flutter time babey

lib/api/oauth.dart

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+import 'package:http/http.dart' as http;

lib/api/user.dart

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+bool isValidUsername({required String name}) {
+  if (name.isEmpty) {
+    return false;
+  }
+  return RegExp(r".+\@.+\..+").hasMatch(cleanUpUsername(name: name));
+}
+
+String cleanUpUsername({required String name}) {
+  name = name.replaceAll(" ", "");
+  if (name.isNotEmpty) {
+    if (name[0] == "@") {
+      name = name.substring(1);
+    }
+  }
+  return name;
+}
+
+Uri urlFromUsername({required String name}) {
+  name = cleanUpUsername(name: name);
+  return Uri.parse("https://${name.substring(name.indexOf("@") + 1)}");
+}

lib/main.dart

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+import 'package:flutter/material.dart';
+import 'package:slothmu/partials/main_scaffold.dart';
+import 'pages/login.dart';
+
+void main() => runApp(MaterialApp(
+      initialRoute: '/login',
+      routes: {
+        '/': (context) => const MainScaffold(),
+        '/login': (context) => const Login(),
+      },
+    ));

lib/pages/chat/ chat.dart

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+import 'package:flutter/widgets.dart';
+
+Widget Chat() {
+  return Center(child: Text("Chat"));
+}

lib/pages/login.dart

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+import 'package:flutter/material.dart';
+import 'package:slothmu/api/user.dart';
+
+class Login extends StatefulWidget {
+  const Login({Key? key}) : super(key: key);
+
+  @override
+  State<Login> createState() => _LoginState();
+}
+
+class _LoginState extends State<Login> {
+  @override
+  Widget build(BuildContext context) {
+    return const Scaffold(
+      body: Padding(
+        padding: EdgeInsets.all(24),
+        child: LoginForm(),
+      ),
+    );
+  }
+}
+
+class LoginForm extends StatefulWidget {
+  const LoginForm({Key? key}) : super(key: key);
+
+  @override
+  State<LoginForm> createState() => _LoginFormState();
+}
+
+class _LoginFormState extends State<LoginForm> {
+  final formKey = GlobalKey<FormState>();
+
+  @override
+  Widget build(BuildContext context) {
+    return Form(
+      onChanged: () {
+        formKey.currentState!.validate();
+      },
+      key: formKey,
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.spaceAround,
+        children: [
+          const Text("Welcome!", style: TextStyle(fontSize: 64)),
+          TextFormField(
+            decoration: const InputDecoration(
+              labelText: "user id",
+              hintText: "user@example.com",
+              icon: Icon(Icons.person),
+              prefixText: "@",
+            ),
+            autofocus: true,
+            validator: (value) {
+              if (value!.isEmpty || !isValidUsername(name: value)) {
+                return "Sorry, this user id doesn't look quite right...";
+              } else {
+                return null;
+              }
+            },
+          ),
+          TextButton.icon(
+              onPressed: () {
+                final isValid = formKey.currentState!.validate();
+              },
+              icon: Icon(Icons.login),
+              label: Text("authorize in browser"))
+        ],
+      ),
+    );
+  }
+}

lib/pages/settings/settings.dart

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+import 'package:flutter/material.dart';
+import 'package:settings_ui/settings_ui.dart';
+
+Widget Settings() {
+  return SafeArea(
+    child: SettingsList(contentPadding: EdgeInsets.all(24), sections: [
+      SettingsSection(title: Text("General"), tiles: [
+        SettingsTile(
+          title: Text("Language"),
+          value: Text("no"),
+        )
+      ])
+    ]),
+  );
+}

lib/pages/timeline/timeline.dart

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+import 'package:flutter/material.dart';
+
+Widget Timeline() {
+  return Center(child: Text("Home"));
+}

lib/partials/main_scaffold.dart

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+import 'package:flutter/material.dart';
+import 'package:slothmu/pages/chat/%20chat.dart';
+import 'package:slothmu/pages/timeline/timeline.dart';
+import 'package:slothmu/pages/settings/settings.dart';
+
+class MainScaffold extends StatefulWidget {
+  const MainScaffold({Key? key}) : super(key: key);
+
+  @override
+  State<MainScaffold> createState() => _MainScaffoldState();
+}
+
+class _MainScaffoldState extends State<MainScaffold> {
+  int index = 0;
+  final screens = [
+    Timeline(),
+    Chat(),
+    Settings(),
+  ];
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: screens[index],
+      bottomNavigationBar: NavigationBar(
+          labelBehavior: NavigationDestinationLabelBehavior.onlyShowSelected,
+          elevation: 0,
+          height: 60,
+          onDestinationSelected: (index) => setState(() => this.index = index),
+          selectedIndex: index,
+          destinations: const [
+            NavigationDestination(
+                icon: Icon(Icons.list_alt), label: "Timeline"),
+            NavigationDestination(icon: Icon(Icons.chat), label: "Chat"),
+            NavigationDestination(
+                icon: Icon(Icons.settings), label: "Settings"),
+          ]),
+    );
+  }
+}