Android Studio 运行出现 Multiple dex files define Landroid/support/annotation/AnimRes;解决方法_type androidx.annotation.animres is defined multip-优快云博客

本文介绍了解决Android开发中遇到的多dex文件定义冲突问题的方法。通过删除项目中的v4支持包并调整依赖配置，成功解决了由support-v4和v7的jar包引发的错误。

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<span style="font-family: Arial, Helvetica, sans-serif;">Error:Execution failed for task ':app:dexDebug'.  </span>

> com.android.ide.common.internal.LoggedErrorException: Failed to run command:  
    E:\DevResources\sdk\build-tools\21.1.2\dx.bat --dex --no-optimize --output E:\AS_Workspace\FutureCity\app\build\intermediates\dex\debug --input-list=E:\AS_Workspace\FutureCity\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)

看到这个问题第一眼感觉是support-v4和v7的jar包引起的冲突。

项目依赖了一个google play service的library，上google-play的libs下面找了半天也没看见v7的影子。

后来F12查看module属性才发现，尼玛