我正在尝试为我的Android Studio应用创建“登录和注册”页面。代码看起来像我没有任何错误，但是当我尝试模拟应用程序崩溃时。我一直在寻找Logcat，但我不知道是什么问题。
以下是Logcat的一些红线：
2019-10-24 22:58:35.044 17099-17099/com.example.barterapp D/AndroidRuntime: Shutting down VM
2019-10-24 22:58:35.046 17099-17099/com.example.barterapp E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.barterapp, PID: 17099
java.lang.NoSuchMethodError: No virtual method zzbqp()Ljava/lang/String; in class Lcom/google/firebase/FirebaseApp; or its super classes (declaration of 'com.google.firebase.FirebaseApp' appears in /data/app/com.example.barterapp-OU9O2p1Kc1pcuHqyL3tN4g==/base.apk)
at com.google.firebase.auth.FirebaseAuth.zzb(Unknown Source:5)
at com.google.firebase.auth.FirebaseAuth.getInstance(Unknown Source:4)
at com.example.barterapp.MainActivity.onCreate(MainActivity.java:30)
at android.app.Activity.performCreate(Activity.java:7136)
at android.app.Activity.performCreate(Activity.java:7127)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2893)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3048)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1808)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
2019-10-24 22:58:35.237 17099-17138/com.example.barterapp V/FA: Connecting to remote service
2019-10-24 22:58:35.326 17099-17138/com.example.barterapp V/FA: Connection attempt already in progress