private async void _offlineNewsDownloader_OfflineProcessHandler(double process)
{
btn_Offline.Text = "完成:" + (process * 100).ToString("0.0") + "%";
progInd.ProgressValue = process;
if (Math.Abs(process) == 1)
{
btn_Offline.Text = "离线下载";
if (process == 1)
{
ToastPrompt.ShowToast("离线下载完成");
}
await progInd.HideAsync();
_offlineNewsDownloader.OfflineProcessHandler -= _offlineNewsDownloader_OfflineProcessHandler;
_offlineNewsDownloader = null;
}
}
private async void btn_OfflineDownload_Click(object sender, RoutedEventArgs e)
{
if (_offlineNewsDownloader == null)
{
_offlineNewsDownloader = new OfflineNewsDownloader();
}
downloadStatus = !downloadStatus;//切换状态
if (this.downloadStatus)
{
progInd = StatusBar.GetForCurrentView().ProgressIndicator;
await progInd.ShowAsync();
_offlineNewsDownloader.OfflineProcessHandler += _offlineNewsDownloader_OfflineProcessHandler;
_offlineNewsDownloader.BeginDownloadAsync();
}
else
{
_offlineNewsDownloader.EndDownload();
}
}
