Error:Execution failed for task ':app:transformClassesAndResourcesWithProguardForRelease'.
java.io.IOException: Can't write C:\Users\Administrator\Desktop\NBMbank\app\build\intermediates\transforms\proguard\release\jars\3\1f\main.jar] (Duplicate zip entry [android-support-v4.jar:android/support/v4/print/PrintHelper$1.class]))
是v4包编译两次?冲突了? 这工具还用的不熟悉~ 求助。