firebase

Firebase – How to set the codes to check If the user has signed in before, start the MainActivity.class, else the StartActivity.class

import com.google.firebase.auth.FirebaseUser; /** * Loading screen activity */ public class SplashActivity extends AppCompatActivity { private FirebaseUser currentUser; Handler handler; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_splash); handler=new Handler(); handler.postDelayed(new Runnable() { @Override public void run() { if ( currentUser…

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Firebase – how to fix kotlin lateinit property binding has not been initialized

I'm getting this error: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.bugunneyesem/com.example.bugunneyesem.TariflerPageUser}: kotlin.UninitializedPropertyAccessException: lateinit property binding has not been initialized My activity class TariflerPageUser : AppCompatActivity() { lateinit var binding: ActivityTariflerPageUserBinding private lateinit var firebaseAuth: FirebaseAuth private lateinit var kategoriArrayList: ArrayList<ModelKategori> private…

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Javascript – Firebase Unhandle Exception PlatformException(null-error, Host platform returned null value for non-null return value., null, null)

When I was make application for user signup and signin by using firebase but I cannot run as properly it give some error like bellow. E/flutter ( 6840): #0 FirebaseCoreHostApi.optionsFromResource (package:firebase_core_platform_interface/src/pigeon/messages.pigeon.dart:248:7) E/flutter ( 6840): <asynchronous suspension> E/flutter ( 6840): #1…

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