wireless camera app for Android

Stream a phone's camera to a tablet over WiFi/hotspot. WebSocket transport with native YUV-to-JPEG encoding, UDP auto-discovery, remote control (zoom, flash, camera switch, rotate, mirror) from the viewer.
2026-03-06 18:14:27 +00:00
commit 1660696d7f
32 changed files with 1962 additions and 0 deletions
--- a/lib/home_screen.dart
+++ b/lib/home_screen.dart
@@ -0,0 +1,97 @@
+import 'package:flutter/material.dart';
+
+import 'package:external_cam/camera_screen.dart';
+import 'package:external_cam/viewer_screen.dart';
+
+class HomeScreen extends StatelessWidget {
+  const HomeScreen({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: const Text('External Cam')),
+      body: Center(
+        child: Padding(
+          padding: const EdgeInsets.all(32),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              _ModeCard(
+                icon: Icons.camera_alt,
+                title: 'Camera',
+                subtitle: 'Stream this device\'s camera over USB',
+                onTap: () => Navigator.push(
+                  context,
+                  MaterialPageRoute(builder: (_) => const CameraScreen()),
+                ),
+              ),
+              const SizedBox(height: 24),
+              _ModeCard(
+                icon: Icons.tv,
+                title: 'Viewer',
+                subtitle: 'View the camera stream from a connected device',
+                onTap: () => Navigator.push(
+                  context,
+                  MaterialPageRoute(builder: (_) => const ViewerScreen()),
+                ),
+              ),
+              const SizedBox(height: 32),
+              Text(
+                'Connect both devices with USB-C, then enable\n'
+                'USB tethering on the camera device.',
+                textAlign: TextAlign.center,
+                style: Theme.of(context).textTheme.bodySmall,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class _ModeCard extends StatelessWidget {
+  const _ModeCard({
+    required this.icon,
+    required this.title,
+    required this.subtitle,
+    required this.onTap,
+  });
+
+  final IconData icon;
+  final String title;
+  final String subtitle;
+  final VoidCallback onTap;
+
+  @override
+  Widget build(BuildContext context) {
+    return Card(
+      child: InkWell(
+        onTap: onTap,
+        borderRadius: BorderRadius.circular(12),
+        child: Padding(
+          padding: const EdgeInsets.all(32),
+          child: Row(
+            children: [
+              Icon(icon, size: 48),
+              const SizedBox(width: 24),
+              Expanded(
+                child: Column(
+                  crossAxisAlignment: CrossAxisAlignment.start,
+                  children: [
+                    Text(
+                      title,
+                      style: Theme.of(context).textTheme.headlineSmall,
+                    ),
+                    Text(subtitle),
+                  ],
+                ),
+              ),
+              const Icon(Icons.chevron_right),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}