/// 多线程下载并发数 import 'package:flutter/material.dart'; import 'package:pikapika/basic/Common.dart'; import 'package:pikapika/basic/Method.dart'; import 'IsPro.dart'; late int _downloadThreadCount; const _values = [1, 2, 3, 4, 5]; Future initDownloadThreadCount() async { _downloadThreadCount = await method.loadDownloadThreadCount(); } Widget downloadThreadCountSetting() { return StatefulBuilder( builder: (BuildContext context, void Function(void Function()) setState) { return ListTile( title: Text( "下载线程数" + (!isPro ? "(发电)" : ""), style: TextStyle( color: !isPro ? Colors.grey : null, ), ), subtitle: Text("$_downloadThreadCount"), onTap: () async { if (!isPro) { defaultToast(context, "请先发电再使用"); return; } int? value = await chooseListDialog(context, "选择下载线程数", _values); if (value != null) { await method.saveDownloadThreadCount(value); _downloadThreadCount = value; setState(() {}); } }, ); }, ); }