record_widget 0.0.8

Library for record widget to image realtime fast and can render to video

example/lib/main.dart

// ignore_for_file: unnecessary_brace_in_string_interps, avoid_print, non_constant_identifier_names

import 'dart:async';
import 'dart:io';

import 'package:flutter/material.dart';
import 'package:record_widget/record_widget.dart';
import "package:path/path.dart" as path;

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      title: 'Record Widget',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: const MyHomePage(title: 'Record Widget'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({Key? key, required this.title}) : super(key: key);

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  RecordWidgetController controller = RecordWidgetController(
    pixelRatio: 1.0,
    directory_folder_render:
        Directory(path.join(Directory.current.path, "result")),
  );

  bool is_stop = false;
  void _incrementCounter() {
    setState(() {
      _counter++;
    });
  }

  @override
  void initState() {
    super.initState();
    WidgetsBinding.instance.addPostFrameCallback((_) async {
      controller.start();
      Timer.periodic(const Duration(microseconds: 1), task);
    });
  }

  task(Timer timer) async {
    if (is_stop) {
      return;
    }
    _incrementCounter();
  }

  @override
  Widget build(BuildContext context) {
    return RecordWidget(
      controller: controller,
      child: Scaffold(
        appBar: AppBar(
          title: Text(widget.title),
        ),
        body: Center(
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            children: [
              const Text(
                'You have pushed the button this many times:',
              ),
              Center(
                child: Text(
                  '${_counter}',
                  style: Theme.of(context).textTheme.headlineMedium,
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(10),
                child: ElevatedButton(
                  onPressed: () {
                    controller.start();
                  },
                  child: const Text('Start'),
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(10),
                child: ElevatedButton(
                  onPressed: () {
                    controller.stop();
                  },
                  child: const Text('Stop'),
                ),
              ),
              Padding(
                padding: const EdgeInsets.all(10),
                child: ElevatedButton(
                  onPressed: () async {
                    controller.stop();
                    setState(() {
                      is_stop = true;
                    });

                    Future(() async {
                      bool is_saved = await controller.renderToVideoMp4(
                        outputFile: File(
                          path.join(
                            controller.directory_folder_render.path,
                            "output.mp4",
                          ),
                        ),
                      );

                      print(is_saved);

                      setState(() {
                        is_stop = false;
                      });
                    });
                  },
                  child: const Text('Render To Video'),
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}