Xamarin.Android binding for scwang90/SmartRefreshLayout
示例App已改写为Xamarin.Android，代码
上面这两个是我自己实现的Header，设计来自：Refresh-your-delivery，Dropbox-Refresh
下面的Header是我把github上其它优秀的Header进行的整理和集合还有优化：
整理来自：TwinklingRefreshLayout，Pull Down To Refresh
整理来自：FlyRefresh，ClassicsHeader
整理来自：Yalantis/Phoenix，Yalantis/Taurus
整理来自：FunGame/BattleCity，FunGame/HitBlock
整理来自：WaveSwipeRefreshLayout，MaterialHeader
整理来自：Ultra-Pull-To-Refresh，WaterDrop
看到这么多炫酷的Header，是不是觉得很棒？这时你或许会担心这么多的Header集成在一起，但是平时只会用到一个，是不是要引入很多无用的代码和资源？
请放心，我已经把刷新布局分成三个包啦，用到的时候自行引用就可以啦！
- SmartRefreshLayout 刷新布局核心实现，自带ClassicsHeader（经典）、BezierRadarHeader（贝塞尔雷达）两个 Header.
- SmartRefreshHeader 各种Header的集成，除了Layout自带的Header，其它都在这个包中.
- SmartRefreshFooter 各种Footer的集成，除了Layout自带的Footer，其它都在这个包中.
android-gif-drawable 绑定：Binding_AndroidGifDrawable
CircleImageView 绑定：Binding_CircleimageView
FlycoRoundView 绑定：Binding_FlycoRoundViewLib
RealtimeBlurView 绑定：Binding_RealtimeblurView
recyclerview-animators 绑定：Binding_RecyclerViewAnimators
Copyright 2017 wtffly
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
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http://www.apache.org/licenses/LICENSE-2.0
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distributed under the License is distributed on an "AS IS" BASIS,
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