IMei Works finaly

lib/screens/auth/login_screen.dart

@@ -7,39 +7,70 @@ import 'package:shared_preferences/shared_preferences.dart';
 import '../../widgets/auth/auth_header.dart';
 import '../../widgets/auth/login_form.dart';
 
-class Loginsreen extends StatelessWidget {
+class Loginsreen extends StatefulWidget {
+  @override
+  _LoginsreenState createState() => _LoginsreenState();
+}
+
+class _LoginsreenState extends State<Loginsreen> {
   Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
-  int platformImei;
+
+  String platformImei;
+
+  Future<String> platformImeiText;
+
   Future<void> _incrementCounter() async {
     final SharedPreferences prefs = await _prefs;
     final int counter = (prefs.getInt('counter') ?? 0) + 1;
-      platformImei = prefs.getInt('platformImei'); 
+    platformImei = prefs.getString('platformImei');
     // setState(() {
-      print('platformImei'+platformImei.toString());
+    print(platformImei);
-       prefs.setInt("counter", counter).then((bool success) {
+    prefs.setInt("counter", counter).then((bool success) {
-        return counter;
+      return counter;
       // });
     });
   }
+
   @override
-  Widget build(BuildContext context) {
+  void initState() {
+    super.initState();
+    platformImeiText = _prefs.then((SharedPreferences prefs) {
+      return (prefs.getString('platformImei'));
+    });
+  }
 
+  @override
+  Widget build(BuildContext context) {
     // prefs.setInt("counter", 1);
     _incrementCounter();
     return Scaffold(
       backgroundColor: Colors.white,
       body: SingleChildScrollView(
-        child: Container(
+        child: FutureBuilder(
-            margin: EdgeInsetsDirectional.fromSTEB(30, 0, 0, 0),
+            future: platformImeiText,
-            alignment: Alignment.topLeft,
+            builder: (BuildContext context, AsyncSnapshot<String> snapshot) {
-            child: Column(
+              switch (snapshot.connectionState) {
-                crossAxisAlignment: CrossAxisAlignment.start,
+                case ConnectionState.waiting:
-                children: <Widget>[
+                  return const CircularProgressIndicator();
-                  AuthHeader(),
+                default:
-                  platformImei == null?LoginForm():KnownUserLogin(),
+                  if (snapshot.hasError) {
-                ])),
+                    return Text('Error: ${snapshot.error}');
+                  } else {
+                    return Container(
+                        margin: EdgeInsetsDirectional.fromSTEB(30, 0, 0, 0),
+                        alignment: Alignment.topLeft,
+                        child: Column(
+                            crossAxisAlignment: CrossAxisAlignment.start,
+                            children: <Widget>[
+                              AuthHeader(),
+                              (platformImei == null)
+                                  ? LoginForm()
+                                  : KnownUserLogin(),
+                            ]));
+                  }
+              }
+            }),
       ),
     );
   }
 }
-

lib/widgets/auth/login_form.dart

@@ -151,10 +151,9 @@ class _LoginFormState extends State<LoginForm> {
               //     return null;
               //   },
               // ),
-              // 
+              //
               Container(
                 decoration: BoxDecoration(
-                  
                   borderRadius: BorderRadius.all(Radius.circular(10.0)),
                   // border: Border.all(color: Theme.of(context).primaryColor),
                 ),
@@ -179,7 +178,7 @@ class _LoginFormState extends State<LoginForm> {
                   },
                 ),
               ),
-              
+
               SizedBox(
                 height: 20,
               ),
@@ -258,31 +257,33 @@ class _LoginFormState extends State<LoginForm> {
   }
 
   insertDeviceImei(res, AuthProvider authProv) {
-    var imeiInfo = {
+    if (_platformImei != 'Unknown') {
-      "IMEI": _platformImei.toString(),
+      var imeiInfo = {
-      "LogInType": 1,
+        "IMEI": _platformImei,
-      "DoctorID": res['DoctorID'],
+        "LogInType": 1,
-      "DoctorName": "Test User",
+        "DoctorID": res['DoctorID'],
-      "Gender": 1,
+        "DoctorName": "Test User",
-      "ClinicID": 3,
+        "Gender": 1,
-      "ProjectID": 15,
+        "ClinicID": 3,
-      "DoctorTitle": "Mr.",
+        "ProjectID": 15,
-      "ClinicName": "MED",
+        "DoctorTitle": "Mr.",
-      "ProjectName": "",
+        "ClinicName": "MED",
-      "DoctorImageURL": "UNKNOWN",
+        "ProjectName": "",
-      "LogInTokenID": res['LogInTokenID'],
+        "DoctorImageURL": "UNKNOWN",
-      "VersionID": 1.2
+        "LogInTokenID": res['LogInTokenID'],
-    };
+        "VersionID": 1.2
-    authProv.insertDeviceImei(imeiInfo).then((res) {
+      };
-      if (res['MessageStatus'] == 1) {
+      authProv.insertDeviceImei(imeiInfo).then((res) {
-        setSharedPref('platformImei', _platformImei);
+        if (res['MessageStatus'] == 1) {
-        // save imei on shared preferance
+          setSharedPref('platformImei', _platformImei);
-      } else {
+          // save imei on shared preferance
-        // handel error
+        } else {
-      }
+          // handel error
-    }).catchError((err) {
+        }
-      print(err);
+      }).catchError((err) {
-    });
+        print(err);
+      });
+    }
   }
 
   // Platform messages are asynchronous, so we initialize in an async method.
@@ -313,8 +314,10 @@ class _LoginFormState extends State<LoginForm> {
     Future<SharedPreferences> _prefs = SharedPreferences.getInstance();
     final SharedPreferences prefs = await _prefs;
 
-    prefs.setInt(key, value).then((bool success) {
+    prefs.setString(key, value).then((bool success) {
-      return;
+      print('EEEEEEEEEEee');
+      print(prefs.getString('platformImei'));
+      return value;
     });
   }