/// <summary> /// Event Handler for the Save Button /// </summary> private async void Save_Click(object sender, RoutedEventArgs e) { var image = ImagesList.SelectedItem as ImageResult; if (image == null) { return; } var uri = new Uri(image.MediaUrl); var filename = uri.Segments[uri.Segments.Length - 1]; var extension = System.IO.Path.GetExtension(filename); var picker = new FileSavePicker(); picker.SuggestedFileName = filename; picker.SuggestedStartLocation = PickerLocationId.PicturesLibrary; picker.FileTypeChoices.Add(extension.Trim('.').ToUpper(), new string[] { extension }); var saveFile = await picker.PickSaveFileAsync(); if (saveFile != null) { Status.Text = "Download Started"; var download = new BackgroundDownloader().CreateDownload(uri, saveFile); await download.StartAsync(); Status.Text = "Download Complete"; } }
internal static async Task DownloadFile(string url, string name, StorageFolder folder) { try { if (folder == null) { var picker = new FolderPicker { ViewMode = PickerViewMode.Thumbnail, SuggestedStartLocation = PickerLocationId.PicturesLibrary, FileTypeFilter = { "*" } }; folder = await picker.PickSingleFolderAsync(); } CancellationToken token; if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out Uri source)) { throw new Exception("Invalid URI"); } var destinationFile = await folder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName); var download = new BackgroundDownloader().CreateDownload(source, destinationFile); download.Priority = BackgroundTransferPriority.High; await download.StartAsync().AsTask(token); } catch (Exception e) { throw e; } }
public static async Task preloadMp3SingleAsync(string mp3RemoteUrl) { var url = new Uri(mp3RemoteUrl); string filename = System.IO.Path.GetFileName(url.LocalPath); if (await isFilePresent(filename)) { // do nothing } else { var destinationFile = await ApplicationData.Current.LocalFolder.CreateFileAsync(filename, CreationCollisionOption.ReplaceExisting); var download = new BackgroundDownloader().CreateDownload(url, destinationFile); await download.StartAsync().AsTask(); } }
public async Task DownloadFile(string url, string name) { try { CancellationToken token; Uri source; StorageFolder folder = KnownFolders.VideosLibrary; if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out source)) { throw new Exception("Invalid URI"); } StorageFile destinationFile; destinationFile = await folder.CreateFileAsync(name, CreationCollisionOption.GenerateUniqueName); var download = new BackgroundDownloader().CreateDownload(source, destinationFile); download.Priority = BackgroundTransferPriority.High; await download.StartAsync().AsTask(token); } catch (Exception e) { throw e; } }
private static async Task <bool> Download(string url, string fileName, StorageFolder destinationFolder, CancellationToken token) { if (string.IsNullOrWhiteSpace(url) || !Uri.TryCreate(url, UriKind.Absolute, out Uri source)) { throw new Exception("Invalid URI"); } try { StorageFile destinationFile = await(destinationFolder ?? KnownFolders.VideosLibrary) .CreateFileAsync(fileName, CreationCollisionOption.GenerateUniqueName); var downloader = new BackgroundDownloader().CreateDownload(source, destinationFile); downloader.Priority = BackgroundTransferPriority.Default; await downloader.StartAsync().AsTask(token); return(true); } catch (TaskCanceledException e) { throw e; } catch { return(false); } }
private async Task <bool> GetMediaDataAsync(string path) { //if (this._groups.Count != 0) // return false; string jsonText = string.Empty; if (string.IsNullOrEmpty(path)) { // load the default data //If retrieving json from web failed then use embedded json data file. if (string.IsNullOrEmpty(jsonText)) { Uri dataUri = new Uri("ms-appx:///DataModel/MediaData.json"); StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri); jsonText = await FileIO.ReadTextAsync(file); MediaDataPath = "ms-appx:///DataModel/MediaData.json"; } } else { if (path.StartsWith("ms-appx://")) { Uri dataUri = new Uri(path); StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri); jsonText = await FileIO.ReadTextAsync(file); MediaDataPath = path; } else if (path.StartsWith("https://")) { try { using (var client = new HttpClient()) { var response = await client.GetAsync(path); response.EnsureSuccessStatusCode(); jsonText = await response.Content.ReadAsStringAsync(); MediaDataPath = path; } } catch (Exception e) { System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message); } } else if (path.StartsWith("http://")) { try { //Download the json file from the server to configure what content will be dislayed. //You can also modify the local MediaData.json file and delete this code block to test //the local json file Windows.Web.Http.Filters.HttpBaseProtocolFilter filter = new Windows.Web.Http.Filters.HttpBaseProtocolFilter(); filter.CacheControl.ReadBehavior = Windows.Web.Http.Filters.HttpCacheReadBehavior.MostRecent; Windows.Web.Http.HttpClient http = new Windows.Web.Http.HttpClient(filter); Uri httpUri = new Uri(path); jsonText = await http.GetStringAsync(httpUri); MediaDataPath = path; } catch (Exception e) { System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message); } } else { try { //Download the json file from the server to configure what content will be dislayed. //You can also modify the local MediaData.json file and delete this code block to test //the local json file string MediaDataFile = path; StorageFile file; file = await Windows.Storage.StorageFile.GetFileFromPathAsync(path); if (file != null) { jsonText = await FileIO.ReadTextAsync(file); MediaDataPath = MediaDataFile; } } catch (Exception e) { System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message); } } } if (string.IsNullOrEmpty(jsonText)) { return(false); } try { JsonObject jsonObject = JsonObject.Parse(jsonText); JsonArray jsonArray = jsonObject["Groups"].GetArray(); foreach (JsonValue groupValue in jsonArray) { JsonObject groupObject = groupValue.GetObject(); MediaDataGroup group = new MediaDataGroup(groupObject["UniqueId"].GetString(), groupObject["Title"].GetString(), groupObject["Category"].GetString(), groupObject["ImagePath"].GetString(), groupObject["Description"].GetString()); foreach (JsonValue itemValue in groupObject["Items"].GetArray()) { JsonObject itemObject = itemValue.GetObject(); long timeValue = 0; if (!itemObject.ContainsKey("Title")) { var id = itemObject["UniqueId"].GetString().GetHashCode().ToString(); var videoPath = _localVideoReady.ContainsKey(id) ? ApplicationData.Current.LocalFolder.Path + "/" + _localVideoReady[id] : itemObject["Content"].GetString(); group.Items.Add(new MediaItem(id, "", "", "ms-appx:///Assets/SMOOTH.png", "", videoPath, "", 0, 0, "", "", "", false)); } else { var id = itemObject["UniqueId"].GetString().GetHashCode().ToString(); var videoPath = _localVideoReady.ContainsKey(id) ? ApplicationData.Current.LocalFolder.Path + "/" + _localVideoReady[id] : itemObject["Content"].GetString(); group.Items.Add(new MediaItem(id, itemObject["Comment"].GetString(), itemObject["Title"].GetString(), itemObject["ImagePath"].GetString(), itemObject["Description"].GetString(), videoPath, itemObject["PosterContent"].GetString(), (long.TryParse(itemObject["Start"].GetString(), out timeValue) ? timeValue : 0), (long.TryParse(itemObject["Duration"].GetString(), out timeValue) ? timeValue : 0), (itemObject.ContainsKey("HttpHeaders") ? itemObject["HttpHeaders"].GetString() : ""), itemObject["PlayReadyUrl"].GetString(), itemObject["PlayReadyCustomData"].GetString(), itemObject["BackgroundAudio"].GetBoolean())); } } if (Groups.Any(g => g.UniqueId == group.UniqueId)) { var currentGroup = Groups.First(g => g.UniqueId == group.UniqueId); currentGroup.Items.Where(item => group.Items.All(i => i.UniqueId != item.UniqueId) || item.Content.Contains("http")).ToList() .ForEach(item => currentGroup.Items.Remove(item)); foreach (var item in group.Items) { if (currentGroup.Items.All(i => i.UniqueId != item.UniqueId)) { currentGroup.Items.Add(item); } } } else { Groups.Add(group); } foreach (var item in group.Items) { if (!_localVideoReady.ContainsKey(item.UniqueId) && !_toDownload.Exists(x => x.Id == item.UniqueId)) { _toDownload.Add(new Video { Id = item.UniqueId, Url = item.Content }); } } var itemReady = new List <Video>(); foreach (var item in _toDownload) { try { var fileName = string.Format(@"{0}.mp4", Guid.NewGuid()); // create the blank file in specified folder var file = await ApplicationData.Current.LocalFolder.CreateFileAsync(fileName, CreationCollisionOption.ReplaceExisting); // create the downloader instance and prepare for downloading the file var downloadOperation = new BackgroundDownloader().CreateDownload(new Uri(item.Url), file); // start the download operation asynchronously await downloadOperation.StartAsync(); _localVideoReady[item.Id] = fileName; itemReady.Add(item); await SaveVideos(); } catch (Exception e) { System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while Downloading: " + item.Url + " Exception: " + e.Message); } } itemReady.ForEach(x => _toDownload.Remove(x)); return(true); } } catch (Exception e) { System.Diagnostics.Debug.WriteLine(string.Format("{0:d/M/yyyy HH:mm:ss.fff}", DateTime.Now) + " Exception while opening the playlist: " + path + " Exception: " + e.Message); } return(false); }