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Description:

conditional builder null safety

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
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import this package #
import 'package:conditional_builder_null_safety/conditional_builder_null_safety.dart';
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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')),
),
),
);
}
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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')),
),
);
}
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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,
),
);
}
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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
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