gesture_zoom_box 0.0.2

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GestureZoomBox #

A widget for gesture zoom.

Usage #

    maxScale: 5.0,
    doubleTapScale: 2.0,
    duration: Duration(milliseconds: 200),
    onPressed: () => Navigator.pop(context),

Parameters #

maxScaleThe maximum zoom ratio.
doubleTapScaleThe zoom ratio for double-click.
durationThe execution time of the animation, e.g fling & bounce.
onPressedThe callback for click.
childThe scalable content.

[0.0.2] - 2019.09.18. #

  • Add bounce effects for zooming.
  • Add a duration parameter for animation.
  • Add bounce effects for panning.
  • Add fling effects for panning.

[0.0.1] - 2019.09.16. #

  • Scale/Pan
  • Double tap scale
  • Max scale
  • Pressed callback

Use this package as a library

1. Depend on it

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

  gesture_zoom_box: ^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:gesture_zoom_box/gesture_zoom_box.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

Format lib/gesture_zoom_box.dart.

Run flutter format to format lib/gesture_zoom_box.dart.

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.

Maintain an example. (-10 points)

Create a short demo in the example/ directory to show how to use this package.

Common filename patterns include main.dart, example.dart, and gesture_zoom_box.dart. Packages with multiple examples should provide example/

For more information see the pub package layout conventions.

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 >=2.1.0 <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