seekbar 0.1.0 
seekbar: ^0.1.0 copied to clipboard
A Flutter package with a lightweight SeekBar and an AdvancedSeekBar featuring indicators, ticks, and discrete modes.
import 'package:flutter/material.dart';
import 'package:seekbar/seekbar.dart';
void main() {
runApp(const SeekBarExampleApp());
}
class SeekBarExampleApp extends StatelessWidget {
const SeekBarExampleApp({Key? key}) : super(key: key);
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'SeekBar Example',
theme: ThemeData.dark(),
home: const SeekBarExamplePage(),
);
}
}
class SeekBarExamplePage extends StatefulWidget {
const SeekBarExamplePage({Key? key}) : super(key: key);
@override
State<SeekBarExamplePage> createState() => _SeekBarExamplePageState();
}
class _SeekBarExamplePageState extends State<SeekBarExamplePage> {
double _legacyValue = 0.35;
double _legacySecondValue = 0.7;
bool _legacyTracking = false;
String _legacyEvent = 'idle';
double _advancedContinuousValue = 34.6;
double _advancedCallbackValue = 50;
double _advancedCallbackChangedValue = 50;
String _advancedCallbackState = 'idle';
bool _advancedCallbackFromUser = false;
int _advancedCallbackThumbIndex = 2;
String _advancedCallbackTickText = 'Medium';
double _advancedDiscreteValue = 50;
bool _advancedR2l = false;
bool _advancedOnlyThumbDraggable = false;
bool _advancedSeekSmoothly = false;
bool _advancedThumbAdjustAuto = true;
bool _advancedUserSeekable = true;
bool _advancedHideEndTicks = false;
bool _advancedHideSweptTicks = false;
bool _advancedBubbleIndicator = true;
String _advancedEvent = 'idle';
void _reset() {
setState(() {
_legacyValue = 0.35;
_legacySecondValue = 0.7;
_legacyTracking = false;
_legacyEvent = 'reset';
_advancedContinuousValue = 34.6;
_advancedCallbackValue = 50;
_advancedCallbackChangedValue = 50;
_advancedCallbackState = 'idle';
_advancedCallbackFromUser = false;
_advancedCallbackThumbIndex = 2;
_advancedCallbackTickText = 'Medium';
_advancedDiscreteValue = 50;
_advancedR2l = false;
_advancedOnlyThumbDraggable = false;
_advancedSeekSmoothly = false;
_advancedThumbAdjustAuto = true;
_advancedUserSeekable = true;
_advancedHideEndTicks = false;
_advancedHideSweptTicks = false;
_advancedBubbleIndicator = true;
_advancedEvent = 'reset';
});
}
String _formatValue(double value) {
return value.toStringAsFixed(2);
}
Widget _buildCallbackInfo(String label, String value) {
return Padding(
padding: const EdgeInsets.only(bottom: 6),
child: Text('$label: $value'),
);
}
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('SeekBar Example'),
),
body: Center(
child: ConstrainedBox(
constraints: const BoxConstraints(maxWidth: 560),
child: ListView(
padding: const EdgeInsets.all(24),
children: [
_SectionCard(
title: 'Legacy SeekBar',
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Container(
padding: const EdgeInsets.symmetric(
horizontal: 20,
vertical: 28,
),
decoration: BoxDecoration(
color: Colors.black87,
borderRadius: BorderRadius.circular(16),
),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
SeekBar(
value: _legacyValue,
secondValue: _legacySecondValue,
progressColor: Colors.lightBlueAccent,
secondProgressColor: Colors.lightBlueAccent
.withAlpha(89),
barColor: Colors.white24,
thumbColor: Colors.white,
onStartTrackingTouch: () {
setState(() {
_legacyTracking = true;
_legacyEvent = 'drag start';
});
},
onProgressChanged: (value) {
setState(() {
_legacyValue = value;
if (_legacySecondValue < value) {
_legacySecondValue = value;
}
_legacyEvent =
'drag update ${_formatValue(value)}';
});
},
onStopTrackingTouch: () {
setState(() {
_legacyTracking = false;
_legacyEvent = 'drag end';
});
},
),
const SizedBox(height: 24),
Text('tracking: ${_legacyTracking ? 'yes' : 'no'}'),
const SizedBox(height: 8),
Text('last event: $_legacyEvent'),
const SizedBox(height: 8),
Text('primary value: ${_formatValue(_legacyValue)}'),
const SizedBox(height: 8),
Text(
'secondary value: ${_formatValue(_legacySecondValue)}',
),
],
),
),
const SizedBox(height: 16),
const Text('Primary Value'),
Slider(
value: _legacyValue,
onChanged: (value) {
setState(() {
_legacyValue = value;
if (_legacySecondValue < value) {
_legacySecondValue = value;
}
_legacyEvent =
'primary slider ${_formatValue(value)}';
});
},
),
const SizedBox(height: 12),
const Text('Secondary Value'),
Slider(
value: _legacySecondValue,
onChanged: (value) {
setState(() {
_legacySecondValue =
value < _legacyValue ? _legacyValue : value;
_legacyEvent =
'secondary slider ${_formatValue(_legacySecondValue)}';
});
},
),
],
),
),
const SizedBox(height: 20),
_SectionCard(
title: 'AdvancedSeekBar Continuous',
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
AdvancedSeekBar(
min: -20,
max: 120,
progress: _advancedContinuousValue,
progressValueFloat: true,
showThumbText: true,
indicatorAlwaysShown: true,
indicatorType: AdvancedSeekBarIndicatorType.rectangle,
indicatorTextFormat:
'value ${AdvancedSeekBarFormat.progress}',
activeTrackColor: Colors.orangeAccent,
thumbColor: Colors.orangeAccent,
onSeeking: (value) {
setState(() {
_advancedContinuousValue = value.progressDouble;
_advancedEvent =
'continuous ${_formatValue(value.progressDouble)}';
});
},
),
const SizedBox(height: 12),
Text(
'continuous value: ${_formatValue(_advancedContinuousValue)}',
),
const SizedBox(height: 12),
Slider(
min: -20,
max: 120,
value: _advancedContinuousValue,
onChanged: (value) {
setState(() {
_advancedContinuousValue = value;
_advancedEvent =
'continuous slider ${_formatValue(value)}';
});
},
),
],
),
),
const SizedBox(height: 20),
_SectionCard(
title: 'AdvancedSeekBar Callback Inspector',
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
AdvancedSeekBar(
min: 0,
max: 100,
progress: _advancedCallbackValue,
progressValueFloat: true,
ticksCount: 5,
showTickTexts: true,
tickTexts: const ['XS', 'S', 'Medium', 'Large', 'XL'],
tickMarkType: AdvancedSeekBarTickMarkType.square,
showThumbText: true,
indicatorType: AdvancedSeekBarIndicatorType.roundedRectangle,
indicatorTextFormat:
'callback ${AdvancedSeekBarFormat.progress}',
activeTrackColor: Colors.tealAccent,
thumbColor: Colors.tealAccent,
tickColor: Colors.tealAccent,
tickTextColor: Colors.white70,
onChanged: (value) {
setState(() {
_advancedCallbackChangedValue = value;
});
},
onStartTrackingTouch: () {
setState(() {
_advancedCallbackState = 'onStart';
});
},
onSeeking: (value) {
setState(() {
_advancedCallbackValue = value.progressDouble;
_advancedCallbackState = value.fromUser
? 'onSeeking'
: 'programmatic';
_advancedCallbackFromUser = value.fromUser;
_advancedCallbackThumbIndex = value.thumbIndex;
_advancedCallbackTickText = value.tickText ?? '-';
});
},
onStopTrackingTouch: () {
setState(() {
_advancedCallbackState = 'onStop';
_advancedCallbackFromUser = false;
});
},
),
const SizedBox(height: 12),
_buildCallbackInfo('state', _advancedCallbackState),
_buildCallbackInfo(
'progress',
_advancedCallbackValue.round().toString(),
),
_buildCallbackInfo(
'progressDouble',
_formatValue(_advancedCallbackValue),
),
_buildCallbackInfo(
'lastChanged',
_formatValue(_advancedCallbackChangedValue),
),
_buildCallbackInfo(
'fromUser',
_advancedCallbackFromUser.toString(),
),
_buildCallbackInfo(
'thumbIndex',
_advancedCallbackThumbIndex.toString(),
),
_buildCallbackInfo('tickText', _advancedCallbackTickText),
],
),
),
const SizedBox(height: 20),
_SectionCard(
title: 'AdvancedSeekBar Discrete',
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
AdvancedSeekBar(
min: 0,
max: 100,
progress: _advancedDiscreteValue,
ticksCount: 5,
showTickTexts: true,
tickTexts: const ['XS', 'S', 'M', 'L', 'XL'],
tickMarkType: AdvancedSeekBarTickMarkType.oval,
indicatorType:
AdvancedSeekBarIndicatorType.roundedRectangle,
activeTrackColor: Colors.lightBlueAccent,
thumbColor: Colors.white,
tickTextColor: Colors.white70,
tickColor: Colors.lightBlueAccent,
r2l: _advancedR2l,
onlyThumbDraggable: _advancedOnlyThumbDraggable,
indicatorTextFormat:
'size ${AdvancedSeekBarFormat.tickText}',
onSeeking: (value) {
setState(() {
_advancedDiscreteValue = value.progressDouble;
_advancedEvent =
'discrete idx=${value.thumbIndex} text=${value.tickText}';
});
},
),
const SizedBox(height: 12),
Text('advanced event: $_advancedEvent'),
const SizedBox(height: 8),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('RTL'),
value: _advancedR2l,
onChanged: (value) {
setState(() {
_advancedR2l = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Only Thumb Draggable'),
value: _advancedOnlyThumbDraggable,
onChanged: (value) {
setState(() {
_advancedOnlyThumbDraggable = value;
});
},
),
],
),
),
const SizedBox(height: 20),
_SectionCard(
title: 'AdvancedSeekBar Hidden Params',
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
AdvancedSeekBar(
min: 0,
max: 100,
progress: _advancedDiscreteValue,
ticksCount: 6,
showTickTexts: true,
tickTexts: const [
'0',
'20',
'40',
'60',
'80',
'100',
],
tickMarkType: AdvancedSeekBarTickMarkType.divider,
showThumbText: true,
userSeekable: _advancedUserSeekable,
seekSmoothly: _advancedSeekSmoothly,
thumbAdjustAuto: _advancedThumbAdjustAuto,
tickMarksEndsHide: _advancedHideEndTicks,
tickMarksSweptHide: _advancedHideSweptTicks,
indicatorType: _advancedBubbleIndicator
? AdvancedSeekBarIndicatorType.bubble
: AdvancedSeekBarIndicatorType.none,
activeTrackColor: Colors.purpleAccent,
thumbColor: Colors.purpleAccent,
tickColor: Colors.purpleAccent,
tickTextColor: Colors.white70,
indicatorTextFormat:
'value ${AdvancedSeekBarFormat.progress}',
onSeeking: (value) {
setState(() {
_advancedDiscreteValue = value.progressDouble;
_advancedEvent =
'hidden params ${_formatValue(value.progressDouble)}';
});
},
),
const SizedBox(height: 12),
Text('hidden params event: $_advancedEvent'),
const SizedBox(height: 8),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Seek Smoothly'),
value: _advancedSeekSmoothly,
onChanged: (value) {
setState(() {
_advancedSeekSmoothly = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Thumb Adjust Auto'),
value: _advancedThumbAdjustAuto,
onChanged: (value) {
setState(() {
_advancedThumbAdjustAuto = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('User Seekable'),
value: _advancedUserSeekable,
onChanged: (value) {
setState(() {
_advancedUserSeekable = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Hide End Ticks'),
value: _advancedHideEndTicks,
onChanged: (value) {
setState(() {
_advancedHideEndTicks = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Hide Swept Ticks'),
value: _advancedHideSweptTicks,
onChanged: (value) {
setState(() {
_advancedHideSweptTicks = value;
});
},
),
SwitchListTile(
contentPadding: EdgeInsets.zero,
title: const Text('Bubble Indicator'),
value: _advancedBubbleIndicator,
onChanged: (value) {
setState(() {
_advancedBubbleIndicator = value;
});
},
),
],
),
),
const SizedBox(height: 16),
Align(
alignment: Alignment.centerRight,
child: ElevatedButton(
onPressed: _reset,
child: const Text('Reset'),
),
),
],
),
),
),
);
}
}
class _SectionCard extends StatelessWidget {
const _SectionCard({required this.title, required this.child});
final String title;
final Widget child;
@override
Widget build(BuildContext context) {
return Card(
child: Padding(
padding: const EdgeInsets.all(16),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
Text(title, style: Theme.of(context).textTheme.titleMedium),
const SizedBox(height: 16),
child,
],
),
),
);
}
}Metadata
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likes
150
points
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downloads
Documentation
Publisher
unverified uploader
Weekly Downloads
Metadata
A Flutter package with a lightweight SeekBar and an AdvancedSeekBar featuring indicators, ticks, and discrete modes.
Repository (GitHub)
View/report issues
Topics
#seekbar #slider #progress #media #widget
License
MIT (license)