create shaerd pref service

lib/screens/auth/login_screen.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:doctor_app_flutter/lookups/auth_lookup.dart';
+import 'package:doctor_app_flutter/util/dr_app_shared_pref.dart';
 import 'package:doctor_app_flutter/widgets/auth/known_user_login.dart';
 import 'package:flutter/material.dart';
 import 'package:shared_preferences/shared_preferences.dart';
@@ -8,6 +9,7 @@ import 'package:shared_preferences/shared_preferences.dart';
 import '../../widgets/auth/auth_header.dart';
 import '../../widgets/auth/login_form.dart';
 
+DrAppSharedPreferances ShPref = new DrAppSharedPreferances();
 class Loginsreen extends StatefulWidget {
   @override
   _LoginsreenState createState() => _LoginsreenState();
@@ -23,7 +25,14 @@ class _LoginsreenState extends State<Loginsreen> {
 
   Future<void> getSharedPref() async {
     final SharedPreferences prefs = await _prefs;
-    platformImei = prefs.getString('platformImei');
+    // platformImei = prefs.getString('platformImei');
+    ShPref.getString('platformImei').then((imei){
+      platformImei = imei;
+    });
+    ShPref.getObj('loggedInUser').then((loggedUser){
+      if(loggedUser == null){}
+      print('dddddddddddddddd${loggedUser}');
+    });
   }
 
   @override

lib/util/dr_app_shared_pref.dart

@@ -0,0 +1,85 @@
+import 'dart:convert';
+
+import 'package:shared_preferences/shared_preferences.dart';
+
+class DrAppSharedPreferances {
+  Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
+
+  setString(String key, String value) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.setString(key, value);
+  }
+
+  setStringList(String key, List<String> value) async {
+    final SharedPreferences prefs = await _prefs;
+
+    return prefs.setStringList(key, value);
+  }
+
+  setDouble(String key, double value) async {
+    final SharedPreferences prefs = await _prefs;
+
+    return prefs.setDouble(key, value);
+  }
+
+  setBool(String key, bool value) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.setBool(key, value);
+  }
+
+  setInt(String key, int value) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.setInt(key, value);
+  }
+
+  getString(String key) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.getString(key);
+  }
+
+  setObj(String key, value) async {
+    final SharedPreferences prefs = await _prefs;
+
+    return prefs.setString(key, json.encode(value));
+  }
+
+  getPref() async {
+    Future<SharedPreferences> _prefs = getInstance();
+    return await _prefs;
+  }
+
+  getInstance() {
+    return SharedPreferences.getInstance();
+  }
+
+  getStringList(String key) async {
+    final SharedPreferences prefs = await _prefs;
+
+    return prefs.getStringList(key);
+  }
+
+  getDouble(String key) async {
+    final SharedPreferences prefs = await _prefs;
+
+    return prefs.getDouble(key);
+  }
+
+  getBool(String key) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.getBool(key);
+  }
+
+  getInt(String key) async {
+    final SharedPreferences prefs = await _prefs;
+    return prefs.getInt(key);
+  }
+
+  getObj(String key) async{
+    final SharedPreferences prefs = await _prefs;
+    var string = prefs.getString(key);
+    if (string == null ){
+      return null;
+    }
+    return json.decode(prefs.getString(key));
+  }
+}

lib/widgets/auth/known_user_login.dart

@@ -65,13 +65,10 @@ class KnownUserLogin extends StatelessWidget {
                   ],
                 ),
               ),
-              // Container(
+              Positioned(
-              //   child: Image.asset(
+                  top: 7,
-              //     'assets/images/verification_fingerprint_lg_icon.png',
+                  right: 70,
-              //     fit: BoxFit.cover,
+                  child: Image.asset(
-              //   ),
-              // ),
-              Positioned(top: 7, right: 70, child:Image.asset(
                     'assets/images/close_icon.png',
                     fit: BoxFit.cover,
                   ))

lib/widgets/auth/login_form.dart

@@ -1,16 +1,18 @@
-import 'package:doctor_app_flutter/providers/projects_provider.dart';
+import '../../providers/projects_provider.dart';
-import 'package:doctor_app_flutter/util/dr_app_toast_msg.dart';
+import '../../util/dr_app_toast_msg.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 import 'package:flutter/services.dart';
 import 'package:hexcolor/hexcolor.dart';
 import 'package:imei_plugin/imei_plugin.dart';
 import 'package:provider/provider.dart';
-import 'package:shared_preferences/shared_preferences.dart';
 
 import '../../models/user_model.dart';
 import '../../providers/auth_provider.dart';
 import '../../routes.dart';
+import '../../util/dr_app_shared_pref.dart';
+
+DrAppSharedPreferances SharedPref = DrAppSharedPreferances();
 
 class LoginForm extends StatefulWidget with DrAppToastMsg {
   LoginForm({
@@ -170,7 +172,6 @@ class _LoginFormState extends State<LoginForm> {
                   onChanged: (value) {
                     userInfo.ProjectID = value;
                   }),
-
               SizedBox(
                 height: 20,
               ),
@@ -249,12 +250,12 @@ class _LoginFormState extends State<LoginForm> {
     }
   }
 
-  insertDeviceImei(res, AuthProvider authProv) {
+  insertDeviceImei(preRes, AuthProvider authProv) {
     if (_platformImei != 'Unknown') {
       var imeiInfo = {
         "IMEI": _platformImei,
         "LogInType": 1,
-        "DoctorID": res['DoctorID'],
+        "DoctorID": preRes['DoctorID'],
         "DoctorName": "Test User",
         "Gender": 1,
         "ClinicID": 3,
@@ -263,12 +264,13 @@ class _LoginFormState extends State<LoginForm> {
         "ClinicName": "MED",
         "ProjectName": "",
         "DoctorImageURL": "UNKNOWN",
-        "LogInTokenID": res['LogInTokenID'],
+        "LogInTokenID": preRes['LogInTokenID'],
         "VersionID": 1.2
       };
       authProv.insertDeviceImei(imeiInfo).then((res) {
         if (res['MessageStatus'] == 1) {
           setSharedPref('platformImei', _platformImei);
+          saveObjToString('loggedInUser', preRes);
           Navigator.of(context).pushNamed(HOME);
           // save imei on shared preferance
         } else {
@@ -307,12 +309,8 @@ class _LoginFormState extends State<LoginForm> {
   }
 
   Future<void> setSharedPref(key, value) async {
-    Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
+    SharedPref.setString(key, value).then(( success) {
-    final SharedPreferences prefs = await _prefs;
+      print("SharedPref.setString" + success.toString());
-
-    prefs.setString(key, value).then((bool success) {
-      print(prefs.getString('platformImei'));
-      return value;
     });
   }
 
@@ -341,4 +339,8 @@ class _LoginFormState extends State<LoginForm> {
 
     widget.showErrorToast(localMsg);
   }
+
+  saveObjToString(String key, value) async {
+    SharedPref.setObj(key, value);
+  }
 }