amseekbar 0.1.2

A seekbar for audio/video players. It shows the current time and the duration time directly in the seeker.

example/main.dart

import 'package:flutter/material.dart';
import 'package:amseekbar/amseekbar.dart';
import 'dart:async';

void main() => runApp(MyApp());

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // Try running your application with "flutter run". You'll see the
        // application has a blue toolbar. Then, without quitting the app, try
        // changing the primarySwatch below to Colors.green and then invoke
        // "hot reload" (press "r" in the console where you ran "flutter run",
        // or simply save your changes to "hot reload" in a Flutter IDE).
        // Notice that the counter didn't reset back to zero; the application
        // is not restarted.
        primarySwatch: Colors.blue,
      ),
      home: TestSeekBarPage(),
    );
  }
}

class TestSeekBarPage extends StatefulWidget {
  @override
  _TestSeekBarPageState createState() {
    return _TestSeekBarPageState();
  }
}

class _TestSeekBarPageState extends State<TestSeekBarPage> {
  double _value = 0.0;
  double _totalTime = 1 * 3600 + 48.0 * 60 + 23;

  Timer _progressTimer;

  bool _done = false;

  @override
  void initState() {
    _resumeProgressTimer();
    super.initState();
  }

  _resumeProgressTimer() {
    _progressTimer = Timer.periodic(const Duration(milliseconds: 1000), (_) {
      setState(() {
        _value += 1;

        if (_value >= _totalTime) {
          _value = _totalTime;
          _progressTimer.cancel();
          _done = true;
        }
      });
    });
  }

  @override
  void dispose() {
    _progressTimer?.cancel();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Container(
        padding: EdgeInsets.symmetric(horizontal: 5),
        alignment: Alignment.center,
        color: Colors.black87,
        child: SeekBar(
          currentTime: _value,
          durationTime: _totalTime,
          onStartTrackingTouch: () {
            if (!_done) {
              _progressTimer?.cancel();
            }
          },
          onProgressChanged: (value) {
            _value = value * _totalTime;
          },
          onStopTrackingTouch: () {
            if (!_done) {
              _resumeProgressTimer();
            }
          },
        ),
      ),
    );
  }
}