when session ended, show dialog to login.

lib/controllers/api_routes/api_manager.dart

@@ -1,10 +1,18 @@
 import 'dart:convert';
+import 'dart:io';
 
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:http/http.dart' as http;
 import 'package:http/http.dart';
+import 'package:provider/provider.dart';
+import 'package:test_sa/controllers/providers/api/user_provider.dart';
+import 'package:test_sa/controllers/providers/settings/setting_provider.dart';
+import 'package:test_sa/main.dart';
 import 'package:test_sa/models/user.dart';
+import 'package:test_sa/new_views/pages/login_page.dart';
 
 class ApiManager {
   ApiManager._();
@@ -24,19 +32,22 @@ class ApiManager {
     enableToastMessage = true,
   }) async {
     headers ??= {};
-
     headers.addAll(_headers);
-
     Uri _url = Uri.parse(url);
-    // print(_url);
-    //  print(headers);
     http.Response response = await http.get(_url, headers: headers);
-    if (jsonDecode(response.body) is Map<String, dynamic>) {
-      final message = jsonDecode(response.body)["message"];
-      if (message != null && message.toString().isNotEmpty && enableToastMessage) {
-        Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+
+    try {
+      if (response.statusCode == 401) {
+        showLoginDialog();
+      } else {
+        if (jsonDecode(response.body) is Map<String, dynamic>) {
+          final message = jsonDecode(response.body)["message"];
+          if (message != null && message.toString().isNotEmpty) {
+            Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+          }
+        }
       }
-    }
+    } catch (ex) {}
 
     return response;
   }
@@ -63,15 +74,18 @@ class ApiManager {
 
     http.StreamedResponse _streamedResponse = await request.send();
     http.Response response = await http.Response.fromStream(_streamedResponse);
-//    print(response.statusCode);
-//    log(response.body);
-
-    if (jsonDecode(response.body) is Map<String, dynamic>) {
-      final message = jsonDecode(response.body)["message"];
-      if (message != null && message.toString().isNotEmpty) {
-        Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+    try {
+      if (response.statusCode == 401) {
+        showLoginDialog();
+      } else {
+        if (jsonDecode(response.body) is Map<String, dynamic>) {
+          final message = jsonDecode(response.body)["message"];
+          if (message != null && message.toString().isNotEmpty) {
+            Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+          }
+        }
       }
-    }
+    } catch (ex) {}
 
     return response;
   }
@@ -95,14 +109,18 @@ class ApiManager {
 
     http.StreamedResponse streamedResponse = await request.send();
     http.Response response = await http.Response.fromStream(streamedResponse);
-    // print(response.statusCode);
-    // log(response.body);
-    if (jsonDecode(response.body) is Map<String, dynamic>) {
-      final message = jsonDecode(response.body)["message"];
-      if (message != null && message.toString().isNotEmpty) {
-        Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+    try {
+      if (response.statusCode == 401) {
+        showLoginDialog();
+      } else {
+        if (jsonDecode(response.body) is Map<String, dynamic>) {
+          final message = jsonDecode(response.body)["message"];
+          if (message != null && message.toString().isNotEmpty) {
+            Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+          }
+        }
       }
-    }
+    } catch (ex) {}
     return response;
   }
 
@@ -136,14 +154,59 @@ class ApiManager {
     // print(request.files);
     http.StreamedResponse streamedResponse = await request.send();
     http.Response response = await http.Response.fromStream(streamedResponse);
-    // print(response.statusCode);
-    // log(response.body);
-    if (jsonDecode(response.body) is Map<String, dynamic>) {
-      final message = jsonDecode(response.body)["message"];
-      if (message != null && message.toString().isNotEmpty) {
-        Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+    try {
+      if (response.statusCode == 401) {
+        showLoginDialog();
+      } else {
+        if (jsonDecode(response.body) is Map<String, dynamic>) {
+          final message = jsonDecode(response.body)["message"];
+          if (message != null && message.toString().isNotEmpty) {
+            Fluttertoast.showToast(msg: message ?? "", toastLength: Toast.LENGTH_LONG);
+          }
+        }
       }
-    }
+    } catch (ex) {}
     return response;
   }
+
+  void showLoginDialog() {
+    showDialog(
+        context: navigatorKey.currentContext,
+        barrierDismissible: false,
+        builder: (_) => Platform.isIOS
+            ? CupertinoAlertDialog(
+                title: Text('Session Expired'),
+                content: Text('Login session is expired,\nPlease login.'),
+                //actionsAlignment: MainAxisAlignment.center,
+                actions: [
+                  CupertinoButton(
+                    child: Text("Login"),
+                    onPressed: () {
+                      logout(navigatorKey.currentContext);
+                    },
+                  )
+                ],
+              )
+            : AlertDialog(
+                title: Text('Session Expired'),
+                content: Text('Login session is expired,\nPlease login.'),
+                actionsAlignment: MainAxisAlignment.center,
+                contentPadding: EdgeInsets.only(left: 24.0, top: 20.0, right: 24.0, bottom: 16.0),
+                actions: [
+                  FilledButton(
+                    child: Text("Login"),
+                    onPressed: () {
+                      logout(navigatorKey.currentContext);
+                    },
+                  )
+                ],
+              ));
+  }
+
+  void logout(context) async {
+    await Provider.of<SettingProvider>(context, listen: false).resetSettings();
+    Provider.of<UserProvider>(context, listen: false).reset();
+    Navigator.pop(context);
+    Navigator.of(context).pushNamedAndRemoveUntil(LoginPage.routeName, (routes) => true);
+  }
 }

lib/main.dart

@@ -125,6 +125,8 @@ void main() async {
   runApp(ChangeNotifierProvider(create: (_) => SettingProvider(), child: const MyApp()));
 }
 
+final navigatorKey = GlobalKey<NavigatorState>();
+
 class MyApp extends StatelessWidget {
   const MyApp({Key key}) : super(key: key);
 
@@ -221,6 +223,7 @@ class MyApp extends StatelessWidget {
           supportedLocales: AppLocalizations.supportedLocales,
           locale: Locale(settingProvider.language ?? 'en'),
           initialRoute: SplashPage.routeName,
+          navigatorKey: navigatorKey,
           routes: {
             SplashPage.routeName: (_) => const SplashPage(),
             LoginPage.routeName: (_) => const LoginPage(),