Getting Exception Using Firebase in Xamarin Android

问题

Java.Lang.IllegalStateException: Default FirebaseApp is not initialized in this process TestChartApp.TestChartApp. Make sure to call FirebaseApp.initializeApp(Context) first.

this is my code i am using

FirebaseApp.InitializeApp(this);

try
    {
        throw new NotImplementedException();
    }
    catch (System.Exception ex)
    {   
    FirebaseCrash.Report(ex);
    }

I am new to implement firebase crash reporting i am trying to implement crash report but it is throwing an error. please help me how can i solve that.

回答1:

Review your logcat output for FirebaseInitProvider tags, if you are getting:

[FirebaseInitProvider] FirebaseApp initialization unsuccessful

Then the two major things to check:

• Make sure that your google-services.json is assigned a build action of GoogleServicesJson

• Check that your application package name matches the one that you assigned in the Google Dev. Console

A successful FirebaseApp registration will result in the following logcat:

FirebaseInitProvider: FirebaseApp initialization successful

回答2:

After assigned the build action as GoogleServicesJson its working.

回答3:

Try entering the following in MainActivity.cs after the LoadApplication call.

FirebaseApp app = FirebaseApp.InitializeApp(Android.App.Application.Context);

回答4:

The resolution for me was toggling the BuildAction for the google-services.json to GoogleServicesJson.

Even though the google-services.json properties showed BuildAction set to GoogleServicesJson, I was still having the error "Default FirebaseApp is not initialized in this process Make sure to call FirebaseApp.initializeApp(Context) first".

I was able to resolve this issue by setting BuildAction to "None" then setting it back to "GoogleServicesJson". When I got latest version from source control the BuildAction must not have carried over to my local copy (although it showed as such).

来源：https://stackoverflow.com/questions/42158239/getting-exception-using-firebase-in-xamarin-android