FLUTTER ECOSYSTEM

hamada-develop/conditonal_builder_null_safety

Este pacote tem como objetivo exibir elementos da interface de usuário de acordo com o tipo condicional e oferece suporte à segurança contra nulos

Capa do projeto conditional_builder_null_safety
Stars
2
Forks
0
Último push (UTC)
18 de set. de 2021
Status do projeto
Ativo
Hamada Mohammed Seif GitHub avatar
GITHUB User

Hamada Mohammed Seif ↗

I was an android developer and currently, I am a flutter developer

egypt-el-fayoum
LinguagensDart

Tópicos técnicos

Dependências usadas

Lista de dependências 2 itens
  • flutter{"sdk":"flutter"}
  • flutter_testDesenvolvimento{"sdk":"flutter"}

README original

Texto original em inglês. Visite o GitHub para a versão atual.

Expandir / recolher README

conditional_builder_null_safety

This is package its purpose show UI elements according for conditional type and supports null safety

Getting Started

dependencies:
  conditional_builder_null_safety: ^0.0.6

import this package

import 'package:conditional_builder_null_safety/conditional_builder_null_safety.dart';

Example

If the condition is true, will be builder executed

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: ConditionalBuilder(
          condition: true,
          builder: (context) => Center(child: Text('this is true')),
          fallback: (context) => Center(child: Text('this is not true')),
        ),
      ),
    );
  }
https://raw.githubusercontent.com/hamada-develop/conditonal_builder_null_safety/HEAD/screenshot/Screenshot_2.jpg

If the condition is not true or false, will be fallback executed

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: ConditionalBuilder(
        condition: false,
        builder: (context) => Center(child: Text('this is true')),
        fallback: (context) => Center(child: Text('this is not true')),
      ),
    );
  }
https://raw.githubusercontent.com/hamada-develop/conditonal_builder_null_safety/HEAD/screenshot/Screenshot_3.jpg

you can set fallback is null don't worry it is return a empty container

@override
  Widget build(BuildContext context) {
    return Scaffold(
      body: ConditionalBuilder(
        condition: false,
        builder: (context) => Center(child: Text('this is true')),
        fallback: null,
      ),
    );
  }
https://github.com/HamadaAllipy/conditonal_builder_null_safety/blob/version_0.0.3/Screenshot_1.jpg

add a new function generateRandom(int min, int max); its return int , create random number between minimum and maximum

int random = generateRandom(10 , 100);
//output 99 or 47 or 11 or else number 

This project is a starting point for a Dart package, a library module containing code that can be shared easily across multiple Flutter or Dart projects.

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