binding_helper 0.0.2

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binding_helper #

Helper for WidgetsBinding.It is a easy way to use WidgetsBinding, for example: Get the size of a widget after the widget is rendered.

Getting Started #

Install #



to your pubspec.yaml

Get the size of the widget #

Using GetRectMinxin

class MyState extends State<MyWidget> width GetRectMinxin<MyWidget>{

    // The rect includs size and position of the widget
    void onGetRect(Rect rect) { code


Using RectProvider

 new RectProvider(child: myWidget,onGetRect: (Rect rect){
            /// rect is the `Rect` of myWidet
          _rect = rect;


More easy way to use WidgetsBinding is coming soon. #

[0.0.2] - [2019.01.11] #

*  fix null pointer in listview

[0.0.1] - [2018.08.30] #

* init project
* Get rect of widgets


example #

A new Flutter project.

Getting Started #

For help getting started with Flutter, view our online documentation.

Use this package as a library

1. Depend on it

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

  binding_helper: ^0.0.2

2. Install it

You can install packages from the command line:

with Flutter:

$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:

import 'package:binding_helper/binding_helper.dart';
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Learn more about scoring.

We analyzed this package on Feb 27, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.5
  • Flutter: 1.12.13+hotfix.8

Health suggestions

Fix lib/binding_helper.dart. (-1 points)

Analysis of lib/binding_helper.dart reported 2 hints:

line 40 col 8: This method overrides a method annotated as @mustCallSuper in 'State', but doesn't invoke the overridden method.

line 46 col 8: This method overrides a method annotated as @mustCallSuper in 'State', but doesn't invoke the overridden method.

Maintenance suggestions

The package description is too short. (-20 points)

Add more detail to the description field of pubspec.yaml. Use 60 to 180 characters to describe the package, what it does, and its target use case.

Package is getting outdated. (-12.60 points)

The package was last published 58 weeks ago.

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.


Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.0.0-dev.48.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies