hex_alpha 1.0.2

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  • Changelog
  • Example
  • Installing
  • new61

Hex Alpha #

Get an ARGB color by specifying a hex string and an alpha value.

Function basics #

//Returns an argb value
hexAlpha(String hex,double alpha);

Parameter description #

  • The first parameter is a string with a hexadecimal color value
  • The second parameter is a type double number that ranges from 0-1. Where 0 is fully transparent and 1 is fully opaque.

New

  • Accepts both upper case and lower case Strings in hex value
  • Alpha value is now optional and set to 1 by default

Example #

import 'package:flutter/material.dart';
//Import the package, the line below will be different
import '../lib/hexalpha.dart';
void main(){
  return runApp(
    MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text(
            "Hex Alpha",
          ),
          backgroundColor: hexAlpha('#8f6787', 0.8),
        ),
        body: Center(
          child: Icon(
            Icons.memory,
            color: hexAlpha('#ff7373', 1),
            size: 50,
          ),
        ),
      ),
    ),
  );
}

Launch Date #

Jly 01 2020

Version #

1.0.1

Changes: #

  • Accepts both upper case and lower case Strings
  • Alpha value is now optional

Fixed #

  • The problem I created with previous versions(positional arguments error) 😁

example/main.dart

import 'package:flutter/material.dart';
//Import the package, the line below will be different
import 'package:hex_alpha/hex_alpha.dart';
void main(){
  return runApp(
    MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: Text(
            "Hex Alpha",
          ),
          backgroundColor: hexAlpha('#8f6787', 0.8),
        ),
        body: Center(
          child: Icon(
            Icons.memory,
            color: hexAlpha('#ff7373', 1),
            size: 50,
          ),
        ),
      ),
    ),
  );
}

Use this package as a library

1. Depend on it

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


dependencies:
  hex_alpha: ^1.0.2

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:hex_alpha/hex_alpha.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
26
Health:
Code health derived from static analysis. [more]
99
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
90
Overall:
Weighted score of the above. [more]
61
Learn more about scoring.

We analyzed this package on Jul 2, 2020, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.8.4
  • pana: 0.13.13
  • Flutter: 1.17.5

Analysis suggestions

Package not compatible with SDK dart

because of import path [hex_alpha] that is in a package requiring null.

Health issues and suggestions

Document public APIs. (-1 points)

2 out of 2 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.

Format lib/hex_alpha.dart.

Run flutter format to format lib/hex_alpha.dart.

Maintenance issues and suggestions

Homepage URL isn't helpful. (-10 points)

Update the homepage field from pubspec.yaml: link to a website about the package or use the source repository URL.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.7.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.12 1.14.13
meta 1.1.8
sky_engine 0.0.99
typed_data 1.1.6 1.2.0
vector_math 2.0.8
Dev dependencies
flutter_test