尝试通过android studio导出时Proguard错误

The*_*Man 5 android proguard

我在Android工作室尝试导出签名APK与Proguard真实.

我收到以下错误:

 FAILURE: Build failed with an exception.

 * What went wrong:
 Execution failed for task ':Application:proguardRelease'.
 > java.io.IOException: Can't write [C:\AndroidStudioProject\MyFirstProjectonAndroidWear\Application\build\intermediates\classes-proguard\release\classes.jar] (Can't read [C:\AndroidStudioProject\MyFirstProjectonAndroidWear\Application\build\intermediates\exploded-aar\com.android.support\support-v4\20.0.0\classes.jar(;;;;;;!META-INF/MANIFEST.MF)] (Duplicate zip entry [classes.jar:android/support/v4/os/ParcelableCompat$CompatCreator.class]))
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我还在proguard中给出了以下内容但没有帮助:

-dontwarn android.support.v4.**
-keep class android.support.v4.** { *; }
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这是我正在使用的proguard文件:

Proguard文件

wak*_*aki 4

今天我遇到了同样的错误,但是使用毕加索库。检查您的 gradles 文件和 libs 文件夹是否有重复。就像我一样,在 gradle 文件中,我 编译了 'com.squareup.picasso:picasso:2.3.2'(来自 Maven 存储库),而且我也有文件picasso-2.3.2.jar,当我删除这个文件时, apk文件导出没有错误。