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Theme management package for Flutter with light and dark mode support.

Best Theme #


Best Theme is a powerful Flutter package designed to simplify theme management within your applications. It provides an intuitive way to define and switch between light and dark modes while allowing you to add your own custom colors.

Features #

  • Easy Theme Management: Effortlessly manage themes for your Flutter application.
  • Custom Color Support: Add your own colors with defined light and dark variations.
  • Theme Mode Toggling: Easily toggle between different theme modes, including System, Light, and Dark.
  • Streamlined Integration: Quickly integrate with your existing Flutter projects.
  • support go router

Installation #

To install the Best Theme package, run the following commands in your terminal:

flutter pub add best_theme
flutter pub add best_theme_annotation
dart pub add best_theme_generator
dart pub add dev:build_runner

Usage #

  1. Create a Theme Class
    Define a class for your theme that extends from the generated class. The class name should match the desired theme name.
import 'package:best_theme/best_theme.dart';
import 'package:best_theme_annotation/best_theme_annotation.dart';
import 'package:flutter/material.dart';

part 'filename.g.dart';

@BestTheme
class MyTheme extends _$MyTheme {
}

after run dart run build_runner build or dart run build_runner watch or dart run build_runner watch --delete-conflicting-outputs

  1. Define Your Colors Create a list of colors using the BestColor class, specifying the light and dark variants.
List<BestColor> data = [
  BestColor(name: 'color1', light: Colors.white, dark: Colors.black),
  BestColor(name: 'color2', light: Colors.black, dark: Colors.white),
  BestColor(name: 'color3', light: Colors.amber, dark: Colors.red),
  BestColor(name: 'color4', light: Colors.amber, dark: Colors.red),
  BestColor(name: 'grey2', light: Colors.grey, dark: Colors.blueGrey),
  BestColor(name: 'grey3', light: Colors.grey, dark: Colors.blueGrey),
];

  1. Annotate Your Theme Class Use the @BestTheme annotation to define the variables for your theme.
@BestTheme(vars: [
  'color1',
  'color2',
  'color3',
  'color4',
  'grey2',
  'grey3',
])
class MyTheme extends _$MyTheme {
  MyTheme() : super(myColors: data, mode: ThemeMode.dark);
}

Full code

// ignore_for_file: unused_field, prefer_typing_uninitialized_variables, prefer_final_fields

// import 'package:best_theme/best_theme.dart';
// import 'package:best_theme_annotation/best_theme_annotation.dart';
import 'package:best_theme/best_theme.dart';
import 'package:best_theme_annotation/best_theme_annotation.dart';
import 'package:flutter/material.dart';
part 'my_theme.g.dart';

List<BestColor> dataColor = [
  const BestColor(name: 'color1', light: Colors.white, dark: Colors.black),
  const BestColor(name: 'color2', light: Colors.black, dark: Colors.white),
  const BestColor(name: 'color3', light: Colors.amber, dark: Colors.red),
  const BestColor(name: 'color4', light: Colors.amber, dark: Colors.red),
  const BestColor(name: 'grey2', light: Colors.grey, dark: Colors.blueGrey),
  const BestColor(
      name: 'grey3', light: Colors.grey, dark: Color.fromARGB(255, 3, 43, 63)),
];

@BestTheme(vars: [
  'color1',
  'color2',
  'color3',
  'color4',
  'grey2',
  'grey3',
])
class Mytheme extends _$Mytheme {
  Mytheme() : super(myColors: dataColor, mode: ThemeMode.system);
}
  1. Create an object in main file
MyTheme myTheme = MyTheme();
void main() {
  runApp(const MyApp());
}
  1. Wrap your child of MyApp with BestTheme you can use myTheme.BestTheme():

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return myTheme.BestTheme(
      context: context,
      materialApp: MaterialApp(
        title: 'Flutter Demo',
        theme: ThemeData(
          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
          useMaterial3: true,
        ),
        home: const MyHomePage(title: 'Flutter Demo Home Page'),
      ),
    );
  }
}
  1. Using Your custom Colors You can now use your defined colors throughout your app, but need wrap with BestThemeBuilder like below code:
    A- if you want to use for all widgets of a class, wrap scaffold with BestThemeBuilder like that:
  mytheme.BestThemeBuilder(
    builder: (theme, context) {
      return Scaffold(
        //add your code
      );
    },
  );

and use colors through theme for example: theme.color3;

B-you can wrap just some widgets:

 mytheme.BestThemeBuilder(
    builder: (theme, context) {
      return Container(
        width: 100,
        height: 100,
        decoration: BoxDecoration(color: theme.grey3),
        child: const Text('example'),
      );
    },
  );

Warning: once the theme changes, all widgets that are in BestThemeBuilder will be refreshed.

For a shorter method of accessing some colors within ThemeData:
Container(
  width: 100,
  height: 100,
  decoration: BoxDecoration(color: myTheme.primary(context)),
  child: Text('Example'),
);

  1. Toggle Theme You can easily toggle the theme mode using a switch:
Switch(
  value: myTheme.isDark,
  onChanged: (value) {
    myTheme.toggle();
  },
);

  1. How to set custom font?
myTh.BestTheme(
  context: context,
  materialApp: MaterialApp(
    title: 'Dosty',
    theme: ThemeData(
      colorScheme: ColorScheme.fromSeed(seedColor: myTheme.main),
      scaffoldBackgroundColor: const Color.fromARGB(255, 238, 238, 238),
      useMaterial3: true,
      fontFamily: 'kurdish',
    ),
    darkTheme: ThemeData.dark().copyWith(
      colorScheme: ColorScheme.fromSeed(seedColor: myTheme.main),
      scaffoldBackgroundColor: const Color(0xff111015),
      textTheme: ThemeData.dark().textTheme.apply(fontFamily: 'kurdish'),
    ),
    home: const BottomNavigation(),
  ));
  1. You can access custom colors
    You can access custom colors without BestThemeBuilder instead through mytheme object example:
Container(
    width: 100,
    height: 100,
    decoration: BoxDecoration(color: mytheme.colors.color1),
    child: const Text('example'),
  );

Warning: dont use color through this way if you want to change with toggle theme at real time

  1. You can use go router set useRouterConfig to true in mytheme.BestTheme() Widget : mytheme.BestTheme( context: context, useRouterConfig: true, );

Variables #

Variables Description
isDark Check is current mode is dark
typeOfThemes return all type of theme mode
currentTheme return current theme mode
colors return all colors

Additional Methods #

Method Description
toggle(); toggle theme
toSystem(context); Switch to system theme
toLight(); Switch to light theme
toDark(); Switch to dark theme
advanceToggle(context: context, mode: ThemeMode.?); Advanced toggle with specified mode

Short Methods

Method Description
theme(context) Get the current theme context
primary(context) Access the primary color
scaffoldBackgroundColor(context) Access the scaffold background color
primaryColorScheme(context) Access the primary color scheme
secondaryColorScheme(context) Access the secondary color scheme
cardColor(context) Access the card color
primaryColorDark(context) Access the primary dark color
primaryColorLight(context) Access the primary light color

About the developer #

This package was developed by Dosty Pshtiwan.

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Publisher

verified publisherfersaz.com

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Theme management package for Flutter with light and dark mode support.

Repository (GitHub)

Documentation

API reference

License

MIT (license)

Dependencies

flutter

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