错误:将字节码转换为dex时出错:原因:com.android.dex.DexException:多个dex文件定义了Lcom/google/android/gms/common/api/zza；

问题描述：

我有此错误:

错误:将字节码转换为dex时出错:原因: com.android.dex.DexException:多个dex文件定义 Lcom/google/android/gms/common/api/zza;

Error:Error converting bytecode to dex: Cause: com.android.dex.DexException: Multiple dex files define Lcom/google/android/gms/common/api/zza;

我没有解决方法，请帮忙.

I am not getting how to solve this, please help.

我不知道是否要包含一些lib或什么

I don't know whether to include some lib or what

答

当您在应用程序build.gradle中有重复的依赖项条目时，通常会出现Multiple dex files define的问题.在这种情况下，您有重复的Firebase依赖项.

The problems of Multiple dex files define usually arise when you have duplicate dependency entry in your app build.gradle. In this case, you have a duplicate Firebase dependencies.

您需要使用相同版本的9.0.2或9.6.1:

You need to use the same version either 9.0.2 or 9.6.1:

compile 'com.google.firebase:firebase-auth:9.0.2'
compile 'com.google.firebase:firebase-database:9.0.2'

或

compile 'com.google.firebase:firebase-auth:9.6.1'
compile 'com.google.firebase:firebase-database:9.6.1'

请注意 ，如果您使用某些支持库版本(例如24.0.0)，则Firebase可能会出现兼容性问题.您需要使用最新的支持库或找到兼容的Firebase版本.进一步了解编译com.android.support时出现android错误. :support-v4:24.0.0

Please be aware that if you use some support library version like 24.0.0 there is a chance for compatibility issue with firebase. You need to use the latest of support library or find the compatible firebase version. Read more at android error while compiling com.android.support:support-v4:24.0.0

错误:将字节码转换为dex时出错:原因:com.android.dex.DexException:多个dex文件定义了Lcom/google/android/gms/common/api/zza；

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