Table of contents

• Installing
• Usage
• Documentation
• Bugs or Requests
• License

Installing

1. Depend on it

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

dependencies:
  liquid_pull_to_refresh: ^1.0.0

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

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.

License

Animated-Text-Kit is licensed under MIT license. View license.

If you find any problem leave a comment below.