嗨,我正在学习使用Udacity课程中的Firebase.当我运行我的应用程序并且对此没有任何线索时,我收到此错误.11-23 16:48:34.995 3947-3947/com.google.firebase.udacity.friendlychat
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.google.firebase.udacity.friendlychat, PID: 3841
java.lang.NoSuchMethodError: No virtual method zzait()Ljava/util/ArrayList;
in class Lcom/google/android/gms/auth/api/signin/GoogleSignInOptions;
or its super classes (declaration of 'com.google.android.gms.auth.api.signin.GoogleSignInOptions' appears in /data/data/com.google.firebase.udacity.friendlychat/files/.jrebel/load-dexes/bundle12/libraries24.zip)
at com.google.android.gms.auth.api.Auth$3.zza(Unknown Source)
at com.google.android.gms.auth.api.Auth$3.zzp(Unknown Source)
at com.google.android.gms.common.api.GoogleApiClient$Builder.addApi(Unknown Source)
at com.firebase.ui.auth.util.CredentialsAPI.initGoogleApiClient(CredentialsAPI.java:147)
at com.firebase.ui.auth.util.CredentialsAPI.<init>(CredentialsAPI.java:65)
at com.firebase.ui.auth.ui.ChooseAccountActivity.onCreate(ChooseAccountActivity.java:102)
at android.app.Activity.performCreate(Activity.java:6100)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1112) at com.zeroturnaround.jrebel.android.agent.JRebelInstrumentation.callActivityOnCreate(SourceFile:93)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2468)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2601)
at android.app.ActivityThread.access$800(ActivityThread.java:178)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1470)
at android.os.Handler.dispatchMessage(Handler.java:111)
at android.os.Looper.loop(Looper.java:194)
at android.app.ActivityThread.main(ActivityThread.java:5637)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
11-23 16:48:35.176 3947-3975/com.google.firebase.udacity.friendlychatE/GED: Failed to get GED …