alicdn_image_flutter_plugin 0.0.3

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alicdn_image_flutter_plugin #

Flutter plugin of display image provided by AliCDN.

Getting Started #

This project is a starting point for a Flutter plug-in package, a specialized package that includes platform-specific implementation code for Android and/or iOS.

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

0.0.1 #

  • TODO: Describe initial release.


import 'dart:math';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';

void main() {
  debugRepaintRainbowEnabled = true;

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
      home: MyHomePage(title: 'Flutter Demo Home Page'),

class MyHomePage extends StatefulWidget {
  MyHomePage({Key key, this.title}) : super(key: key);
  final String title;

  _MyHomePageState createState() => _MyHomePageState();

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;

  void _incrementCounter() {
    setState(() {

  Widget build(BuildContext context) {
    double scrWidth = MediaQuery.of(context).size.width;
    double scrHeight = MediaQuery.of(context).size.height;

    int columnCount = 60;
    int rowCount = (columnCount * scrHeight / scrWidth).ceil();
    double cellSize = scrWidth / columnCount - 1;
    double fontSize = cellSize / 2;

    final rng = new Random();
    final rows = <Widget>[];

    rows.add(RepaintBoundary(child: SizedBox(
      width: 20,
      height: 20,
      child: CircularProgressIndicator(),

      style: Theme.of(context).textTheme.display1,

    for (var i = 0; i < rowCount; i++) {
      final eachRow = <Widget>[];
      for (var j = 0; j < columnCount; j++) {
        eachRow.add(new Container(
          width: cellSize,
          height: cellSize,
          margin: EdgeInsets.all(0.5),
          decoration: BoxDecoration(
            color: Colors.teal.withOpacity(0.5),
            border: Border.all(width: 0.5, color: Colors.teal),
          child: Center(
            child: Text(
              style: TextStyle(
                  fontWeight: FontWeight.w200,
                  fontSize: fontSize,
      rows.add(new Row(
        children: eachRow,

    return Scaffold(
      floatingActionButton: FlatButton(
        onPressed: _incrementCounter,
      body: Column(
        children: rows,

Use this package as a library

1. Depend on it

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

  alicdn_image_flutter_plugin: ^0.0.3

2. Install it

You can install packages from the command line:

with pub:

$ pub get

with Flutter:

$ flutter pub get

Alternatively, your editor might support pub get or 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:alicdn_image_flutter_plugin/alicdn_image_flutter_plugin.dart';
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Code health derived from static analysis. [more]
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Learn more about scoring.

We analyzed this package on Apr 4, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.7.1
  • pana: 0.13.6
  • Flutter: 1.12.13+hotfix.8

Health issues and suggestions

Fix lib/alicdn_image_flutter_plugin.dart. (-58.65 points)

Analysis of lib/alicdn_image_flutter_plugin.dart failed with 3 errors, 4 hints, including:

line 133 col 8: The class 'Image' doesn't have a constructor named 'external_adapter'.

line 136 col 20: Only static members can be accessed in initializers.

line 137 col 22: Only static members can be accessed in initializers.

line 1 col 8: Unused import: 'dart:async'.

line 46 col 34: Name non-constant identifiers using lowerCamelCase.

Document public APIs. (-1 points)

37 out of 37 API elements have no dartdoc comment.Providing good documentation for libraries, classes, functions, and other API elements improves code readability and helps developers find and use your API.

Maintenance issues and suggestions

No valid SDK. (-20 points)

The analysis could not detect a valid SDK that can use this package.

Homepage URL doesn't exist. (-20 points)

At the time of the analysis the homepage field was unreachable.

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.

The package description is too short. (-9 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 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