在Flutter中,RoundCheckBox是一个自定义的圆形选择框组件,它通常不是Flutter标准库的一部分,而是通过第三方库提供的。以下是对RoundCheckBox的详细解释和如何在Flutter项目中实现它的步骤: 1. 理解RoundCheckBox的概念和用途 RoundCheckBox是一个圆形选择框组件,它允许用户在点击时切换选中状态。与标准的Checkbox组件不同,...
1.roundcheckbox 官方链接见https://pub-web.flutter-io.cn/packages/roundcheckbox 支持iOS/Android/Web/MacOS/Linux/Windows 2.pubspec.yaml添加依赖 roundcheckbox:^2.0.5 3.示例 • flutter_toast_widget.dart import'package:flutter/material.dart'; import'package:roundcheckbox/roundcheckbox.dart'; classRo...
The documentation for the built-inround()function says that it rounds to the nearest value, rounding ties away from zero. Since the decimal fraction 2.675 is exactly halfway between 2.67 and 2.68, you might expect the result here to be (a binary approximation to) 2.68. It’s not, because...