アプリケーションを ProGuard でビルドすると、次のメッセージで失敗します。Android SDK によって生成されたデフォルトの proguard.cfg といくつかの -libraryjars を使用します。そのために何ができますか?
[2011-03-17 09:27:04 - MyProject] Proguard returned with error code 1. See console
[2011-03-17 09:27:04 - MyProject] Note: there were 4247 duplicate class definitions.
[2011-03-17 09:27:04 - MyProject] Warning: library class android.content.res.XmlResourceParser extends or implements program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.content.Intent depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.graphics.drawable.AnimationDrawable depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.graphics.drawable.BitmapDrawable depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.graphics.drawable.Drawable depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.graphics.drawable.Drawable depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.graphics.drawable.Drawable depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.view.LayoutInflater depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] Warning: library class android.view.LayoutInflater depends on program class org.xmlpull.v1.XmlPullParser
[2011-03-17 09:27:04 - MyProject] You should check if you need to specify additional program jars.
[2011-03-17 09:27:04 - MyProject] Warning: there were 9 instances of library classes depending on program classes.
[2011-03-17 09:27:04 - MyProject] You must avoid such dependencies, since the program classes will
[2011-03-17 09:27:04 - MyProject] be processed, while the library classes will remain unchanged.
[2011-03-17 09:27:04 - MyProject] java.io.IOException: Please correct the above warnings first.
[2011-03-17 09:27:04 - MyProject] at proguard.Initializer.execute(Initializer.java:321)
[2011-03-17 09:27:04 - MyProject] at proguard.ProGuard.initialize(ProGuard.java:211)
[2011-03-17 09:27:04 - MyProject] at proguard.ProGuard.execute(ProGuard.java:86)
[2011-03-17 09:27:04 - MyProject] at proguard.ProGuard.main(ProGuard.java:492)
明らかに、org.xmlpull.v1.XmlPullParser はプログラム クラスではありません。ProGuard を最新バージョン (4.6) に更新しましたが、同じ警告が表示されます。