import 'dart:io'; import 'package:flutter/material.dart'; import 'package:package_info/package_info.dart'; import 'package:path_provider/path_provider.dart'; import 'package:provider/provider.dart'; import 'package:shared_preferences/shared_preferences.dart'; import 'package:sport/bean/UpdateInfo.dart'; import 'package:sport/provider/bluetooth.dart'; import 'package:sport/provider/user_model.dart'; import 'package:sport/router/navigator_util.dart'; import 'package:sport/router/routes.dart'; import 'package:sport/services/api/inject_api.dart'; import 'package:sport/services/api/resp.dart'; import 'package:sport/utils/toast.dart'; import 'package:sport/widgets/appbar.dart'; import 'package:sport/widgets/button_primary.dart'; import 'package:sport/widgets/dialog/alert_dialog.dart'; import 'package:sport/widgets/dialog/request_dialog.dart'; import 'package:sport/widgets/image.dart'; import 'package:sport/widgets/list_tile.dart'; import 'package:sport/widgets/space.dart'; import 'package:url_launcher/url_launcher.dart'; class SettingPage extends StatefulWidget { @override _PageState createState() => _PageState(); } class _PageState extends State with InjectApi { String _cacheSizeStr = ""; String _version = ""; @override void initState() { super.initState(); loadCache(); PackageInfo.fromPlatform().then((PackageInfo packageInfo) { setState(() { _version = packageInfo.version; }); }); } ///加载缓存 Future loadCache() async { Directory tempDir = await getTemporaryDirectory(); print(tempDir); double value = await _getTotalSizeOfFilesInDir(tempDir); /*tempDir.list(followLinks: false,recursive: true).listen((file){ //打印每个缓存文件的路径 print(file.path); });*/ print('临时目录大小: ' + value.toString()); setState(() { _cacheSizeStr = _renderSize(value); // _cacheSizeStr用来存储大小的值 }); return; } Future _getTotalSizeOfFilesInDir(final FileSystemEntity file) async { if (file is File) { int length = await file.length(); return double.parse(length.toString()); } if (file is Directory) { double total = 0; try { final List children = file.listSync(); if (children != null) for (final FileSystemEntity child in children) total += await _getTotalSizeOfFilesInDir(child).catchError((e){}); } catch (e) { // print(e); } return total; } return 0; } _renderSize(double value) { if (null == value) { return 0; } List unitArr = List()..add('B')..add('K')..add('M')..add('G'); int index = 0; while (value > 1024) { index++; value = value / 1024; } String size = value.toStringAsFixed(2); return size + unitArr[index]; } void _clearCache() async { Directory tempDir = await getTemporaryDirectory(); //删除缓存目录 await delDir(tempDir); await loadCache(); ToastUtil.show('清除缓存成功'); } ///递归方式删除目录 Future delDir(FileSystemEntity file) async { if (file is Directory) { try { final List children = file.listSync(); for (final FileSystemEntity child in children) { await delDir(child); } } catch (e) { print(e); } } await file.delete(); } @override Widget build(BuildContext context) { const contentPadding = EdgeInsets.symmetric(horizontal: 0.0); return Scaffold( backgroundColor: Colors.white, body: CustomScrollView( slivers: [ buildSliverAppBar(context, "设置"), SliverPadding( padding: const EdgeInsets.symmetric(horizontal: 12), sliver: SliverToBoxAdapter( child: ListView( padding: EdgeInsets.zero, physics: NeverScrollableScrollPhysics(), shrinkWrap: true, children: divideTiles( context: context, includeLast: true, tiles: [ ListTile( title: Text('消息提醒',style: TextStyle(fontSize: 16.0),), trailing: arrowRight5(), contentPadding: contentPadding, onTap: () => NavigatorUtil.go(context, Routes.messageSetting), ), ListTile( title: Text('帐号管理',style: TextStyle(fontSize: 16.0),), trailing: arrowRight5(), contentPadding: contentPadding, onTap: () => NavigatorUtil.go(context, Routes.account), ), ListTile( title: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, children: [ Text('清理缓存',style: TextStyle(fontSize: 16.0),), Text( "$_cacheSizeStr", style: Theme.of(context).textTheme.bodyText2, ) ], ), onTap: () => _clearCache(), trailing: arrowRight5(), contentPadding: contentPadding, ), ListTile( title: Text('用户协议',style: TextStyle(fontSize: 16.0),), trailing: arrowRight5(), contentPadding: contentPadding, onTap: () => NavigatorUtil.go(context, Routes.serviceagreement), ), ListTile( title: Text('隐私协议',style: TextStyle(fontSize: 16.0),), trailing: arrowRight5(), contentPadding: contentPadding, onTap: () => NavigatorUtil.go(context, Routes.privacypolicy), ), ListTile( title: Row( children: [ Expanded( child: Text(Platform.isAndroid ? '检查新版本' : '版本信息',style: TextStyle(fontSize: 16.0),), ), Text("当前版本：V$_version") ], ), onTap: () async { if (Platform.isAndroid) { request(context, () async { String version = (await PackageInfo.fromPlatform()).version; RespData data = await api.checkUpdate(version).catchError((err) {}); if (data.code == 0) { UpdateInfo info = data.data; if (!info.needUpdate) { ToastUtil.show("当前已是最新版本"); return; } if (await showDialog( context: context, builder: (context) => CustomAlertDialog( title: '发现新版本 ${info.lastVersion.version}', child: Container( width: double.infinity, padding: const EdgeInsets.symmetric(horizontal: 24.0), child: Text( "${info.lastVersion.detail}", style: TextStyle(fontSize: 14, color: Color(0xff333333), height: 1.4), )), textOk: '立即更新', ok: () => Navigator.of(context).pop(true)), ) == true) { launch(info.lastVersion.downloadUrl); } }else{ ToastUtil.show("当前已是最新版本"); } }); } }, trailing: arrowRight5(), contentPadding: contentPadding, ) ], ).toList(), ), ), ), SliverPadding( padding: const EdgeInsets.symmetric(horizontal: 12), sliver: SliverToBoxAdapter( child: Column( children: [ Space( height: 24, ), PrimaryButton( content: "退出登录", callback: () async { if (await showDialog( context: context, builder: (context) => CustomAlertDialog(title: '是否退出登录', ok: () => Navigator.of(context).pop(true)), ) == true) { SharedPreferences prefs = await SharedPreferences.getInstance(); prefs.clear(); Provider.of(context,listen: false).disconnectDevice(); Provider.of(context,listen: false).clear(); NavigatorUtil.goLogin(context); } }, ), ], ), ), ) ], )); } }