/// <summary>
/// Populates the page with content passed during navigation. Any saved state is also
/// provided when recreating a page from a prior session.
/// </summary>
/// <param name="sender">
/// The source of the event; typically <see cref="Common.NavigationHelper"/>
/// </param>
/// <param name="e">Event data that provides both the navigation parameter passed to
/// <see cref="Frame.Navigate(Type, Object)"/> when this page was initially requested and
/// a dictionary of state preserved by this page during an earlier
/// session. The state will be null the first time a page is visited.</param>
private async void navigationHelper_LoadState(object sender, LoadStateEventArgs e)
{
//// One drive authentication
string clientId = "kZoNIQAeXdWUvxXcx2vyF1E72Rg03JRz";
string returnUrl = "https://login.live.com/oauth20_authorize.srf";
string[] scopes = { "onedrive.readwrite", "wl.offline_access", "wl.signin" };
var oneDriveClient = OneDriveClientExtensions.GetClientUsingOnlineIdAuthenticator(scopes);
await oneDriveClient.AuthenticateAsync();
var item = await oneDriveClient
.Drive
.Root
.ItemWithPath("Music/test.mp3")
.Request()
.GetAsync();
Debug.WriteLine(item.Audio.Duration);
////////
group = await MusicDataSource.GetGroupAsync((String)e.NavigationParameter);
this.DefaultViewModel["Group"] = group;
this.DefaultViewModel["Items"] = group.Items;
if (e.PageState == null)
{
this.itemListView.SelectedItem = null;
// When this is a new page, select the first item automatically unless logical page
// navigation is being used (see the logical page navigation #region below.)
if (!this.UsingLogicalPageNavigation() && this.itemsViewSource.View != null)
{
this.itemsViewSource.View.MoveCurrentToFirst();
}
}
else
{
// Restore the previously saved state associated with this page
if (e.PageState.ContainsKey("SelectedItem") && this.itemsViewSource.View != null)
{
var selectedItem = await MusicDataSource.GetItemAsync((String)e.PageState["SelectedItem"]);
this.itemsViewSource.View.MoveCurrentTo(selectedItem);
}
}
}
private async Task GetMusicDataAsync()
{
string responseString = "";
// string path = "http://www.shahmalav.com/api/tracks.json";
string path = "http://76.228.72.40/tracks.json";
dotest(path);
if (this._groups.Count != 0)
return;
Uri uri = new Uri(path);
HttpClient client = new HttpClient();
HttpResponseMessage response = await client.GetAsync(uri);
if (response.StatusCode == HttpStatusCode.OK)
{
responseString = await response.Content.ReadAsStringAsync();
}
/// test using local storage file
/*
StorageFile file = await StorageFile
StorageFile file = await StorageFile.GetFileFromApplicationUriAsync(dataUri);
string jsonText = await FileIO.ReadTextAsync(file);
*/
string jsonText = responseString;
JsonObject jsonObject = JsonObject.Parse(jsonText);
JsonArray jsonArray = jsonObject["Groups"].GetArray();
foreach (JsonValue groupValue in jsonArray)
{
JsonObject groupObject = groupValue.GetObject();
MusicDataGroup group = new MusicDataGroup(groupObject["UniqueId"].GetString(),
groupObject["Title"].GetString(),
groupObject["Subtitle"].GetString(),
groupObject["ImagePath"].GetString(),
groupObject["Description"].GetString());
foreach (JsonValue itemValue in groupObject["Items"].GetArray())
{
JsonObject itemObject = itemValue.GetObject();
group.Items.Add(new MusicDataItem(itemObject["UniqueId"].GetString(),
itemObject["Title"].GetString(),
itemObject["Subtitle"].GetString(),
itemObject["ImagePath"].GetString(),
itemObject["Description"].GetString(),
itemObject["Content"].GetString()));
}
this.Groups.Add(group);
}
}