推送通知在windows phone 8中不起作用
本文关键字：不起作用 phone windows 通知 | 更新日期: 2023-09-27 18:02:22
通道uri没有在windows phone 8模拟器中创建，下面是代码:
`private void OnChannelUriChanged(Uri value)
{
Dispatcher.BeginInvoke(() =>
{
txtURI.Text = value.ToString();
});
Debug.WriteLine("URI: " + value.ToString());
}
private static void BindToShell(HttpNotificationChannel httpChannel)
{
try
{
httpChannel.BindToShellToast();
}
catch (Exception)
{
}
}
void httpChannel_ShellToastNotificationReceived(object sender, NotificationEventArgs e)
{
Dispatcher.BeginInvoke(() =>
{
txtURI.Text = "Toast Notification Message Received: ";
if (e.Collection != null)
{
Dictionary<string, string> collection = (Dictionary<string, string>)e.Collection;
System.Text.StringBuilder messageBuilder = new System.Text.StringBuilder();
foreach (string elementName in collection.Keys)
{
txtURI.Text += string.Format("Key: {0}, Value:{1}'r'n", elementName, collection[elementName]);
}
}
});
}
void httpChannel_ChannelUriUpdated(object sender, NotificationChannelUriEventArgs e)
{
//You get the new Uri (or maybe it's updated)
OnChannelUriChanged(e.ChannelUri);
}
private void SetupChannel()
{
HttpNotificationChannel httpChannel = null;
string channelName = "DemoChannel";
//if channel exists, retrieve existing channel
httpChannel = HttpNotificationChannel.Find(channelName);
if (httpChannel != null)
{
//If we cannot get Channel URI, then close the channel and reopen it
if (httpChannel.ChannelUri == null)
{
httpChannel.UnbindToShellToast();
httpChannel.Close();
SetupChannel();
return;
}
else
{
OnChannelUriChanged(httpChannel.ChannelUri);
}
BindToShell(httpChannel);
}
else
{
httpChannel = new HttpNotificationChannel(channelName);
httpChannel.ChannelUriUpdated += new EventHandler<NotificationChannelUriEventArgs>(httpChannel_ChannelUriUpdated);
httpChannel.ShellToastNotificationReceived += new EventHandler<NotificationEventArgs>(httpChannel_ShellToastNotificationReceived);
httpChannel.Open();
BindToShell(httpChannel);
}
}
private void btnCreateChannel_Click(object sender, RoutedEventArgs e)
{
SetupChannel();
}`
谁能提出解决这个问题的办法由于
试试这个:
public MainPage()
{
InitializeComponent();
/// Holds the push channel that is created or found.
HttpNotificationChannel pushChannel;
// The name of our push channel.
string channelName = "ToastSampleChannel";
// Try to find the push channel.
pushChannel = HttpNotificationChannel.Find(channelName);
// If the channel was not found, then create a new connection to the push service.
if (pushChannel == null)
{
pushChannel = new HttpNotificationChannel(channelName);
// Register for all the events before attempting to open the channel.
pushChannel.ChannelUriUpdated += new EventHandler<NotificationChannelUriEventArgs>(PushChannel_ChannelUriUpdated);
pushChannel.ErrorOccurred += new EventHandler<NotificationChannelErrorEventArgs>(PushChannel_ErrorOccurred);
// Register for this notification only if you need to receive the notifications while your application is running.
pushChannel.ShellToastNotificationReceived += new EventHandler<NotificationEventArgs>(PushChannel_ShellToastNotificationReceived);
pushChannel.Open();
// Bind this new channel for toast events.
pushChannel.BindToShellToast();
}
else
{
// The channel was already open, so just register for all the events.
pushChannel.ChannelUriUpdated += new EventHandler<NotificationChannelUriEventArgs>(PushChannel_ChannelUriUpdated);
pushChannel.ErrorOccurred += new EventHandler<NotificationChannelErrorEventArgs>(PushChannel_ErrorOccurred);
// Register for this notification only if you need to receive the notifications while your application is running.
pushChannel.ShellToastNotificationReceived += new EventHandler<NotificationEventArgs>(PushChannel_ShellToastNotificationReceived);
// Display the URI for testing purposes. Normally, the URI would be passed back to your web service at this point.
System.Diagnostics.Debug.WriteLine(pushChannel.ChannelUri.ToString());
MessageBox.Show(String.Format("Channel Uri is {0}",
pushChannel.ChannelUri.ToString()));
}
}
void PushChannel_ChannelUriUpdated(object sender, NotificationChannelUriEventArgs e)
{
Dispatcher.BeginInvoke(() =>
{
// Display the new URI for testing purposes. Normally, the URI would be passed back to your web service at this point.
System.Diagnostics.Debug.WriteLine(e.ChannelUri.ToString());
MessageBox.Show(String.Format("Channel Uri is {0}",
e.ChannelUri.ToString()));
});
}
void PushChannel_ErrorOccurred(object sender, NotificationChannelErrorEventArgs e)
{
// Error handling logic for your particular application would be here.
Dispatcher.BeginInvoke(() =>
MessageBox.Show(String.Format("A push notification {0} error occurred. {1} ({2}) {3}",
e.ErrorType, e.Message, e.ErrorCode, e.ErrorAdditionalData))
);
}
void PushChannel_ShellToastNotificationReceived(object sender, NotificationEventArgs e)
{
StringBuilder message = new StringBuilder();
string relativeUri = string.Empty;
message.AppendFormat("Received Toast {0}:'n", DateTime.Now.ToShortTimeString());
// Parse out the information that was part of the message.
foreach (string key in e.Collection.Keys)
{
message.AppendFormat("{0}: {1}'n", key, e.Collection[key]);
if (string.Compare(
key,
"wp:Param",
System.Globalization.CultureInfo.InvariantCulture,
System.Globalization.CompareOptions.IgnoreCase) == 0)
{
relativeUri = e.Collection[key];
}
}
// Display a dialog of all the fields in the toast.
Dispatcher.BeginInvoke(() => MessageBox.Show(message.ToString()));
}
}