488 lines
17 KiB
Dart
488 lines
17 KiB
Dart
import 'dart:developer';
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import 'dart:io';
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import 'package:dio/dio.dart';
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import 'package:elysia/plugin/HTTP.dart';
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import 'package:elysia/plugin/Remind.dart';
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import 'package:flutter/material.dart';
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import 'dart:async';
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import 'package:package_info_plus/package_info_plus.dart';
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import 'package:path_provider/path_provider.dart';
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import '../../plugin/ApkInstaller.dart';
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import '../../plugin/C.dart';
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import 'TargetLog.dart';
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class UpdateCheckPage extends StatefulWidget {
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@override
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_UpdateCheckPageState createState() => _UpdateCheckPageState();
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}
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class _UpdateCheckPageState extends State<UpdateCheckPage> {
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String _currentVersion = '0';
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int _currentVersionCode = 0;
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bool _isChecking = false;
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bool _hasUpdate = false;
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String _latestVersion = '0';
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String _changelog = '';
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double _downloadProgress = 0.0;
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bool _isDownloading = false;
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int _downloadCode = 0;
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String _downloadUrl = "";
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@override
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void initState() {
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super.initState();
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_getVersionInfo();
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Future.delayed(Duration(milliseconds: 200), () {
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_checkForUpdate();
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});
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}
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Future<void> _checkForUpdate() async {
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setState(() {
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_isChecking = true;
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});
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try {
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dynamic json = await HTTP.create("${C.BASE_URL}/server/latest-version").execute();
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if (json["code"] != 200) {
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setState(() {
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_isChecking = false;
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_hasUpdate = false;
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});
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} else {
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_hasUpdate = int.parse(json["data"]["versionCode"].toString()) > _currentVersionCode;
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if (_hasUpdate) {
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_latestVersion = json["data"]["version"];
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_downloadCode = json["data"]["versionCode"];
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_downloadUrl = json["data"]["url"];
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_changelog = json["data"]["updateInfo"];
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}
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setState(() {
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_isChecking = false;
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});
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// ✅检查本地文件是否已存在
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if (_hasUpdate) {
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bool exist = await _isLocalFileExist(_downloadCode);
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if (exist) {
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setState(() {
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_downloadProgress = 1.0;
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_isDownloading = false;
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});
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}
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}
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}
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} catch (_) {
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setState(() {
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_isChecking = false;
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_hasUpdate = false;
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});
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}
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}
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Future<void> _startDownload() async {
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setState(() {
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_downloadProgress = 0.0;
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_isDownloading = true;
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});
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try {
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final savePath = await _getLocalFilePath(_downloadCode);
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log(savePath);
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await Dio().download(
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_downloadUrl,
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savePath,
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onReceiveProgress: (received, total) {
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if (total != -1) {
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double progress = received / total;
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setState(() {
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_downloadProgress = progress;
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});
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}
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},
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);
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setState(() {
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_isDownloading = false;
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_downloadProgress = 1.0;
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});
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print('下载完成，文件保存在: $savePath');
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_installApk();
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} catch (e) {
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if (e is DioException && e.type == DioExceptionType.cancel) {
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print('下载已取消');
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} else {
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print('下载失败: $e');
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}
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setState(() {
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_isDownloading = false;
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});
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}
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}
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Future<void> _installApk() async {
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final path = await _getLocalFilePath(_downloadCode);
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if (File(path).existsSync()) {
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Remind.show(context, "下载完成", "是否安装？", cancel: "取消", confirm: "现在安装", onTap: (s) async {
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if (!s) return;
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log(path);
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await ApkInstaller.installApk(path);
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});
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} else {
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_startDownload();
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}
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}
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Future<String> _getLocalFilePath(int code) async {
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final directory = await getTemporaryDirectory();
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String path = '${directory.path}/download/';
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final Directory folder = Directory(path);
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if (!(await folder.exists())) {
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await folder.create(recursive: true);
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}
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return '${directory.path}/download/$code.apk';
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}
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Future<bool> _isLocalFileExist(int code) async {
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final path = await _getLocalFilePath(code);
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return File(path).existsSync();
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}
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Future<void> _getVersionInfo() async {
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PackageInfo packageInfo = await PackageInfo.fromPlatform();
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setState(() {
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_currentVersion = packageInfo.version;
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_currentVersionCode = int.tryParse(packageInfo.buildNumber) ?? 0;
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});
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}
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static const Duration kFadeDuration = Duration(milliseconds: 300);
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static const Duration kSwitchDuration = Duration(milliseconds: 350);
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@override
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Widget build(BuildContext context) {
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return PopScope(
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canPop: false,
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onPopInvokedWithResult: (didPop, result) async {
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if (didPop) {
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return;
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}
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if (_isDownloading) {
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Remind.show(context, "退出", "退出后将取消下载，是否退出？", onTap: (s) {
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if (s) {
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Navigator.pop(context);
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}
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});
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} else {
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Navigator.pop(context);
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}
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},
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child: Scaffold(
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backgroundColor: Colors.grey[50],
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appBar: AppBar(
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backgroundColor: Colors.grey[100],
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elevation: 0,
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centerTitle: true,
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leading: IconButton(
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icon: const Icon(Icons.arrow_back, color: Colors.black),
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onPressed: () {
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if (_isDownloading) {
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Remind.show(context, "退出", "退出后将取消下载，是否退出？", onTap: (s) {
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if (s) {
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Navigator.pop(context);
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}
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});
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} else {
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Navigator.pop(context);
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}
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},
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),
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title: Text(
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"检查更新",
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style: TextStyle(fontSize: 18, fontWeight: FontWeight.bold, color: Colors.black),
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),
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actions: [
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Padding(
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padding: EdgeInsets.only(right: 10),
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child: GestureDetector(
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child: Icon(Icons.info_outline, color: Colors.black),
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onTap: () {
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Remind.showWidget(context, 'V${_currentVersion}(${_currentVersionCode})',TargetLog(),showCancel: false);
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},
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),
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)
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],
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),
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body: SingleChildScrollView(
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child: Column(
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children: [
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_buildStatusCard(),
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SizedBox(height: 16),
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AnimatedSwitcher(
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duration: kSwitchDuration,
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transitionBuilder: (child, animation) {
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return FadeTransition(
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opacity: animation,
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child: SlideTransition(
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position: Tween<Offset>(begin: Offset(0, 0.03), end: Offset.zero).animate(animation),
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child: child,
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),
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);
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},
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child: (_hasUpdate && !_isChecking)
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? _buildUpdateContent(key: ValueKey('updateContent'))
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: SizedBox(key: ValueKey('noUpdateContent'), height: 0),
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),
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AnimatedSwitcher(
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duration: kSwitchDuration,
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transitionBuilder: (child, animation) {
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return FadeTransition(
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opacity: animation,
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child: SizeTransition(
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axisAlignment: 1,
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sizeFactor: animation,
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child: child,
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),
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);
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},
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child: _isDownloading ? _buildDownloadProgress(key: ValueKey('downloading')) : SizedBox(key: ValueKey('nodownload'), height: 0),
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),
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],
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),
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),
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),
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);
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}
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Widget _buildStatusCard() {
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return Container(
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margin: EdgeInsets.all(16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [BoxShadow(color: Colors.black12, blurRadius: 8, offset: Offset(0, 2))],
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),
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child: Column(
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children: [
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Container(
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padding: EdgeInsets.all(24),
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child: Column(
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children: [
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Container(
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width: 80,
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height: 80,
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decoration: BoxDecoration(
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color: Colors.blue[50],
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borderRadius: BorderRadius.circular(20),
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border: Border.all(color: Colors.blue[100]!),
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),
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child: Center(
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child: Image.asset('assets/app_icon.png', width: 70, height: 70, fit: BoxFit.cover),
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),
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),
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SizedBox(height: 16),
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Text('当前版本', style: TextStyle(fontSize: 14, color: Colors.grey[600])),
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SizedBox(height: 4),
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Text('V${_currentVersion}(${_currentVersionCode})',
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style: TextStyle(fontSize: 24, fontWeight: FontWeight.bold, color: Colors.black87)),
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],
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),
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),
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Divider(height: 1, color: Colors.grey[200]),
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Container(
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padding: EdgeInsets.all(16),
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child: Row(
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children: [
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Expanded(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Text(
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_isChecking ? '正在检查更新...' : _hasUpdate ? '发现新版本' : '已是最新版本',
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key: ValueKey<String>(_isChecking ? 'checking' : (_hasUpdate ? 'hasUpdate' : 'noUpdate')),
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600, color: _hasUpdate ? Colors.lightBlueAccent : Colors.lightBlueAccent),
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),
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SizedBox(height: 4),
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Text(
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_isChecking ? '请稍等片刻' : _hasUpdate ? '立即体验新功能' : '您的应用已更新至最新版本',
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key: ValueKey<String>(_isChecking ? 'checkingSub' : (_hasUpdate ? 'hasUpdateSub' : 'noUpdateSub')),
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style: TextStyle(fontSize: 14, color: Colors.grey[600]),
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),
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],
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),
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),
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AnimatedSwitcher(
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duration: kSwitchDuration,
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transitionBuilder: (child, animation) {
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return FadeTransition(opacity: animation, child: ScaleTransition(scale: animation, child: child));
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},
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child: _isChecking
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? SizedBox(width: 32, height: 32, key: ValueKey('checkingIndicator'))
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: (!_hasUpdate
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? Icon(Icons.check_circle, color: Colors.lightBlueAccent, size: 32, key: ValueKey('checkIcon'))
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: Container(
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key: ValueKey('newBadge'),
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padding: EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(color: Colors.blue[50], borderRadius: BorderRadius.circular(12)),
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child: Text('NEW', style: TextStyle(color: Colors.lightBlueAccent, fontWeight: FontWeight.bold, fontSize: 12)),
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)),
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),
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],
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),
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),
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if (!_isChecking && !_isDownloading)
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Container(
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padding: EdgeInsets.fromLTRB(16, 0, 16, 16),
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child: AnimatedSwitcher(
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duration: kSwitchDuration,
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transitionBuilder: (child, animation) {
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return FadeTransition(
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opacity: animation,
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child: SlideTransition(
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position: Tween<Offset>(begin: Offset(0, 0.05), end: Offset.zero).animate(animation), child: child));
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},
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child: ElevatedButton(
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key: ValueKey<String>(
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_hasUpdate ? (_downloadProgress == 1.0 ? 'install' : 'update') : 'check',
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),
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onPressed: _hasUpdate
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? (_downloadProgress == 1.0 ? _installApk : _startDownload)
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: _checkForUpdate,
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style: ElevatedButton.styleFrom(
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backgroundColor: _hasUpdate ? Colors.lightBlueAccent : Colors.lightBlueAccent,
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foregroundColor: Colors.white,
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minimumSize: Size(double.infinity, 48),
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shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(12)),
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elevation: 0,
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),
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child: Text(
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_hasUpdate ? (_downloadProgress == 1.0 ? '立即安装' : '立即更新') : '检查更新',
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style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600),
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),
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),
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),
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),
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],
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),
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);
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}
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Widget _buildUpdateContent({Key? key}) {
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return Container(
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key: key,
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margin: EdgeInsets.symmetric(horizontal: 16),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [BoxShadow(color: Colors.black12, blurRadius: 8, offset: Offset(0, 2))],
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),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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Padding(
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padding: EdgeInsets.all(20),
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child: Row(
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children: [
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AnimatedOpacity(duration: kFadeDuration, opacity: 1.0, child: Icon(Icons.new_releases, color: Colors.lightBlueAccent, size: 20)),
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SizedBox(width: 8),
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Text('更新内容', style: TextStyle(fontSize: 18, fontWeight: FontWeight.w600, color: Colors.black87)),
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],
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),
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),
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Container(
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padding: EdgeInsets.symmetric(horizontal: 20),
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child: Row(
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children: [
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Container(
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padding: EdgeInsets.symmetric(horizontal: 12, vertical: 6),
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decoration: BoxDecoration(color: Colors.blue[50], borderRadius: BorderRadius.circular(8)),
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child: Text('V$_latestVersion', style: TextStyle(color: Colors.blue, fontWeight: FontWeight.bold)),
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),
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SizedBox(width: 8),
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Text('${_changelog.split('\n').length}项更新', style: TextStyle(color: Colors.grey[600], fontSize: 14)),
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],
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),
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),
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SizedBox(height: 16),
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AnimatedSize(
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duration: kSwitchDuration,
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curve: Curves.easeInOut,
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child: Container(
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padding: EdgeInsets.symmetric(horizontal: 20),
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child: Text(_changelog, style: TextStyle(fontSize: 15, height: 1.6, color: Colors.grey[700])),
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),
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),
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SizedBox(height: 20),
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],
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),
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);
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}
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Widget _buildDownloadProgress({Key? key}) {
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return Container(
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key: key,
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margin: EdgeInsets.all(16),
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padding: EdgeInsets.all(20),
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decoration: BoxDecoration(
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color: Colors.white,
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borderRadius: BorderRadius.circular(16),
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boxShadow: [BoxShadow(color: Colors.black12, blurRadius: 8, offset: Offset(0, 2))],
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),
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child: Column(
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children: [
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Row(
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children: [
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Icon(Icons.download, color: Colors.blue, size: 20),
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SizedBox(width: 8),
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Text('下载更新', style: TextStyle(fontSize: 16, fontWeight: FontWeight.w600)),
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Spacer(),
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TweenAnimationBuilder<double>(
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tween: Tween<double>(begin: 0, end: _downloadProgress),
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duration: Duration(milliseconds: 300),
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builder: (context, value, child) {
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return Text('${(value * 100).toStringAsFixed(1)}%', style: TextStyle(color: Colors.blue, fontWeight: FontWeight.bold));
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},
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),
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],
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),
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SizedBox(height: 16),
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TweenAnimationBuilder<double>(
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tween: Tween<double>(begin: 0, end: _downloadProgress),
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duration: Duration(milliseconds: 300),
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builder: (context, value, child) {
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return ClipRRect(
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borderRadius: BorderRadius.circular(4),
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child: LinearProgressIndicator(
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value: value,
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backgroundColor: Colors.grey[200],
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valueColor: AlwaysStoppedAnimation<Color>(Colors.blue),
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minHeight: 8,
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),
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);
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},
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),
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SizedBox(height: 8),
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AnimatedSwitcher(
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duration: Duration(milliseconds: 250),
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child: Text(
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_downloadProgress < 1 ? '正在下载更新包...' : '下载完成！',
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key: ValueKey<bool>(_downloadProgress < 1),
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style: TextStyle(fontSize: 12, color: Colors.grey[600]),
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),
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),
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],
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),
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);
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}
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}
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