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@@ -4,6 +4,7 @@ import 'dart:ui'; |
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import 'package:common_utils/common_utils.dart';
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import 'package:device_info/device_info.dart';
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import 'package:dio/dio.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_picker/Picker.dart';
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import 'package:flutter_screenutil/flutter_screenutil.dart';
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@@ -14,12 +15,14 @@ import 'package:one_key/widgets/v_empty_view.dart'; |
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import 'package:path_provider/path_provider.dart';
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import 'package:permission_handler/permission_handler.dart';
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import '../../../../net/dio_util.dart';
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import '../../../../utils/dialog_util.dart';
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import '../../../../utils/screen_util.dart';
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import '../../../../utils/utils.dart';
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import '../../../../widgets/h_empty_view.dart';
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import 'package:flutter_downloader/flutter_downloader.dart';
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import 'package:android_path_provider/android_path_provider.dart';
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import 'package:open_file/open_file.dart';
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/**
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* 导出预订数据
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@@ -51,14 +54,130 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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void initState() {
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super.initState();
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_bindBackgroundIsolate();
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// IsolateNameServer.registerPortWithName(
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// _port.sendPort, 'downloader_send_port');
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// _port.listen((dynamic data) {
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// taskId = data[0];
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// status = DownloadTaskStatus(data[1]);
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// progress = data[2];
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// setState(() {});
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// if (status == DownloadTaskStatus.undefined) {
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// // _requestDownload(task);
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// } else if (status == DownloadTaskStatus.running) {
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// // _pauseDownload(task);
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// // setState(() {});
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// } else if (status == DownloadTaskStatus.paused) {
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// // _resumeDownload(task);
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// // setState(() {});
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// } else if (status == DownloadTaskStatus.complete ||
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// status == DownloadTaskStatus.canceled) {
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// // _delete(task);
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FlutterDownloader.registerCallback(downloadCallback, step: 1);
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// // 显示是否打开的对话框
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// DialogUtil.cupertinoAlertDialog(context,
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// title: '提示',
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// content: '文件下载完成，是否打开？',
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// lTitle: '取消',
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// rTitle: '打开', lCallback: () {
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// Navigator.pop(context);
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// }, rCallback: () async {
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// // Navigator.pop(context);
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// print(_localPath);
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// final tasks = await FlutterDownloader.loadTasks();
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// String str = '';
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// tasks.forEach((element) {
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// str = element.savedDir + '/' + element.filename;
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// });
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// print(str);
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// if (str != '') {
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// OpenFile.open(str);
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// _delete();
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// }
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// });
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// // showDialog(
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// // // 设置点击 dialog 外部不取消 dialog，默认能够取消
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// // barrierDismissible: false,
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// // context: context,
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// // builder: (context) => AlertDialog(
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// // title: Text('提示'),
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// // // 标题文字样式
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// // content: Text('文件下载完成，是否打开？'),
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// // // 内容文字样式
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// // backgroundColor: MyColours.color_ffffff,
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// // elevation: 8.0,
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// // // 投影的阴影高度
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// // semanticLabel: 'Label',
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// // // 这个用于无障碍下弹出 dialog 的提示
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// // shape: Border.all(),
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// // // dialog 的操作按钮，actions 的个数尽量控制不要过多，否则会溢出 `Overflow`
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// // actions: <Widget>[
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// // // 点击取消按钮
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// // InkWell(
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// // onTap: () => Navigator.pop(context), child: Text('取消')),
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// // // 点击打开按钮
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// // InkWell(
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// // onTap: () async {
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// // Navigator.pop(context);
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// // print(_localPath);
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// // final tasks = await FlutterDownloader.loadTasks();
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// // String str = '';
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// // tasks.forEach((element) {
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// // str = element.savedDir + '/' + element.filename;
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// // });
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// // print(str);
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// // if (str != '') {
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// // OpenFile.open(str);
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// // }
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// // // 打开文件
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// // // _openDownloadedFile(taskId).then((success) {
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// // // if (!success) {
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// // // Utils.showToast('Cannot open this file');
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// // // // Scaffold.of(context).showSnackBar(SnackBar(
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// // // // content: Text('Cannot open this file')));
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// // // }
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// // // });
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// // },
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// // child: Text('打开')),
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// // ],
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// // ));
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// } else if (status == DownloadTaskStatus.failed) {
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// // _retryDownload(task);
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// Utils.showToast('下载异常，请稍后重试');
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// }
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// });
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// FlutterDownloader.registerCallback(downloadCallback);
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// // _bindBackgroundIsolate();
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// // FlutterDownloader.registerCallback(downloadCallback, step: 1);
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// _delete();
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}
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// _preae() async {
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// final tasks = await FlutterDownloader.loadTasks();
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// if (tasks == null) {
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// print('No tasks were retrieved from the database.');
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// return;
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// } else {
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// tasks.forEach((element) {
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// FlutterDownloader.remove(
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// taskId: element.taskId, shouldDeleteContent: false);
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// });
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// }
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// }
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@override
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void dispose() {
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_unbindBackgroundIsolate();
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// _unbindBackgroundIsolate();
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super.dispose();
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}
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...
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@@ -68,13 +187,9 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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int status,
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int progress,
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) {
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print(
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'Callback on background isolate: '
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'task ($id) is in status ($status) and process ($progress)',
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);
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IsolateNameServer.lookupPortByName('downloader_send_port')
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?.send([id, status, progress]);
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final SendPort send =
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IsolateNameServer.lookupPortByName('downloader_send_port');
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send.send([id, status, progress]);
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}
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// 根据taskId打开下载文件
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@@ -82,75 +197,89 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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return FlutterDownloader.open(taskId: taskId);
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}
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void _bindBackgroundIsolate() {
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final isSuccess = IsolateNameServer.registerPortWithName(
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_port.sendPort,
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'downloader_send_port',
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);
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if (!isSuccess) {
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_unbindBackgroundIsolate();
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_bindBackgroundIsolate();
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return;
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// void _bindBackgroundIsolate() {
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// final isSuccess = IsolateNameServer.registerPortWithName(
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// _port.sendPort,
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// 'downloader_send_port',
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// );
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// if (!isSuccess) {
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// _unbindBackgroundIsolate();
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// _bindBackgroundIsolate();
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// return;
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// }
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// _port.listen((dynamic data) {
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// taskId = (data as List<dynamic>)[0] as String;
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// status = DownloadTaskStatus(data[1] as int);
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// progressT = data[2] as int;
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// print(
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// 'Callback on UI isolate: '
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// 'task ($taskId) is in status ($status) and process ($progressT)',
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// );
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// if (status == DownloadTaskStatus.undefined) {
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// // _requestDownload(task);
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// } else if (status == DownloadTaskStatus.running) {
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// // _pauseDownload(task);
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// setState(() {});
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// } else if (status == DownloadTaskStatus.paused) {
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// // _resumeDownload(task);
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// setState(() {});
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// } else if (status == DownloadTaskStatus.complete ||
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// status == DownloadTaskStatus.canceled) {
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// // _delete(task);
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// // 显示是否打开的对话框
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// showDialog(
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// // 设置点击 dialog 外部不取消 dialog，默认能够取消
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// barrierDismissible: false,
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// context: context,
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// builder: (context) => AlertDialog(
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// title: Text('提示'),
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// // 标题文字样式
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// content: Text('文件下载完成，是否打开？'),
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// // 内容文字样式
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// backgroundColor: MyColours.color_ffffff,
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// elevation: 8.0,
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// // 投影的阴影高度
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// semanticLabel: 'Label',
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// // 这个用于无障碍下弹出 dialog 的提示
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// shape: Border.all(),
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// // dialog 的操作按钮，actions 的个数尽量控制不要过多，否则会溢出 `Overflow`
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// actions: <Widget>[
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// // 点击取消按钮
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// InkWell(
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// onTap: () => Navigator.pop(context), child: Text('取消')),
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// // 点击打开按钮
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// InkWell(
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// onTap: () {
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// Navigator.pop(context);
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// // 打开文件
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// _openDownloadedFile(taskId).then((success) {
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// if (!success) {
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// Utils.showToast('Cannot open this file');
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// // Scaffold.of(context).showSnackBar(SnackBar(
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// // content: Text('Cannot open this file')));
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// }
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// });
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// },
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// child: Text('打开')),
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// ],
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// ));
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// } else if (status == DownloadTaskStatus.failed) {
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// // _retryDownload(task);
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// Utils.showToast('下载异常，请稍后重试');
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// }
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// });
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// }
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Future<void> _delete() async {
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final task = await FlutterDownloader.loadTasks();
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if (task != null) {
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task.forEach((element) {
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FlutterDownloader.remove(
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taskId: element.taskId,
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shouldDeleteContent: true,
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);
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});
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}
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_port.listen((dynamic data) {
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taskId = (data as List<dynamic>)[0] as String;
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status = DownloadTaskStatus(data[1] as int);
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progress = data[2] as int;
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print(
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'Callback on UI isolate: '
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'task ($taskId) is in status ($status) and process ($progress)',
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);
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if (status == DownloadTaskStatus.undefined) {
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// _requestDownload(task);
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} else if (status == DownloadTaskStatus.running) {
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// _pauseDownload(task);
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} else if (status == DownloadTaskStatus.paused) {
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// _resumeDownload(task);
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} else if (status == DownloadTaskStatus.complete ||
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status == DownloadTaskStatus.canceled) {
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// _delete(task);
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// 显示是否打开的对话框
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showDialog(
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// 设置点击 dialog 外部不取消 dialog，默认能够取消
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barrierDismissible: false,
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context: context,
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builder: (context) => AlertDialog(
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title: Text('提示'),
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// 标题文字样式
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content: Text('文件下载完成，是否打开？'),
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// 内容文字样式
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backgroundColor: MyColours.color_ffffff,
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elevation: 8.0,
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// 投影的阴影高度
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semanticLabel: 'Label',
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|
// 这个用于无障碍下弹出 dialog 的提示
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shape: Border.all(),
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|
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// dialog 的操作按钮，actions 的个数尽量控制不要过多，否则会溢出 `Overflow`
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actions: <Widget>[
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// 点击取消按钮
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InkWell(
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onTap: () => Navigator.pop(context), child: Text('取消')),
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// 点击打开按钮
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InkWell(
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onTap: () {
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Navigator.pop(context);
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// 打开文件
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_openDownloadedFile(taskId).then((success) {
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if (!success) {
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Utils.showToast('Cannot open this file');
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// Scaffold.of(context).showSnackBar(SnackBar(
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// content: Text('Cannot open this file')));
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}
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});
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},
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child: Text('打开')),
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],
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));
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} else if (status == DownloadTaskStatus.failed) {
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// _retryDownload(task);
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}
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});
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}
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Future<void> _prepareSaveDir() async {
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...
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...
|
@@ -165,14 +294,14 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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String externalStorageDirPath;
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if (Platform.isAndroid) {
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try {
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externalStorageDirPath = await AndroidPathProvider.downloadsPath;
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} catch (err, st) {
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print('failed to get downloads path: $err, $st');
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// try {
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// externalStorageDirPath = await AndroidPathProvider.downloadsPath;
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// } catch (err, st) {
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// print('failed to get downloads path: $err, $st');
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final directory = await getExternalStorageDirectory();
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externalStorageDirPath = directory?.path;
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}
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final directory = await getExternalStorageDirectory();
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externalStorageDirPath = directory?.path;
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// }
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} else if (Platform.isIOS) {
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externalStorageDirPath =
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(await getApplicationDocumentsDirectory()).absolute.path;
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...
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...
|
@@ -186,10 +315,10 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
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}
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|
|
|
|
if (Platform.isAndroid) {
|
|
|
|
final info = await DeviceInfoPlugin().androidInfo;
|
|
|
|
if (info.version.sdkInt > 28) {
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
// final info = await DeviceInfoPlugin().androidInfo;
|
|
|
|
// if (info.version.sdkInt > 28) {
|
|
|
|
// return true;
|
|
|
|
// }
|
|
|
|
|
|
|
|
final status = await Permission.storage.status;
|
|
|
|
if (status == PermissionStatus.granted) {
|
|
...
|
...
|
@@ -299,8 +428,14 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
|
|
|
// controller: controller,
|
|
|
|
child: Column(
|
|
|
|
children: [
|
|
|
|
(status == DownloadTaskStatus.running ||
|
|
|
|
status == DownloadTaskStatus.paused)
|
|
|
|
// (status == DownloadTaskStatus.running ||
|
|
|
|
// status == DownloadTaskStatus.paused)
|
|
|
|
// ? LinearProgressIndicator(
|
|
|
|
// value: progress / 100,
|
|
|
|
// )
|
|
|
|
// : VEmptyView(10),
|
|
|
|
|
|
|
|
progress != null && progress != 100
|
|
|
|
? LinearProgressIndicator(
|
|
|
|
value: progress / 100,
|
|
|
|
)
|
|
...
|
...
|
@@ -404,7 +539,9 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
|
|
|
),
|
|
|
|
VEmptyView(26),
|
|
|
|
RoundButton(
|
|
|
|
text: '导出数据',
|
|
|
|
text: (progress != null && progress != 100)
|
|
|
|
? '${progress}%'
|
|
|
|
: '导出数据',
|
|
|
|
width: w(218),
|
|
|
|
height: w(43),
|
|
|
|
gradientStart: MyColours.color_f3f3f3,
|
|
...
|
...
|
@@ -415,22 +552,86 @@ class _ExportBookDataPageState extends State<ExportBookDataPage> { |
|
|
|
fontSize: 32,
|
|
|
|
isBold: true,
|
|
|
|
onPressed: () async {
|
|
|
|
if (progress != null) {
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
bool _permissionReady = await _checkPermission();
|
|
|
|
if (_permissionReady) {
|
|
|
|
await _prepareSaveDir();
|
|
|
|
}
|
|
|
|
taskId = await FlutterDownloader.enqueue(
|
|
|
|
url:
|
|
|
|
// _delete();
|
|
|
|
String savePath = _localPath + "/fff.pdf";
|
|
|
|
Directory directory = new Directory(savePath);
|
|
|
|
if (directory.existsSync()) {
|
|
|
|
//删除历史
|
|
|
|
final List<FileSystemEntity> files = directory.listSync();
|
|
|
|
for (FileSystemEntity file in files) {
|
|
|
|
file.deleteSync();
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
try {
|
|
|
|
Response response = await DioUtil().download(
|
|
|
|
'http://englishonlineclub.com/pdf/iOS%20Programming%20-%20The%20Big%20Nerd%20Ranch%20Guide%20(6th%20Edition)%20[EnglishOnlineClub.com].pdf',
|
|
|
|
headers: {
|
|
|
|
'auth': 'test_for_sql_encoding'
|
|
|
|
}, // optional: header send with url (auth token etc)
|
|
|
|
savedDir: _localPath,
|
|
|
|
showNotification:
|
|
|
|
true, // show download progress in status bar (for Android)
|
|
|
|
openFileFromNotification:
|
|
|
|
true, // click on notification to open downloaded file (for Android)
|
|
|
|
);
|
|
|
|
savePath, onProgress: (received, total) {
|
|
|
|
if (progress != 100) {
|
|
|
|
progress = ((received / total) * 100).round();
|
|
|
|
|
|
|
|
setState(() {});
|
|
|
|
}
|
|
|
|
if (received == total) {
|
|
|
|
//下载完成
|
|
|
|
print('xaizaiwancheng');
|
|
|
|
|
|
|
|
DialogUtil.cupertinoAlertDialog(context,
|
|
|
|
title: '提示',
|
|
|
|
content: '文件下载完成，是否打开？',
|
|
|
|
lTitle: '取消',
|
|
|
|
rTitle: '打开', lCallback: () {
|
|
|
|
progress = null;
|
|
|
|
setState(() {});
|
|
|
|
}, rCallback: () async {
|
|
|
|
// Navigator.pop(context);
|
|
|
|
|
|
|
|
// print(_localPath);
|
|
|
|
|
|
|
|
// final tasks = await FlutterDownloader.loadTasks();
|
|
|
|
// String str = '';
|
|
|
|
// tasks.forEach((element) {
|
|
|
|
// str = element.savedDir + '/' + element.filename;
|
|
|
|
// });
|
|
|
|
// print(str);
|
|
|
|
|
|
|
|
// if (str != '') {
|
|
|
|
print(savePath);
|
|
|
|
progress = null;
|
|
|
|
setState(() {});
|
|
|
|
OpenFile.open(savePath);
|
|
|
|
// _delete();
|
|
|
|
// }
|
|
|
|
});
|
|
|
|
}
|
|
|
|
});
|
|
|
|
print(response);
|
|
|
|
} catch (e) {
|
|
|
|
print(e);
|
|
|
|
}
|
|
|
|
|
|
|
|
// taskId = await FlutterDownloader.enqueue(
|
|
|
|
// url:
|
|
|
|
// 'http://englishonlineclub.com/pdf/iOS%20Programming%20-%20The%20Big%20Nerd%20Ranch%20Guide%20(6th%20Edition)%20[EnglishOnlineClub.com].pdf',
|
|
|
|
// headers: {
|
|
|
|
// // 'auth': 'test_for_sql_encoding'
|
|
|
|
// }, // optional: header send with url (auth token etc)
|
|
|
|
// savedDir: _localPath,
|
|
|
|
// saveInPublicStorage: true,
|
|
|
|
// // fileName:
|
|
|
|
// // // showNotification:
|
|
|
|
// // // true, // show download progress in status bar (for Android)
|
|
|
|
// // openFileFromNotification:
|
|
|
|
// // true, // click on notification to open downloaded file (for Android)
|
|
|
|
// );
|
|
|
|
},
|
|
|
|
)
|
|
|
|
],
|
...
|
...
|
|
