import 'package:flutter/material.dart'; import '../widgets/kr_toast.dart'; class KRCommonUtil { /// 提示 meesage: 提示内容, toastPosition: 提示显示的位置, timeout: 显示时间(毫秒) static kr_showToast(String message, {KRToastPosition toastPosition = KRToastPosition.center, int timeout = 1500}) { KRToast.kr_showToast( message, position: toastPosition, duration: Duration(milliseconds: timeout), ); } /// 显示加载动画 static kr_showLoading({String? message}) { KRToast.kr_showLoading(message: message); } /// 隐藏加载动画 static kr_hideLoading() { KRToast.kr_hideLoading(); } /// 格式化字节数为可读字符串 /// [bytes] 字节数 static String kr_formatBytes(int bytes) { if (bytes <= 0) return "0 B"; const List suffixes = ["B", "KB", "MB", "GB", "TB"]; int i = 0; double value = bytes.toDouble(); while (value >= 1024 && i < suffixes.length - 1) { value /= 1024; i++; } return "${value.toStringAsFixed(2)} ${suffixes[i]}"; } }