Java FirebaseDatabase.getInstance（）的NoSuchMethodError

当我试图在Firebase数据库中保存数据时，我的应用程序崩溃。错误显示在这一行上：

databaseUser = FirebaseDatabase.getInstance().getReference("Users");

堆栈跟踪：

08-24 00:24:16.275 11091-11091/com.addaj.mobilerecommendationsystem E/AndroidRuntime: FATAL EXCEPTION: main
    Process: com.addaj.mobilerecommendationsystem, PID: 11091
    java.lang.NoSuchMethodError: No virtual method zzbqo()Z in class Lcom/google/firebase/FirebaseApp; or its super classes (declaration of 'com.google.firebase.FirebaseApp' appears in /data/app/com.addaj.mobilerecommendationsystem-1/split_lib_dependencies_apk.apk)
        at com.google.firebase.database.FirebaseDatabase.getInstance(Unknown Source)
        at com.google.firebase.database.FirebaseDatabase.getInstance(Unknown Source)
        at com.addaj.mobilerecommendationsystem.RegistrationActivity.onCreate(RegistrationActivity.java:60)
        at android.app.Activity.performCreate(Activity.java:6860)
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119)
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2674)
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2782)
        at android.app.ActivityThread.-wrap12(ActivityThread.java)
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1521)
        at android.os.Handler.dispatchMessage(Handler.java:102)
        at android.os.Looper.loop(Looper.java:163)
        at android.app.ActivityThread.main(ActivityThread.java:6228)
        at java.lang.reflect.Method.invoke(Native Method)
        at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:794)

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您必须使firebase库版本相同，例如：

implementation 'com.google.firebase:firebase-storage:11.8.0'
implementation 'com.google.firebase:firebase-database:11.8.0'
implementation 'com.google.firebase:firebase-core:11.8.0'
implementation 'com.google.firebase:firebase-messaging:11.8.0'
implementation 'com.google.firebase:firebase-auth:11.8.0'

---

或者选择您想要的任何版本，如16.0.1查看firebase发行说明：

您必须提供更多信息，请尽可能详细说明您的问题，以便更容易找到问题！错误是什么？我应该提供什么信息？你能告诉我Joe S吗？我的应用程序因为getInstance（）崩溃了。你能展示完整的代码吗？这很有效，先生！我只需要更改我的数据库版本。谢谢哦，太好了：）我很高兴它起作用了。。。请随意投票