download static method

Future download(String url)

Implementation

static Future download(String url) async {
  // 初始化 FlutterDownloader
  await FlutterDownloader.initialize();

  final per = await PermissionHelper.checkPermission([Permission.storage]);
  if (!per) {
    CommonHelper.showToast("Please enable related permissions");
  }

  final path = await _apkLocalPath;
  PackageInfo packageInfo = await getPackageInfo();
  File file = File(path + '/' + packageInfo.appName);
  if (await file.exists()) await file.delete();

  WidgetsFlutterBinding.ensureInitialized();
  await FlutterDownloader.initialize();

  CommonHelper.showToast("Start download");
  final taskId = await FlutterDownloader.enqueue(
      url: url,
      savedDir: path,
      fileName: packageInfo.appName,
      showNotification: true,
      openFileFromNotification: true);

  FlutterDownloader.registerCallback((id, status, progress) {
    DownloadTaskStatus downloadTaskStatus = DownloadTaskStatus.values[status];
    if (downloadTaskStatus == DownloadTaskStatus.failed) {
      CommonHelper.showToast("Download failed");
    }
    if (taskId == id && downloadTaskStatus == DownloadTaskStatus.complete) {
      CommonHelper.showToast("Download complete");
      _installApk();
    }
  });
}