first step from dealing with shared preferences

lib/routes.dart

@@ -10,9 +10,9 @@ import './screens/my_schedule_screen.dart';
 import './screens/patients/patient_search_screen.dart';
 import './screens/patients/patients_list_screen.dart';
 
-const String INIT_ROUTE = 'login';
 const String HOME = '/';
 const String LOGIN = 'login';
+const String INIT_ROUTE = LOGIN;
 const String MY_SCHEDULE = 'my-schedule';
 const String QR_READER = 'qr_reader';
 const String PATIENT_SEARCH = 'patients/patient-search';

lib/screens/auth/login_screen.dart

@@ -1,10 +1,30 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
 import '../../widgets/auth/auth_header.dart';
 import '../../widgets/auth/login_form.dart';
 import 'package:flutter/material.dart';
+import 'dart:async';
 
 class Loginsreen extends StatelessWidget {
+  // Future<SharedPreferences> pref = SharedPreferences.getInstance();
+  Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
+  // final SharedPreferences prefs = await _prefs;
+
+  Future<void> _incrementCounter() async {
+    final SharedPreferences prefs = await _prefs;
+    final int counter = (prefs.getInt('counter') ?? 0) + 1;
+     var x = prefs.getInt('counter22222'); 
+    // setState(() {
+      print(x);
+       prefs.setInt("counter", counter).then((bool success) {
+        return counter;
+      // });
+    });
+  }
   @override
   Widget build(BuildContext context) {
+    // prefs.setInt("counter", 1);
+    _incrementCounter();
     return Scaffold(
       backgroundColor: Colors.white,
       body: SingleChildScrollView(

lib/widgets/shared/app.drawer.dart

@@ -1,17 +1,34 @@
+import 'package:shared_preferences/shared_preferences.dart';
+
 import '../../routes.dart';
 import 'package:flutter/material.dart';
 import '../../i18n/ar.i18n.dart' as ar;
 import '../../i18n/en.i18n.dart' as en;
 
 class AppDrawer extends StatelessWidget {
-   ar.Ar arLang = ar.Ar();
-   en.En enLang = en.En();
+  ar.Ar arLang = ar.Ar();
+  en.En enLang = en.En();
+
+  Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
+  // final SharedPreferences prefs = await _prefs;
+
+  Future<void> getCounter() async {
+    final SharedPreferences prefs = await _prefs;
+    final int counter = (prefs.getInt('counter') ?? 0);
+    print("dddddd" + prefs.getInt('counter').toString());
+    // setState(() {
+    // prefs.setInt("counter", counter).then((bool success) {
+    //   print(counter);
+    //   return counter;
+    //   // });
+    // });
+  }
+
   @override
   Widget build(BuildContext context) {
-
-   print(arLang.button.save);
-   print(enLang.button.save);
-   
+    print(arLang.button.save);
+    print(enLang.button.save);
+    getCounter();
     return Drawer(
       child: Column(
         children: <Widget>[
@@ -37,7 +54,7 @@ class AppDrawer extends StatelessWidget {
           ListTile(
             title: Text('Settings'),
             leading: Icon(Icons.settings),
-             onTap: () {
+            onTap: () {
               drawerNavigator(context, SETTINGS);
             },
           ),
@@ -54,7 +71,7 @@ class AppDrawer extends StatelessWidget {
             title: Text('Log Out'),
             leading: Icon(Icons.exit_to_app),
             onTap: () {
-               drawerNavigator(context, LOGIN);
+              drawerNavigator(context, LOGIN);
             },
           )
         ],

pubspec.lock

@@ -207,6 +207,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   glob:
     dependency: transitive
     description:
@@ -438,6 +443,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.0.4+2"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.5.6+3"
+  shared_preferences_macos:
+    dependency: transitive
+    description:
+      name: shared_preferences_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+6"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.2+4"
   shelf:
     dependency: transitive
     description:
@@ -564,3 +597,4 @@ packages:
     version: "2.2.0"
 sdks:
   dart: ">=2.7.0 <3.0.0"
+  flutter: ">=1.12.13+hotfix.4 <2.0.0"

pubspec.yaml

@@ -25,6 +25,7 @@ dependencies:
   http: ^0.12.0+4
   provider: ^3.0.0
   i18n: any
+  shared_preferences: ^0.5.6+3
 
   # The following adds the Cupertino Icons font to your application.
   # Use with the CupertinoIcons class for iOS style icons.