wt1.0 bug fixing, push notification

lib/util/common.dart

@@ -1,3 +1,5 @@
+import 'dart:convert';
+
 import 'package:aitrainer_app/localization/app_language.dart';
 import 'package:aitrainer_app/model/auth.dart';
 import 'package:aitrainer_app/model/exercise_type.dart';
@@ -40,4 +42,9 @@ class Common {
 
     return dateName;
   }
+
+  static String utf8convert(String text) {
+    List<int> bytes = text.toString().codeUnits;
+    return utf8.decode(bytes);
+  }
 }

lib/util/session.dart

@@ -7,6 +7,8 @@ import 'package:flutter/services.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:aitrainer_app/model/auth.dart';
 
+import '../push_notifications.dart';
+
 class Session  {
 
   Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
@@ -22,6 +24,7 @@ class Session  {
       _fetchToken(_sharedPreferences, callback);
       initDeviceLocale();
       appLanguage.fetchLocale();
+      PushNotificationsManager().init();
     }
 
   }