通过TossImageView，你可以以很简单的方式实现抛硬币的动画效果。
#sample
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Email：binbincivil@gmail.com
Blog：http://blog.csdn.net/bingospunky/
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#License
Copyright 2016 binbincivil
Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
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