Liquid Pull To Refresh

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aagarwal1012

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Sep 3rd 19 REGISTERED ON

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Sep 03, 2019 Last Updated

<div align="center">Liquid Pull To Refresh</div>

A beautiful and custom refresh indicator for flutter highly inspired from Ramotion Pull Down to Refresh.



Table of contents

Installing

1. Depend on it

Add this to your package’s pubspec.yaml file:

dependencies:
  liquid_pull_to_refresh: ^1.1.1

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter packages get

3. Import it

Now in your Dart code, you can use:

import 'package:liquid_pull_to_refresh/liquid_pull_to_refresh.dart';

Usage

For adding this custom refresh indicator in your flutter app, you have to simply wrap ListView or GridView inside LiquidPullToRefresh. Also you have provide the value of onRefresh parameter which is a refresh callback.

Note - LiquidPullToRefresh can only be used with a vertical scroll view.

For example:

LiquidPullToRefresh(
        key: _refreshIndicatorKey,	// key if you want to add
        onRefresh: _handleRefresh,	// refresh callback
        child: ListView(),		// scroll view
      );

If you do not want the opacity transition of child then set showChildOpacityTransition: false. Preview regarding the both form of this widget is follows :-

showChildOpacityTransition: true showChildOpacityTransition: false

Documentation

LiquidPullToRefresh Class

Dart attribute Datatype Description Default Value
child ScrollView The widget below this widget in the tree. @required
onRefresh RefreshCallback A function that’s called when the refreshing of page takes place. @required
height double The distance from the child’s top or bottom edge to where the box will settle after the spring effect. 100.0
springAnimationDurationInMilliseconds int Duration in milliseconds of springy effect that occurs when we leave dragging after full drag. 1000
borderWidth double Border width of progressing circle in Progressing Indicator. 2.0
showChildOpacityTransition bool Whether to show child opacity transition or not. true
color Color The progress indicator’s foreground color. ThemeData.accentColor
backgroundColor Color The progress indicator’s background color. ThemeData.canvasColor
notificationPredicate ScrollNotificationPredicate A check that specifies whether a ScrollNotification should be handled by this widget. null
scrollController ScrollController Controls the ScrollView child. null

For help on editing package code, view the flutter documentation.

Bugs or Requests

If you encounter any problems feel free to open an issue. If you feel the library is missing a feature, please raise a ticket on GitHub and I’ll look into it. Pull request are also welcome.

See Contributing.md.

Donate

If you found this project helpful or you learned something from the source code and want to thank me, consider buying me a cup of :coffee:

License

Liquid-Pull-To-Refresh is licensed under MIT license. View license.