我无法在unity5.4.1f1中构建，因为每当我尝试将我的游戏构建到Android平台时，它都说：
无法转换dex格式统一
这是我得到的错误：
CommandInvokationFailure: Unable to convert classes into dex format.
C:\Program Files\Java\jdk1.8.0_102\bin\java.exe -Xmx2048M - Dcom.android.sdkmanager.toolsdir="C:\Program Files (x86)\Android\android- sdk\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: Lcom/google/protobuf/nano/CodedInputByteBufferNano;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/CodedOutputByteBufferNano;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/CodedOutputByteBufferNano$OutOfSpaceException;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/ExtendableMessageNano;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/Extension;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/Extension$1;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/Extension$PrimitiveExtension;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/FieldArray;
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/FieldData;
UNEXPECTED TOP-LEVEL EXCEPTION:
java.lang.RuntimeException: Translation has been interrupted
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:613)
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:498)
at SDKMain.main(SDKMain.java:129)
Caused by: java.lang.InterruptedException: Too many errors
at com.android.dx.command.dexer.Main.processAllFiles(Main.java:605)
... 9 more
]
stdout[
processing archive C:\Users\Nette\Documents\LearnSomethingNewThesis\Temp\StagingArea\android- libraries\gvr_android_common\libs\.\classes.jar...
ignored resource META-INF/
ignored resource META-INF/MANIFEST.MF
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processing clearcut/nano/EventCodeEnumProto.class...
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processing com/google/common/logging/nano/Eventid.class...
processing com/google/common/logging/nano/Eventid$ClientEventIdMessage.class...
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processing com/google/common/logging/nano/RequestContext$GWSRequestContext.class...
processing com/google/common/logging/nano/RequestContext$UIState.class...
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processing com/google/common/logging/nano/Vr.class...
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processing com/google/common/logging/nano/Vr$VREvent$Application.class...
processing com/google/common/logging/nano/Vr$VREvent$AudioStats.class...
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ignored resource com/google/vr/cardboard/
processing com/google/vr/cardboard/AndroidNCompat.class...
processing com/google/vr/cardboard/AndroidNCompat$1.class...
processing com/google/vr/cardboard/AndroidNCompat$2.class...
processing com/google/vr/cardboard/AndroidNCompat$3.class...
processing com/google/vr/cardboard/CardboardGLSurfaceView.class...
processing com/google/vr/cardboard/CardboardGLSurfaceView$DetachListener.class...
processing com/google/vr/cardboard/ConfigUtils.class...
processing com/google/vr/cardboard/ContentProviderVrParamsProvider.class...
processing com/google/vr/cardboard/DisplaySynchronizer.class...
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processing com/google/vr/cardboard/EglFactory.class...
processing com/google/vr/cardboard/FrameMonitor.class...
processing com/google/vr/cardboard/FullscreenMode.class...
processing com/google/vr/cardboard/FullscreenMode$1.class...
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processing com/google/vr/cardboard/GLTextureView.class...
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processing com/google/vr/cardboard/GLTextureView$DefaultContextFactory.class...
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processing com/google/vr/cardboard/GLTextureView$LogWriter.class...
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processing com/google/vr/cardboard/UiLayer$9.class...<message truncated>
答案 0 :(得分：1)
Uncaught translation error: java.lang.IllegalArgumentException: already added: Lcom/google/protobuf/nano/CodedInputByteBufferNano;
这就是问题所在。在项目的某个地方，你有一个重复的android库。 Unity正在尝试将所有类转换为dex格式，但它正在重复，并且不喜欢它。
您需要做的就是找到有问题的库并删除其中一个副本。无论哪一个。
该库很可能是.jar文件。