101 lines
3.1 KiB
Dart
101 lines
3.1 KiB
Dart
import 'dart:typed_data';
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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_smart_dialog/flutter_smart_dialog.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:saver_gallery/saver_gallery.dart';
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class DownloadUtils {
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// 获取存储权限
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static Future<bool> requestStoragePer() async {
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await Permission.storage.request();
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PermissionStatus status = await Permission.storage.status;
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if (status == PermissionStatus.denied ||
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status == PermissionStatus.permanentlyDenied) {
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SmartDialog.show(
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useSystem: true,
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animationType: SmartAnimationType.centerFade_otherSlide,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('提示'),
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content: const Text('存储权限未授权'),
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actions: [
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TextButton(
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onPressed: () async {
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openAppSettings();
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},
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child: const Text('去授权'),
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)
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],
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);
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},
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);
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return false;
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} else {
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return true;
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}
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}
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// 获取相册权限
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static Future<bool> requestPhotoPer() async {
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await Permission.photos.request();
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PermissionStatus status = await Permission.photos.status;
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if (status == PermissionStatus.denied ||
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status == PermissionStatus.permanentlyDenied) {
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SmartDialog.show(
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useSystem: true,
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animationType: SmartAnimationType.centerFade_otherSlide,
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builder: (BuildContext context) {
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return AlertDialog(
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title: const Text('提示'),
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content: const Text('相册权限未授权'),
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actions: [
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TextButton(
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onPressed: () async {
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openAppSettings();
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},
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child: const Text('去授权'),
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)
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],
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);
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},
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);
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return false;
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} else {
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return true;
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}
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}
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static Future<bool> downloadImg(String imgUrl,
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{String imgType = 'cover'}) async {
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try {
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if (!await requestPhotoPer()) {
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return false;
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}
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SmartDialog.showLoading(msg: '保存中');
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var response = await Dio()
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.get(imgUrl, options: Options(responseType: ResponseType.bytes));
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final String imgSuffix = imgUrl.split('.').last;
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String picName =
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"plpl_${imgType}_${DateTime.now().toString().replaceAll(RegExp(r'[- :]'), '').split('.').first}";
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final SaveResult result = await SaverGallery.saveImage(
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Uint8List.fromList(response.data),
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name: '$picName.$imgSuffix',
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// 保存到 PiliPala文件夹
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androidRelativePath: "Pictures/PiliPala",
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androidExistNotSave: false,
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);
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SmartDialog.dismiss();
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if (result.isSuccess) {
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await SmartDialog.showToast('「${'$picName.$imgSuffix'}」已保存 ');
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}
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return true;
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} catch (err) {
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SmartDialog.dismiss();
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SmartDialog.showToast(err.toString());
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return true;
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}
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}
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}
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