颤振：崩溃 --com.google.android.gms.auth.api.signin.internal.SignInHubActivity}：

Question

我将 Flutter 应用程序部署到了 Play 商店，现在我通过崩溃分析看到了一些崩溃。我和一些人帮助理解和修复它..这是崩溃。信息

我正在使用 Firebase_auth 插件，我的成绩文件中有这个

classpath 'com.google.gms:google-services:4.2.0'

- - 错误 - - -

com.google.android.gms.auth.api.signin.internal.SignInHubActivity}:
 java.lang.NullPointerException:

Fatal Exception: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.RandstadRecruiter/com.google.android.gms.auth.api.signin.internal.SignInHubActivity}: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean java.lang.String.equals(java.lang.Object)' on a null object reference
   at android.app.ActivityThread.performLaunchActivity + 2665(ActivityThread.java:2665)
   at android.app.ActivityThread.handleLaunchActivity + 2726(ActivityThread.java:2726)
   at android.app.ActivityThread.-wrap12(ActivityThread.java)
   at android.app.ActivityThread$H.handleMessage + 1477(ActivityThread.java:1477)
   at android.os.Handler.dispatchMessage + 102(Handler.java:102)
   at android.os.Looper.loop + 154(Looper.java:154)
   at android.app.ActivityThread.main + 6119(ActivityThread.java:6119)
   at java.lang.reflect.Method.invoke(Method.java)
   at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run + 886(ZygoteInit.java:886)
   at com.android.internal.os.ZygoteInit.main + 776(ZygoteInit.java:776)
   at de.robv.android.xposed.XposedBridge.main + 107(XposedBridge.java:107)