A flutter package that provide basic utils like Themes and Error Handler Widget

A package that provide basic utils like Themes, common BuildContext extension
and simple Error Page widget.

Great for creating lots of flutter apps as a portfolio.

Features

• Tired of defining themes manually? just use the default ThemeData from this
  package:

  import 'package:core/core.dart' as core;
  
  class MyApp extends StatelessWidget {
    const MyApp({super.key});
  
    @override
    Widget build(BuildContext context) {
      return MaterialApp(
        title: core.appName,
        theme: core.AppThemes.light,
        darkTheme: core.AppThemes.dark,
        ...
      );
    }
  }

• Need shorthand for the common use of context? Try the BuildContext
  extension from this package:

  import 'package:core/core.dart';
  
  class MyWidget extends StatelessWidget {
    const MyWidget({super.key});
  
    @override
    Widget build(BuildContext context) {
      // Shorthand for Theme.of(context)
      context.theme;
  
      // Shorthand for MediaQuery.of(context)
      context.mediaQuery;
  
      // Shorthand for Scaffold.of(context)
      context.scaffoldState;
  
      // Check "src/utils/extensions.dart" for more
  
      return Container();
    }
  }

• Need a simple page to display error info? try ErrorPages from the package:

  import 'package:core/core.dart';
  
  // Will display status code 400 with 'Bad Request' text below it.
  ErrorPages.client.badRequest();
  
  // Will display status code 500 with 'Internal Server Error' text below it.
  ErrorPages.server.internalServerError();
  
  // Will display page based on requested status code.
  //
  // The Example below will display status code 404 with
  // 'Not Found' text below it.
  ErrorPages.byCode(404);
  
  // You can also add custom message to the page
  // (Default message is 'Sorry for the inconvenience').
  //
  // The message displayed below statusCode and name.
  ErrorPages.client.notFound(message: 'The Page You Requested Not Found');
  ErrorPages.byCode(403, message: 'You are not allowed to access this');
  
  // See preview below for page visual.

  ErrorPages previews:

  

Getting started

1. Add the package to your dependencies:

   dependencies:
     core:
       git:
         url: KeidsID/flutter_app_core_package.git

2. Then, you just need to call init() once in main():

   import 'package:core/core.dart' as core;
   
   void main() {
     core.init();
     ...
   }

   You can also customize the Theme via init():

   import 'package:flutter/material.dart';
   import 'package:core/core.dart' as core;
   
   void main() {
     core.init(
       appName: 'My App Name',
       appPrimaryColor: Colors.amber,
       useMaterial3: true,
     );
     ...
   }

Now, you are ready to use this package’s utilities.

Usage

main.dart

import 'package:flutter/material.dart';
import 'package:core/core.dart' as core;

void main() {
  core.init(
    appName: 'Flutter Demo',
    useMaterial3: true,
  );

  runApp(const MyApp());
}

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: core.appName, // "Flutter Demo"
      // Both theme used material 3
      theme: core.AppThemes.light, 
      darkTheme: core.AppThemes.dark,
      themeMode: ThemeMode.system,
      // Simple page to display 404 Not Found
      home: core.ErrorPages.client.notFound(), 
    );
  }
}