app:transformClassesWithJarMergingForDebug uplicate entry: android/support/v4/app/BackStackState$1.class

.Execution failed for task ‘:app:transformClassesWithJarMergingForDebug‘.> com.android.build.api.transform.TransformException: java.util.zip.ZipException: duplicate entry: android/support/v4/app/BackStackState$1.class

原因：在所添加的jar包或aar包中也引用了support-V4,与工程中引用的相冲突Ctrl+N --> 在搜索框中输入BackStackState --> 查找到所有引用该类的类，这些类即为引起冲突的类去掉本工程中gradle中用于引用有冲突的包的代码或者将冲突的代码从jar包或aar包中移除，确保一个module中只引用了一份相同的第三方包

时间： 2024-08-07 04:09:43

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app:transformClassesWithJarMergingForDebug uplicate entry: android/support/v4/app/BackStackState$1.class