RecyclerView使用报错...
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.xxxAct}: android.view.InflateException: Binary XML file line #170: Error inflating class android.support.v7.widget.RecyclerView
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Caused by: android.view.InflateException: Binary XML file line #170: Error inflating class android.support.v7.widget.RecyclerView
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Caused by: java.lang.reflect.InvocationTargetException
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Caused by: java.lang.NoClassDefFoundError: android.support.v4.util.Pools$SimplePool
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解决方法：
在导入android-support-v7-recyclerview.jar的同时
需要导入 sdk\extras\android\support\v7\appcompat\libs\android-support-v4.jar 这个jar包