如何解决将字节码转换为dex的错误？

Question

当我运行应用程序在Android工作室与按F5我看到了错误，你可以看到这个链接上的错误！[截图错误] [1] 我该如何解决它？

摇篮：

apply plugin: 'com.android.application' 

android { 
compileSdkVersion 26 
buildToolsVersion '26.0.2' 
defaultConfig { 
    ...  
} 
... 

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

compile 'com.github.bumptech.glide:glide:3.7.0' 
compile 'com.android.volley:volley:1.0.0' 
compile 'com.android.support.constraint:constraint-layout:1.0.0-alpha7' 
compile 'ir.adad.androidsdkv3:AdadSDKv3:3.3.1' 
compile 'com.android.support:appcompat-v7:26.0.0-alpha1' 
compile 'com.android.support:recyclerview-v7:26.0.0-alpha1' 
compile 'com.android.support:design:26.0.0-alpha1' 
} 
apply plugin: 'com.google.gms.google-services' 

错误

Error:Execution failed for task ':app:transformClassesWithDexForDebug'. 
> com.android.build.api.transform.TransformException: 
com.android.ide.common.process.ProcessException: 
java.util.concurrent.ExecutionException: 
com.android.ide.common.process.ProcessException: Error while executing java 
process with main class com.android.dx.command.Main with arguments {--dex -- 
num-threads=4 --output 

Answer 1

在app.gradle启用Multidex

android { 
    defaultConfig { 
     multiDexEnabled true 
    }  
}