hamada-develop/conditonal_builder_null_safety
이 패키지의 목적은 조건부 유형에 따라 UI 요소를 표시하고 null 안전성을 지원하는 것입니다
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- 최근 푸시(UTC)
- 2021. 9. 18.
- 프로젝트 상태
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기술 주제
사용 중인 의존성
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- flutter
{"sdk":"flutter"} - flutter_test개발 의존성
{"sdk":"flutter"}
원본 README
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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.
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