Android异常java.lang.IllegalStateException: The specified child already has a parent.
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最近在开发中莫名其妙出现了一个异常：java.lang.IllegalStateException: The specified child already has a parent.
然后寻思了许久，发现这个异常得看系统源码才能发现为什么出错了，哪里出错了，这里就不带大家翻看系统源码了，在此给大家直接分析解决一下这个异常。
1.异常错误信息
异常错误信息如下：
2.报出异常的原因
在Android中一个子View只能允许有一个父View，如果你添加一个已经有父View的子View到另外一个ViewGroup中，则会如上的错误。
3.分析具体过程与解决异常
出现这个异常的图解过程如下：
解决方法在上图中也已经说明了，重新运行一下，问题解决
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