为United3D构建Android库时出错- Android Studio

Question

我正在与Android合作，试图为Unity3d 5.3构建一个。为此，我创建了一个Android模块，并添加了classes.jar文件以处理UnityPlayer，如下所示：

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然后，我生成了这个模块，我得到了一个文件“包装器-调试器”，我把它放到了‘\Asset\Plugins\Android’中。最后，当我构建时，我得到了以下错误：

Error building Player: CommandInvokationFailure: Unable to convert classes   into dex format. See the Console for details.
C:/Program Files/Java/jdk1.8.0_45\bin\java.exe -Xmx2048M -Dcom.android.sdkmanager.toolsdir="C:/Users/.../AppData/Local/Android\tools" -Dfile.encoding=UTF8 -jar "C:\Program Files\Unity\Editor\Data\PlaybackEngines\AndroidPlayer/Tools\sdktools.jar" -

stderr[
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lbitter/jnibridge/JNIBridge;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lbitter/jnibridge/JNIBridge$a;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/NativeLoader;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/ReflectionHelper;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/ReflectionHelper$1;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/ReflectionHelper$a;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/UnityPlayer;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/UnityPlayer$1;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/unity3d/player/UnityPlayer$10;

UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.RuntimeException: Translation has been interrupted
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:608)
at com.android.dx.command.dexer.Main.runMonoDex(Main.java:311)
at com.android.dx.command.dexer.Main.run(Main.java:277)
at com.android.dx.command.dexer.Main.main(Main.java:245)
at com.android.dx.command.Main.main(Main.java:106)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at SDKMain.main(SDKMain.java:129)
Caused by: java.lang.InterruptedException: Too many errors
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:600)
... 9 more
]
stdout[
processing archive G:\...\Unity5\Projects\AndroidPlugin\AndroidPlugin\Temp\StagingArea\android-libraries\wrapper-debug\bin\classes.jar...
processing unitywrapper/wrapper/BuildConfig.class...
processing unitywrapper/wrapper/Wrapper.class...
processing archive G:\...\Unity5\Projects\AndroidPlugin\AndroidPlugin\Temp\StagingArea\android-libraries\wrapper-debug\libs\.\classes.jar...
processing bitter/jnibridge/JNIBridge.class...
processing bitter/jnibridge/JNIBridge$a.class...
processing com/unity3d/player/NativeLoader.class...
processing com/unity3d/player/ReflectionHelper.class...
processing com/unity3d/player/ReflectionHelper$1.class...
processing com/unity3d/player/ReflectionHelper$a.class...
processing com/unity3d/player/UnityPlayer.class...
processing com/unity3d/player/UnityPlayer$1.class...
processing com/unity3d/player/UnityPlayer$10.class...
processing com/unity3d/player/UnityPlayer$11.class...
processing com/unity3d/player/UnityPlayer$12.class...
processing com/unity3d/player/UnityPlayer$13.class...
processing com/unity3d/player/UnityPlayer$14.class...
processing com/unity3d/player/UnityPlayer$15.class...
processing com/unity3d/player/UnityPlayer$15$1.class...
processing com/unity3d/player/UnityPlayer$16.class...
processing com/unity3d/player/UnityPlayer$17.class...
processing com/unity3d/player/UnityPlayer$18.class...
processing com/unity3d/player/UnityPlayer$19.class...
processing com/unity3d/player/UnityPlayer$2.class...
processing com/unity3d/player/UnityPlayer$20.class...
processing com/unity3d/player/UnityPlayer$3.class...
processing com/unity3d/player/UnityPlayer$4.class...
processing com/unity3d/player/UnityPlayer$5.class...
processing com/unity3d/player/UnityPlayer$6.class...
processing com/unity3d/player/UnityPlayer$7.class...
processing com/unity3d/player/UnityPlayer$8.class...
processing com/unity3d/player/UnityPlayer$9.class...
processing com/unity3d/player/UnityPlayer$a.class...
processing com/unity3d/player/UnityPlayer$b.class...
processing com/unity3d/player/UnityPlayer$c.class...
processing com/unity3d/player/UnityPlayerActivity.class...
processing com/unity3d/player/UnityPlayerNativeActivity.class...
processing com/unity3d/player/UnityPlayerProxyActivity.class...
processing com/unity3d/player/UnityWebRequest.class...
processing com/unity3d/player/WWW.class...
processing com/unity3d/player/a.class...
processing com/unity3d/player/a$1.class...
processing com/unity3d/player/a$2.class...
processing com/unity3d/player/a$a.class...
processing com/unity3d/player/b.class...
processing com/unity3d/player/b$1.class...
processing com/unity3d/player/b$2.class...
processing com/unity3d/player/c.class...
processing com/unity3d/player/d.class...
processing com/unity3d/player/d$1.class...
processing com/unity3d/player/d$2.class...
processing com/unity3d/player/e.class...
processing com/unity3d/player/f.class...
processing com/unity3d/player/g.class...
processing com/unity3d/player/h.class...
processing com/unity3d/player/i.class...
processing com/unity3d/player/j.class...
processing com/unity3d/player/k.class...
processing com/unity3d/player/k$1.class...
processing com/unity3d/player/k$2.class...
processing com/unity3d/player/k$2$1.class...
processing com/unity3d/player/k$2$1$1.class...
processing com/unity3d/player/l.class...
processing com/unity3d/player/l$1.class...
processing com/unity3d/player/m.class...
processing com/unity3d/player/n.class...
processing com/unity3d/player/n$1.class...
processing com/unity3d/player/o.class...
processing com/unity3d/player/p.class...
processing com/unity3d/player/p$1.class...
processing com/unity3d/player/q.class...
processing com/unity3d/player/r.class...
processing com/unity3d/player/s.class...
processing com/unity3d/player/s$1.class...
processing com/unity3d/player/s$2.class...
processing com/unity3d/player/s$3.class...
processing com/unity3d/player/t.class...
processing com/unity3d/player/u.class...
processing com/unity3d/player/v.class...
processing com/unity3d/player/w.class...
processing com/unity3d/player/w$1.class...
processing org/fmod/FMODAudioDevice.class...
processing org/fmod/a.class...
processing bin\classes\.\com\androidplugin\android\R.class...
processing bin\classes\.\com\androidplugin\android\R$attr.class...
processing bin\classes\.\com\androidplugin\android\R$drawable.class...
processing bin\classes\.\com\androidplugin\android\R$string.class...
processing bin\classes\.\unitywrapper\wrapper\R.class...
processing bin\classes\.\unitywrapper\wrapper\R$attr.class...
processing bin\classes\.\unitywrapper\wrapper\R$drawable.class...
processing bin\classes\.\unitywrapper\wrapper\R$string.class...
processing archive bin\classes.jar...
processing bitter/jnibridge/JNIBridge.class...
processing bitter/jnibridge/JNIBridge$a.class...
processing com/unity3d/player/NativeLoader.class...
processing com/unity3d/player/ReflectionHelper.class...
processing com/unity3d/player/ReflectionHelper$1.class...
processing com/unity3d/player/ReflectionHelper$a.class...
processing com/unity3d/player/UnityPlayer.class...
processing com/unity3d/player/UnityPlayer$1.class...
processing com/unity3d/player/UnityPlayer$10.class...
processing com/unity3d/player/UnityPlayer$11.class...
processing com/unity3d/player/UnityPlayer$12.class...
processing com/unity3d/player/UnityPlayer$13.class...
processing com/unity3d/player/UnityPlayer$14.class...
processing com/unity3d/player/UnityPlayer$15.class...
processing com/unity3d/player/UnityPlayer$15$1.class...
processing com/unity3d/player/UnityPlayer$16.class...
processing com/unity3d/player/UnityPlayer$17.class...
processing com/unity3d/player/UnityPlayer$18.class...
processing com/unity3d/player/UnityPlayer$19.class...
processing com/unity3d/player/UnityPlayer$2.class...
processing com/unity3d/player/UnityPlayer$20.class...
processing com/unity3d/player/UnityPlayer$3.class...
processing com/unity3d/player/UnityPlayer$4.class...
processing com/unity3d/player/UnityPlayer$5.class...
processing com/unity3d/player/UnityPlayer$6.class...
processing com/unity3d/player/UnityPlayer$7.class...
processing com/unity3d/player/UnityPlayer$8.class...
processing com/unity3d/player/UnityPlayer$9.class...
processing com/unity3d/player/UnityPlayer$a.class...
processing com/unity3d/player/UnityPlayer$b.class...
processing com/unity3d/player/UnityPlayer$c.class...
processing com/unity3d/player/UnityPlayerActivity.class...
processing com/unity3d/player/UnityPlayerNativeActivity.class...
processing com/unity3d/player/UnityPlayerProxyActivity.class...
processing com/unity3d/player/UnityWebRequest.class...
processing com/unity3d/player/WWW.class...
processing com/unity3d/player/a.class...
processing com/unity3d/player/a$1.class...
processing com/unity3d/player/a$2.class...
processing com/unity3d/player/a$a.class...
processing com/unity3d/player/b.class...
processing com/unity3d/player/b$1.class...
processing com/unity3d/player/b$2.class...
processing com/unity3d/player/c.class...
processing com/unity3d/player/d.class...
processing com/unity3d/player/d$1.class...
processing com/unity3d/player/d$2.class...
processing com/unity3d/player/e.class...
processing com/unity3d/player/f.class...
processing com/unity3d/player/g.class...
processing com/unity3d/player/h.class...
processing com/unity3d/player/i.class...
processing com/unity3d/player/j.class...
processing com/unity3d/player/k.class...
processing com/unity3d/player/k$1.class...
processing com/unity3d/player/k$2.class...
processing com/unity3d/player/k$2$1.class...
processing com/unity3d/player/k$2$1$1.class...
processing com/unity3d/player/l.class...
processing com/unity3d/player/l$1.class...
processing com/unity3d/player/m.class...
processing com/unity3d/player/n.class...
processing com/unity3d/player/n$1.class...
processing com/unity3d/player/o.class...
processing com/unity3d/player/p.class...
processing com/unity3d/player/p$1.class...
processing com/unity3d/player/q.class...
processing com/unity3d/player/r.class...
processing com/unity3d/player/s.class...
processing com/unity3d/player/s$1.class...
processing com/unity3d/player/s$2.class...
processing com/unity3d/player/s$3.class...
processing com/unity3d/player/t.class...
processing com/unity3d/player/u.class...
processing com/unity3d/player/v.class...
processing com/unity3d/player/w.class...
processing com/unity3d/player/w$1.class...
processing org/fmod/FMODAudioDevice.class...
processing org/fmod/a.class...
]

我能理解的是，我正在添加已经添加的类。问题在于文件classes.jar。如果我取消它，插件工作正常，但没有它，我不能在我的库中使用unityPlayer，这是我真正需要的东西。

另一种方法是创建一个.jar库，但在本例中，我必须将res文件夹放在来自Unity的插件文件夹中，但这是不推荐的。

还有其他方法可以使用android库用于Unity5.x吗？

如果您需要更多的信息，非常感谢，请告诉我。

Answer 1

在构建应用程序时，统一自动将自己的类添加到项目中。如果将它们与库捆绑在一起，它们将被添加两次。

除了当前使用的provided配置之外，安卓的Gradle插件还定义了一个名为compile的配置。它的不同之处在于，它假设依赖项将在运行时出现在应用程序的类路径上，而不包括构建库中的类。

若要使用该特定JAR的provided配置，请替换这两行

compile fileTree(include: ['*.jar'], dir: 'libs')

compile files('libs/classes.jar')

带着这些

compile fileTree(dir: 'libs', include: ['*.jar'], exclude: ['classes.jar'])

provided files('libs/classes.jar')

这将使Gradle将放置在libs/中的每个JAR文件视为与库捆绑在一起的依赖项，但只用于编译库的classes.jar除外。

注意，如果您使用的是Android插件3.0.0或更高版本的，您应该使用implementation而不是compile和compileOnly而不是provided。这些配置被重命名为：configurations。