lovoj_video_editor 0.5.0

Custom short video recording & editing SDK for Flutter — Camera2/MediaCodec (Android) + AVFoundation (iOS).

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:lovoj_video_editor/lovoj_video_editor.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await VideoEditorSdk.initialize();
  runApp(const ExampleApp());
}

class ExampleApp extends StatelessWidget {
  const ExampleApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Lovoj Video Editor',
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const HomeScreen(),
    );
  }
}

class HomeScreen extends StatelessWidget {
  const HomeScreen({super.key});

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Lovoj Video Editor SDK')),
      body: ListView(
        padding: const EdgeInsets.all(24),
        children: [
          const Icon(Icons.videocam, size: 72, color: Colors.deepPurple),
          const SizedBox(height: 16),
          const Text(
            'Full-featured short video SDK',
            style: TextStyle(fontSize: 22, fontWeight: FontWeight.bold),
            textAlign: TextAlign.center,
          ),
          const SizedBox(height: 8),
          const Text(
            'Recording · Filters · AR · Music · Multi-clip · Trim · Speed · Text · Voice-over',
            textAlign: TextAlign.center,
          ),
          const SizedBox(height: 32),
          _FeatureTile(icon: Icons.timer, title: 'Countdown timer', subtitle: '3 sec before record'),
          _FeatureTile(icon: Icons.filter_vintage, title: 'Real-time filters', subtitle: 'Beauty, warm, cool, vintage…'),
          _FeatureTile(icon: Icons.face_retouching_natural, title: 'AR face stickers', subtitle: 'Cat ears, glasses, crown…'),
          _FeatureTile(icon: Icons.music_note, title: 'Music during recording', subtitle: 'Background track + mix'),
          _FeatureTile(icon: Icons.video_library, title: 'Multi-clip merge', subtitle: 'Sequential clips auto-merged'),
          const SizedBox(height: 24),
          FilledButton.icon(
            onPressed: () => _openRecording(context),
            icon: const Icon(Icons.fiber_manual_record),
            label: const Text('Start Recording'),
          ),
          const SizedBox(height: 12),
          OutlinedButton.icon(
            onPressed: () => _showApiSnippet(context),
            icon: const Icon(Icons.code),
            label: const Text('View API'),
          ),
        ],
      ),
    );
  }

  void _openRecording(BuildContext context) {
    Navigator.of(context).push<String>(
      MaterialPageRoute(
        builder: (_) => RecordingScreen(
          config: const RecordingConfig(
            countdownSec: 3,
            enableCountdown: true,
            autoMergeClips: true,
            maxClipDurationSec: 60,
            arEffect: ArEffect(type: ArEffectType.none),
          ),
          onRecordingComplete: (path) {
            Navigator.of(context).push(
              MaterialPageRoute(builder: (_) => EditorScreen(videoPath: path)),
            );
          },
        ),
      ),
    );
  }

  void _showApiSnippet(BuildContext context) {
    showDialog<void>(
      context: context,
      builder: (ctx) => AlertDialog(
        title: const Text('Quick Start'),
        content: const SingleChildScrollView(
          child: Text('''
await VideoEditorSdk.initialize();

// Recording
RecordingScreen(config: RecordingConfig(
  countdownSec: 3,
  autoMergeClips: true,
  arEffect: ArEffect(type: ArEffectType.glasses),
))

// Editing
final session = VideoEditorSdk.instance.editVideo(path);
session.trimClip(0, startMs: 0, endMs: 30000);
session.setClipSpeed(0, 2.0);
session.addTextOverlay(TextOverlay(...));
session.setArEffect(ArEffect(type: ArEffectType.catEars));
await session.export();
'''),
        ),
        actions: [
          TextButton(onPressed: () => Navigator.pop(ctx), child: const Text('Close')),
        ],
      ),
    );
  }
}

class _FeatureTile extends StatelessWidget {
  const _FeatureTile({required this.icon, required this.title, required this.subtitle});
  final IconData icon;
  final String title;
  final String subtitle;

  @override
  Widget build(BuildContext context) {
    return ListTile(
      leading: Icon(icon, color: Colors.deepPurple),
      title: Text(title),
      subtitle: Text(subtitle),
    );
  }
}