general_audio_waveforms 0.0.8

general_audio_waveforms: ^0.0.8 copied to clipboard

example/lib/main.dart

import 'dart:async';

import 'package:flutter/material.dart';
import 'package:general_audio_waveforms/general_audio_waveforms.dart';
import 'package:permission_handler/permission_handler.dart';

void main() {
  runApp(const MyApp());
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'General Audio Waveform',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'General Audio Waveforms'),
    );
  }
}

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

  final String title;

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

class _MyHomePageState extends State<MyHomePage> {
  Duration elapsedTime = const Duration(seconds: 0);
  Duration maxDuration = const Duration(seconds: 150);
  // List<double> samples = [];

  // String path = "/storage/emulated/0/Download/sample.mp3";
  String path = "/storage/emulated/0/Download/file_example_MP3_700KB.mp3";
  // String path = "/sdcard/Download/sample.mp3";

  @override
  void initState() {
    // getData();

    Timer.periodic(const Duration(seconds: 1), (timer) {
      if (elapsedTime.inSeconds < maxDuration.inSeconds) {
        // setState(() {
        //   elapsedTime += const Duration(seconds: 1);
        // });
      } else {
        timer.cancel();
      }
    });
    super.initState();
  }

  Future<void> requestPermissions() async {
    await [
      Permission.storage,
      Permission.manageExternalStorage,
      Permission.mediaLibrary,
    ].request();
  }

  Future<void> getData() async {
    debugPrint("ooops${await GeneralAudioWaveformData(source: AudioFileSource(path: path)).getData()}");
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: [
            // GeneralAudioWaveform(
            //   activeColor: Colors.red,
            //   scalingAlgorithmType: ScalingAlgorithmType.average,
            //   maxDuration: maxDuration,
            //   elapsedDuration: elapsedTime,
            //   elapsedIsChanged: (d){
            //     setState(() {
            //       elapsedTime = d;
            //     });
            //   },
            //   source: AudioFileSource(path: path),
            //   height: 100,
            //   width: MediaQuery.of(context).size.width * 0.5 ,maxSamples: 50,
            // ),
            GeneralAudioWaveform(
              scalingAlgorithmType: ScalingAlgorithmType.average,
              source: AudioAssetSource(path: "assets/sample.mp3"),
              maxSamples: 20,
              waveformType: WaveformType.pulse,
              maxDuration: maxDuration,
              elapsedDuration: elapsedTime,
              elapsedIsChanged: (d) {
                setState(() {
                  elapsedTime = d;
                });
              },
            ),

            TextButton(
                onPressed: () {
                  getData();
                },
                child: const Text("Get data"))
          ],
        ),
      ),
    );
  }
}