Using Dagger2 on Android causes java.lang.VerifyError on certain devices.

[ChrisZou]

Hi, I have an Android application that uses Dagger2. I have a Dagger Component called AppComponent, an Activity called MainActivity. MainActivity has a injected field: @Inject MainDataModel mModel, and uses DaggerAppComponent.inject(mainActivity) to satisfy the field. I put the Component init code in Application.onCreate(). During runtime, I run into VerifyError during Component initialization.

Fatal Exception: java.lang.VerifyError: com/myapp/a
       at com.myapp.dagger.DaggerAppComponent.initialize(DaggerAppComponent.java:39)
       at com.myapp.dagger.DaggerAppComponent.(DaggerAppComponent.java:29)
       at com.myapp.dagger.DaggerAppComponent.(DaggerAppComponent.java:19)
       at com.myapp.dagger.DaggerAppComponent$Builder.build(DaggerAppComponent.java:75)
       at com.myapp.dagger.ComponentHolder.init(ComponentHolder.java:15)
       at com.myapp.AppInitializer.init(AppInitializer.java:13)
       at com.myapp.app.MyApp.onCreate(MyApp.java:341)
       at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1069)
       at com.lbe.security.service.core.client.b.x.callApplicationOnCreate(Unknown Source)
       at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4699)
       at android.app.ActivityThread.access$1300(ActivityThread.java:171)
       at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1447)
       at android.os.Handler.dispatchMessage(Handler.java:107)
       at android.os.Looper.loop(Looper.java:194)
       at android.app.ActivityThread.main(ActivityThread.java:5433)
       at java.lang.reflect.Method.invokeNative(Method.java)
       at java.lang.reflect.Method.invoke(Method.java:525)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:853)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:620)
       at dalvik.system.NativeStart.main(NativeStart.java)

After checking with the mapping file, I found out that the class causing the VerifyError msg is a MainActivity_MembersInjector, which is also generated by Dagger.

The line that causes this is this.mainActivityMembersInjector = MainActivity_MembersInjector_MembersInjector.create(MembersInjectors.noOp(), this.mainDataModelProvider); inside class DaggerAppComponent.

One thing to not is that it only happens on certain devices though, like Xiaomi 2014011. Any idea how to fix that?

[kamikat]

Could you please provide any information on devices produce the error?

[ronshapiro]

This is almost definitely a Xiaomi error. Reminds me of #225 and #357.