Add shared preferences and chats page

lib/chats.dart

@@ -0,0 +1,57 @@
+import 'package:flutter/material.dart';
+import 'package:matrix/matrix.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:zenith/zenith_client_provider.dart';
+
+class ChatsPage extends StatefulWidget {
+  const ChatsPage({super.key});
+
+  @override
+  State<ChatsPage> createState() => _ChatsPageState();
+}
+
+class _ChatsPageState extends State<ChatsPage> {
+  final serverController = TextEditingController();
+  final usernameController = TextEditingController();
+  final passwordController = TextEditingController();
+  late Client client;
+  bool roomsLoading = false;
+
+  @override
+  void initState() {
+    super.initState();
+    client = Provider.of<ZenithClientProvider>(context, listen: false).client;
+    client.onRoomState.stream.listen((event) {
+      print(event.type);
+    });
+  }
+
+  void sendMessage() {}
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
+        title: const Text("Zenith"),
+      ),
+      body: Padding(
+        padding: const EdgeInsets.all(16.0),
+        child: Center(
+          child: roomsLoading
+              ? const CircularProgressIndicator()
+              : Column(
+                  mainAxisAlignment: MainAxisAlignment.center,
+                  children: [Text("${client.rooms.length} Rooms.")],
+                ),
+        ),
+      ),
+      floatingActionButton: FloatingActionButton(
+        onPressed: sendMessage,
+        tooltip: 'Send message',
+        child: const Icon(Icons.send),
+      ),
+    );
+  }
+}

lib/login.dart

@@ -1,5 +1,9 @@
 import 'package:flutter/material.dart';
 import 'package:matrix/matrix.dart';
+import 'package:provider/provider.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:zenith/chats.dart';
+import 'package:zenith/zenith_client_provider.dart';
 
 class LoginPage extends StatefulWidget {
   const LoginPage({super.key});
@@ -14,24 +18,20 @@ class _LoginPageState extends State<LoginPage> {
   final passwordController = TextEditingController();
 
   void connectMatrix() async {
-    debugPrint("Making the client...");
+    final provider = Provider.of<ZenithClientProvider>(context, listen: false);
-    final client = Client("zenith");
+    await provider.initialize(serverController.text, usernameController.text,
-    client.onLoginStateChanged.stream.listen((event) {
+        passwordController.text);
-      debugPrint("LoginState=${event.toString()}");
-    });
 
-    debugPrint("Checking the homeserver...");
+    final prefs = await SharedPreferences.getInstance();
-    await client.checkHomeserver(Uri.parse(serverController.text));
+    prefs.setString("homeserver", serverController.text);
+    prefs.setString("username", usernameController.text);
+    prefs.setString("password", passwordController.text);
 
-    debugPrint("Logging in...");
+    if (!mounted) return;
-    await client.login(LoginType.mLoginPassword,
+    Navigator.pushAndRemoveUntil(
-        identifier: AuthenticationUserIdentifier(user: usernameController.text),
+        context,
-        password: passwordController.text);
+        MaterialPageRoute(builder: (context) => const ChatsPage()),
-
+        (route) => false);
-    for (var room in client.rooms) {
-      debugPrint(
-          "Room ID: ${room.id}, Room Name: ${room.getLocalizedDisplayname()}");
-    }
   }
 
   @override

lib/main.dart

@@ -1,5 +1,10 @@
 import 'package:flutter/material.dart';
+import 'package:matrix/matrix.dart';
+import 'package:shared_preferences/shared_preferences.dart';
+import 'package:zenith/chats.dart';
 import 'package:zenith/login.dart';
+import 'package:provider/provider.dart';
+import 'package:zenith/zenith_client_provider.dart';
 
 void main() {
   runApp(const MyApp());
@@ -10,13 +15,16 @@ class MyApp extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    return MaterialApp(
+    return ChangeNotifierProvider(
-      title: 'Zenith',
+      create: (context) => ZenithClientProvider(),
-      theme: ThemeData(
+      child: MaterialApp(
-        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+        title: 'Zenith',
-        useMaterial3: true,
+        theme: ThemeData(
+          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
+          useMaterial3: true,
+        ),
+        home: const MyHomePage(),
       ),
-      home: const MyHomePage(),
     );
   }
 }
@@ -29,13 +37,36 @@ class MyHomePage extends StatefulWidget {
 }
 
 class _MyHomePageState extends State<MyHomePage> {
+  bool savedCreds = false;
+
+  void getCreds() async {
+    final prefs = await SharedPreferences.getInstance();
+    final homeserver = prefs.getString("homeserver");
+    final username = prefs.getString("username");
+    final password = prefs.getString("password");
+
+    if (homeserver == null || username == null || password == null) return;
+    setState(() {
+      savedCreds = true;
+    });
+
+    if (!mounted) return;
+    final provider = Provider.of<ZenithClientProvider>(context, listen: false);
+    await provider.initialize(homeserver, username, password);
+  }
+
   @override
   void initState() {
     super.initState();
+    getCreds();
   }
 
   @override
   Widget build(BuildContext context) {
-    return const LoginPage();
+    if (!savedCreds) {
+      return const LoginPage();
+    } else {
+      return const ChatsPage();
+    }
   }
 }

lib/zenith_client_provider.dart

@@ -0,0 +1,25 @@
+import 'package:flutter/material.dart';
+import 'package:matrix/matrix.dart';
+
+class ZenithClientProvider extends ChangeNotifier {
+  late Client _client;
+
+  Client get client => _client;
+
+  void setClient(Client newClient) {
+    _client = newClient;
+    notifyListeners();
+  }
+
+  Future<void> initialize(
+      String homeserver, String username, String password) async {
+    _client = Client("zenith");
+    print("Checking homeserver...");
+    await client.checkHomeserver(Uri.parse(homeserver));
+    print("Logging in...");
+    await client.login(LoginType.mLoginPassword,
+        identifier: AuthenticationUserIdentifier(user: username),
+        password: password);
+    notifyListeners();
+  }
+}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -5,6 +5,8 @@
 import FlutterMacOS
 import Foundation
 
+import shared_preferences_foundation
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
+  SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))
 }

pubspec.lock

@@ -137,6 +137,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.0"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "5fc22d7c25582e38ad9a8515372cd9a93834027aacf1801cf01164dac0ffa08c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "7.0.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -171,6 +179,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   hive:
     dependency: transitive
     description:
@@ -315,6 +328,30 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.8.3"
+  path_provider_linux:
+    dependency: transitive
+    description:
+      name: path_provider_linux
+      sha256: f7a1fe3a634fe7734c8d3f2766ad746ae2a2884abe22e241a8b301bf5cac3279
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  path_provider_platform_interface:
+    dependency: transitive
+    description:
+      name: path_provider_platform_interface
+      sha256: "94b1e0dd80970c1ce43d5d4e050a9918fce4f4a775e6142424c30a29a363265c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      sha256: "8bc9f22eee8690981c22aa7fc602f5c85b497a6fb2ceb35ee5a5e5ed85ad8170"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
   petitparser:
     dependency: transitive
     description:
@@ -323,6 +360,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.4.0"
+  platform:
+    dependency: transitive
+    description:
+      name: platform
+      sha256: "0a279f0707af40c890e80b1e9df8bb761694c074ba7e1d4ab1bc4b728e200b59"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.3"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      sha256: f4f88d4a900933e7267e2b353594774fc0d07fb072b47eedcd5b54e1ea3269f8
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.7"
   pointycastle:
     dependency: transitive
     description:
@@ -355,6 +408,62 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.3.2"
+  shared_preferences:
+    dependency: "direct main"
+    description:
+      name: shared_preferences
+      sha256: "81429e4481e1ccfb51ede496e916348668fd0921627779233bd24cc3ff6abd02"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.2"
+  shared_preferences_android:
+    dependency: transitive
+    description:
+      name: shared_preferences_android
+      sha256: "8568a389334b6e83415b6aae55378e158fbc2314e074983362d20c562780fb06"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  shared_preferences_foundation:
+    dependency: transitive
+    description:
+      name: shared_preferences_foundation
+      sha256: "7bf53a9f2d007329ee6f3df7268fd498f8373602f943c975598bbb34649b62a7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.4"
+  shared_preferences_linux:
+    dependency: transitive
+    description:
+      name: shared_preferences_linux
+      sha256: "9f2cbcf46d4270ea8be39fa156d86379077c8a5228d9dfdb1164ae0bb93f1faa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  shared_preferences_platform_interface:
+    dependency: transitive
+    description:
+      name: shared_preferences_platform_interface
+      sha256: d4ec5fc9ebb2f2e056c617112aa75dcf92fc2e4faaf2ae999caa297473f75d8a
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.1"
+  shared_preferences_web:
+    dependency: transitive
+    description:
+      name: shared_preferences_web
+      sha256: d762709c2bbe80626ecc819143013cc820fa49ca5e363620ee20a8b15a3e3daf
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.1"
+  shared_preferences_windows:
+    dependency: transitive
+    description:
+      name: shared_preferences_windows
+      sha256: "841ad54f3c8381c480d0c9b508b89a34036f512482c407e6df7a9c4aa2ef8f59"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -472,6 +581,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.2"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      sha256: b0f37db61ba2f2e9b7a78a1caece0052564d1bc70668156cf3a29d676fe4e574
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.1.1"
+  xdg_directories:
+    dependency: transitive
+    description:
+      name: xdg_directories
+      sha256: "589ada45ba9e39405c198fe34eb0f607cddb2108527e658136120892beac46d2"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.3"
   xml:
     dependency: transitive
     description:
@@ -482,4 +607,4 @@ packages:
     version: "6.3.0"
 sdks:
   dart: ">=3.1.5 <4.0.0"
-  flutter: ">=1.20.0"
+  flutter: ">=3.7.0"

pubspec.yaml

@@ -39,6 +39,7 @@ dependencies:
   flutter_olm: ^1.4.1
   flutter_openssl_crypto: ^0.3.0
   provider: ^6.1.1
+  shared_preferences: ^2.2.2
 
 dev_dependencies:
   flutter_test: