初次使用RecycleView报错,Multiple dex files define Landroid/support/annotation/AnimRes;

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第一次在项目中使用RecycleView，没想象的那么简单，android版本太多，导致了各种包的冲突，真是很崩溃，我报的错误大概是这样的：

Error:Execution failed for task ':app:dexDebug'.
> com.android.ide.common.internal.LoggedErrorException: Failed to run command:
C:\Users\bayin\AppData\Local\Android\sdk\build-tools\21.1.2\dx.bat --dex --no-optimize --output D:\MyWorkspace\youh_native_new\app\build\intermediates\dex\debug --input-list=D:\MyWorkspace\youh_native_new\app\build\intermediates\tmp\dex\debug\inputList.txt
Error Code:2
Output:
UNEXPECTED TOP-LEVEL EXCEPTION:
com.android.dex.DexException: Multiple dex files define Landroid/support/annotation/AnimRes;
at com.android.dx.merge.DexMerger.readSortableTypes(DexMerger.java:596)
at com.android.dx.merge.DexMerger.getSortedTypes(DexMerger.java:554)
at com.android.dx.merge.DexMerger.mergeClassDefs(DexMerger.java:535)
at com.android.dx.merge.DexMerger.mergeDexes(DexMerger.java:171)
at com.android.dx.merge.DexMerger.merge(DexMerger.java:189)
at com.android.dx.command.dexer.Main.mergeLibraryDexBuffers(Main.java:454)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:303)
at com.android.dx.command.dexer.Main.run(Main.java:246)
at com.android.dx.command.dexer.Main.main(Main.java:215)
at com.android.dx.command.Main.main(Main.java:106)

网上搜了好多结果，意思都一样，都是包的冲突，版本不兼容，解决我的问题的方法是：

参考文章：http://blog.csdn.net/u010351494/article/details/47022601（谢谢博主）

使用v21.0.0版本的recycleview的jar包，直接放到自己工程的libs目录下面，下载地址：http://download.csdn.net/detail/u010351494/9232327

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