feat(dart): add local storage persistence (#13)

Co-authored-by: julianhartl <julian.hartl@selectcode.de>
Co-authored-by: simeng-li <simeng@silverhand.io>

Author: 3 people

example/ios/Flutter/AppFrameworkInfo.plist

@@ -21,6 +21,6 @@
   <key>CFBundleVersion</key>
   <string>1.0</string>
   <key>MinimumOSVersion</key>
-  <string>9.0</string>
+  <string>11.0</string>
 </dict>
 </plist>

example/ios/Podfile

@@ -1,5 +1,5 @@
 # Uncomment this line to define a global platform for your project
-# platform :ios, '9.0'
+# platform :ios, '11.0'
 
 # CocoaPods analytics sends network stats synchronously affecting flutter build latency.
 ENV['COCOAPODS_DISABLE_STATS'] = 'true'

example/lib/main.dart

@@ -1,9 +1,9 @@
-import 'package:http/http.dart' as http;
 import 'package:flutter/material.dart';
+import 'package:http/http.dart' as http;
+import 'package:logto_dart_sdk/logto_dart_sdk.dart';
 
-import 'package:logto_dart_sdk/logto_client.dart';
-
-void main() {
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
   runApp(const MyApp());
 }
 
@@ -38,6 +38,8 @@ class MyHomePage extends StatefulWidget {
 
 class _MyHomePageState extends State<MyHomePage> {
   String content = 'Logto SDK Demo Home Page';
+  bool isAuthenticated = false;
+
   final client = http.Client();
   final redirectUri = 'io.logto://callback';
   final config = const LogtoConfig(
@@ -51,24 +53,39 @@ class _MyHomePageState extends State<MyHomePage> {
     _init();
   }
 
+  void render() async {
+    if (await logtoClient.isAuthenticated) {
+      var claims = await logtoClient.idTokenClaims;
+      setState(() {
+        content = claims!.toJson().toString();
+        isAuthenticated = true;
+      });
+    }
+  }
+
   void _init() async {
     logtoClient = LogtoClient(config, client);
+    render();
   }
 
   void signInCallback() {
-    if (logtoClient.isAuthenticate) {
-      setState(() {
-        var claims = logtoClient.idTokenClaims?.toJson();
-
-        if (claims != null) {
-          content = claims.entries.map((e) => '${e.key}:${e.value}').join("\n");
-        }
-      });
-    }
+    render();
   }
 
   @override
   Widget build(BuildContext context) {
+    Widget signInButton = TextButton(
+      style: TextButton.styleFrom(
+        backgroundColor: Colors.deepPurpleAccent,
+        padding: const EdgeInsets.all(16.0),
+        textStyle: const TextStyle(fontSize: 20),
+      ),
+      onPressed: () {
+        logtoClient.signIn(context, redirectUri, signInCallback);
+      },
+      child: const Text('Sign In'),
+    );
+
     return Scaffold(
       appBar: AppBar(
         title: Text(widget.title),
@@ -79,21 +96,12 @@ class _MyHomePageState extends State<MyHomePage> {
           children: <Widget>[
             Container(
               padding: const EdgeInsets.all(64),
-              child: Text(
+              child: SelectableText(
                 content,
               ),
             ),
-            TextButton(
-              style: TextButton.styleFrom(
-                backgroundColor: Colors.deepPurpleAccent,
-                padding: const EdgeInsets.all(16.0),
-                textStyle: const TextStyle(fontSize: 20),
-              ),
-              onPressed: () {
-                logtoClient.signIn(context, redirectUri, signInCallback);
-              },
-              child: const Text('Sign In'),
-            ),
+            // TODO: show signout button
+            isAuthenticated ? signInButton : signInButton,
           ],
         ),
       ),

example/pubspec.lock

@@ -35,7 +35,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.8.2"
+    version: "2.9.0"
   boolean_selector:
     dependency: transitive
     description:
@@ -49,21 +49,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
-  charcode:
-    dependency: transitive
-    description:
-      name: charcode
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.1"
+    version: "1.2.1"
   clock:
     dependency: transitive
     description:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
@@ -112,7 +105,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.3.1"
   file:
     dependency: transitive
     description:
@@ -132,11 +125,58 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.1"
+  flutter_secure_storage:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.0.0"
+  flutter_secure_storage_linux:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  flutter_secure_storage_macos:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  flutter_secure_storage_platform_interface:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  flutter_secure_storage_web:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  flutter_secure_storage_windows:
+    dependency: transitive
+    description:
+      name: flutter_secure_storage_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.2"
   flutter_test:
     dependency: "direct dev"
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   frontend_server_client:
     dependency: transitive
     description:
@@ -227,21 +267,21 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.11"
+    version: "0.12.12"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.1.5"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0"
   mime:
     dependency: transitive
     description:
@@ -276,7 +316,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -365,7 +405,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.9.0"
   stack_trace:
     dependency: transitive
     description:
@@ -386,35 +426,35 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.1.1"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.2.1"
   test:
     dependency: transitive
     description:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.21.1"
+    version: "1.21.4"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.4.12"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.13"
+    version: "0.4.16"
   typed_data:
     dependency: transitive
     description: