wait for update data and auto login

Author: duytq94

lib/login.dart

@@ -40,8 +40,26 @@ class LoginScreenState extends State<LoginScreen> {
   SharedPreferences prefs;
 
   bool isLoading = false;
+  bool isLoggedIn = false;
   FirebaseUser currentUser;
 
+  @override
+  void initState() {
+    super.initState();
+    isSignedIn();
+  }
+
+  void isSignedIn() async {
+    isLoggedIn = await googleSignIn.isSignedIn();
+    prefs = await SharedPreferences.getInstance();
+    if (isLoggedIn) {
+      Navigator.push(
+        context,
+        MaterialPageRoute(builder: (context) => MainScreen(currentUserId: prefs.getString('id'))),
+      );
+    }
+  }
+
   Future<Null> handleSignIn() async {
     prefs = await SharedPreferences.getInstance();
 

lib/settings.dart

@@ -88,7 +88,7 @@ class SettingsScreenState extends State<SettingsScreen> {
     Uri downloadUrl = (await uploadTask.future).downloadUrl;
     photoUrl = downloadUrl.toString();
 
-    Firestore.instance
+    await Firestore.instance
         .collection('users')
         .document(id)
         .updateData({'nickname': nickname, 'aboutMe': aboutMe, 'photoUrl': photoUrl});
@@ -108,7 +108,7 @@ class SettingsScreenState extends State<SettingsScreen> {
       isLoading = true;
     });
 
-    Firestore.instance
+    await Firestore.instance
         .collection('users')
         .document(id)
         .updateData({'nickname': nickname, 'aboutMe': aboutMe, 'photoUrl': photoUrl});