件时只需要编写需要的界面变化即可。
  
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###Class：
####-KeyboardInfo:
**property：**  
- animationDuration:  响应动画的过程时长  
- frameBegin：触发键盘事件前键盘frame  
- frameEnd：变化后键盘frame  
- heightIncrement：单次键盘变化增量  
- action：键盘事件枚举  
- isSameAction：是否同一种动作

**func：**  
- fillKeyboardInfoWithDuration:frameBegin:frameEnd:heightIncrement:action:isSameAction:    
为KeyboardInfo各属性赋值。

####-ZYKeyboardUtil:  
**property：**  
- appearPostIndex：键盘分次弹出情况中 弹出 的次数
- keyboardInfo  
- haveRegisterObserver：是否已经注册监听者  
- animateWhenKeyboardAppearBlock：弹出Block  
- animateWhenKeyboardDisappearBlock：收起Block  
- printKeyboardInfoBlock：输出键盘信息Block    
- animateWhenKeyboardAppearBlockAutomaticAnim：全自动处理键盘遮盖事件Block   
**func：**  
- setAnimateWhenKeyboardAppearBlock:    
- setAnimateWhenKeyboardDisappearBlock:  
- setPrintKeyboardInfoBlock:    
- setAnimateWhenKeyboardAppearBlockAutomaticAnim:  
- setAnimateWhenKeyboardAppearAutomaticAnimBlock:

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That all, thanks。
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#**License：** 
ZYKeyboardUtil is available under the MIT license. See the LICENSE file for more info.

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