hold_down_button 1.0.0

A Flutter package to trigger an action repeatedly when a widget is hold/pressed down.

Hold Down Button

A Flutter package to trigger an action repeatedly when a widget is hold/pressed down.

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Features

• HoldDownButton displays the child widget passed to it and acts when it is pressed.
• You can customize the time delay curve to make the button trigger action more or less quickly.
• Also you can set time delay for the periodic function call.

Getting started

Add to Dependencies

hold_down_button: ^1.0.0

Import the package

import 'package:hold_down_button/hold_down_button.dart';

Usage

Using the Widget with default values

HoldDownButton(
  onHoldDown: () => print('Pressed'),
  child: ElevatedButton(
    onPressed: () => print('Pressed'),
    child: const Text('ElevatedButton'),
  ),
),

Customizing initial delay curve

HoldDownButton(
  onHoldDown: () => print('Pressed'),
  longWait: const Duration(seconds: 1),
  middleWait: const Duration(milliseconds: 750),
  minWait: const Duration(milliseconds: 500),
  child: ElevatedButton(
    onPressed: () => print('Pressed'),
    child: const Text('ElevatedButton'),
  ),
),

Changing the time delay for periodic function call

HoldDownButton(
  onHoldDown: () => print('Pressed'),
  holdWait: const Duration(milliseconds: 200),
  child: ElevatedButton(
    onPressed: () => print('Pressed'),
    child: const Text('ElevatedButton'),
  ),
),

Description

Field	Description	Type	Default
child	The child widget to be displayed.	Widget	-
onHoldDown	The callback to be called when the button is pressed.	VoidCallback	-
holdWait	The time delay for periodic function call.	Duration	const Duration(milliseconds: 100)
longWait	Time delay 2nd function call.	Duration	const Duration(milliseconds: 500)
middleWait	Time delay 3rd function call.	Duration	const Duration(milliseconds: 350)
minWait	Time delay 4th function call.	Duration	const Duration(milliseconds: 200)