ticking_widget

Description:

ticking widget

ticking_widget #
A widget to build clocks, timers and everything that changes with time.

Demo: Playground
Getting Started #

Add as a dependency in your project's pub spec.yaml

dependencies:
ticking_widget: <latest_version>
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Import library into your code.

import 'package:ticking_widget/ticking_widget.dart';
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Usage #
Using TickingWidget. #
TickingWidget(
builder: (context, currentTime, child) {
// return a widget that needs to change with time.
},
child: Container(), // Optional: a widget that doesn't need to change with time.
)
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Example: Building a Digital Clock
TickingWidget(
mode: TickingMode.second,
builder: (context, now, child) => Text(
DateFormat('hh:mm:ss a').format(now),
),
)
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Example: Building a Timer
TickingWidget(
mode: TickingMode.second,
builder: (context, now, child) {
final Duration elapsed = TickingWidget.of(context).elapsed;
return Text(
'\${elapsed.inHours}h \${elapsed.inMinutes % 60}m \${elapsed.inSeconds % 60}s',
);
},
)
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Example: Building a Countdown #
TickingWidget(
mode: TickingMode.second,
builder: (context, now, child) {
final Duration remaining = const Duration(minutes: 15) -
TickingWidget.of(context).elapsed;
return Text(
'\${remaining.inHours.toString().padLeft(2, '0')}:'
'\${(remaining.inMinutes % 60).toString().padLeft(2, '0')}:'
'\${(remaining.inSeconds % 60).toString().padLeft(2, '0')}',
);
},
)
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Using TickingWidgetMixin. #
If you wanna have a custom implementation of your own and don't wanna use TickingWidget then you can use
TickingWidgetMixin to get the current time and elapsed time.

Note: You need to use SingleTickerProviderStateMixin along with TickingWidgetMixin for the mixin to work.

class MyCustomWidget extends StatefulWidget {
@override
_MyCustomWidgetState createState() => _MyCustomWidgetState();
}

class _MyCustomWidgetState extends State<MyCustomWidget>
with SingleTickerProviderStateMixin, TickingWidgetMixin {
@override
void initState() {
autoStart = false;
super.initState();
}

@override
Widget build(BuildContext context) {
final Duration elapsed = this.elapsed;
return Column(
children: [
const Text('Timer'),
Text('${elapsed.inMinutes}:${elapsed.inSeconds % 60}'),
const SizedBox(height: 16),
Row(
children: [
ElevatedButton(
onPressed: () => stopTicker(),
child: const Text('Stop'),
),
ElevatedButton(
onPressed: () => startTicker(),
child: const Text('Start'),
),
],
),
],
);
}
}
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Features and bugs #
Please file feature requests and bugs at the issue tracker.
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License #
Copyright (c) 2024, Birju Vachhani
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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