使用第三方jar包，导出签名时候报错，_jar包导出签名问题-优快云博客

本文链接：https://blog.youkuaiyun.com/zhou_zheng1201/article/details/13022713

本文介绍了解决ProGuard报错的方法，特别是当遇到第三方库中未找到类或接口的问题时，建议将第三方jar文件放置在libs目录下，并将其添加到构建路径中，以避免在签名导出过程中出现混淆。

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正确使用方法：使用第三方jar的时候，建议在工程目录下新建libs目录。并把第三方jar，放到该目录下。再选中jar，build path --》add to build path

这样，在导出签名的时候，就不会混淆该jar

错误如下：

[2013-10-25 16:44:12 - TianTian] Proguard returned with error code 1. See console

[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity$1: can't find superclass or interface net.youmi.android.spot.SpotDialogLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$1: can't find superclass or interface net.youmi.android.spot.SpotDialogLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find superclass or interface net.youmi.android.banner.AdViewLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.DetailActivity$1: can't find referenced class net.youmi.android.spot.SpotDialogLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.AdManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.AdManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.AdManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.AdManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.spot.SpotManager
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdSize
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdSize
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$1: can't find referenced class net.youmi.android.spot.SpotDialogLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdViewLinstener
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: com.daily.clear.activity.MainActivity$2: can't find referenced class net.youmi.android.banner.AdView
[2013-10-25 16:44:12 - TianTian] Warning: there were 30 unresolved references to classes or interfaces.
[2013-10-25 16:44:12 - TianTian] You may need to specify additional library jars (using '-libraryjars').
[2013-10-25 16:44:12 - TianTian] java.io.IOException: Please correct the above warnings first.
[2013-10-25 16:44:12 - TianTian] at proguard.Initializer.execute(Initializer.java:321)
[2013-10-25 16:44:12 - TianTian] at proguard.ProGuard.initialize(ProGuard.java:211)
[2013-10-25 16:44:12 - TianTian] at proguard.ProGuard.execute(ProGuard.java:86)
[2013-10-25 16:44:12 - TianTian] at proguard.ProGuard.main(ProGuard.java:492)