private async void Picker_DeviceSelected(DialDevicePicker sender, DialDeviceSelectedEventArgs args)
{
//Casting must occur from the UI thread. This dispatches the casting calls to the UI thread.
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
try {
rootPage.NotifyUser(string.Format("Picker DeviceSelected event fired"), NotifyType.StatusMessage);
// Set the status to connecting
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Connecting);
rootPage.NotifyUser(string.Format("Resolving DialDevice'"), NotifyType.StatusMessage);
//Get the DialApp object for the specific application on the selected device
DialApp app = args.SelectedDialDevice.GetDialApp(this.dial_appname_textbox.Text);
if (app == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
//rootPage.NotifyUser(string.Format("'{0}' cannot find app with ID '{1}'", selectedDeviceInformation.Name, this.dial_appname_textbox.Text), NotifyType.StatusMessage);
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Error);
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
//Launch the application on the 1st screen device
DialAppLaunchResult result = await app.RequestLaunchAsync(this.dial_launch_args_textbox.Text);
//Verify to see whether the application was launched
if (result == DialAppLaunchResult.Launched)
{
rootPage.NotifyUser(string.Format("Launched '{0}'", app.AppName), NotifyType.StatusMessage);
activeDialDevice = args.SelectedDialDevice;
DeviceInformation selectedDeviceInformation = await DeviceInformation.CreateFromIdAsync(args.SelectedDialDevice.Id);
activeDeviceInformation = selectedDeviceInformation;
//This is where you will need to add you application specific communication between your 1st and 2nd screen applications
//...
//...
//...
picker.SetDisplayStatus(activeDialDevice, DialDeviceDisplayStatus.Connected);
picker.Hide();
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Error);
}
}
}
catch (Exception ex)
{
UnhandledExceptionPage.ShowUnhandledException(ex);
}
});
}
private async void Picker_DialDeviceSelected(DialDevicePicker sender, DialDeviceSelectedEventArgs args)
{
//Casting must occur from the UI thread. This dispatches the casting calls to the UI thread.
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
// The args.SelectedCastingDevice is proxied from the picker process. The picker process is
// dismissmed as soon as you break into the debugger. Creating a non-proxied version
// allows debugging since the proxied version stops working once the picker is dismissed.
DialDevice selectedDevice = await DialDevice.FromIdAsync(args.SelectedDialDevice.Id);
// Set the status to connecting
try { picker.SetDisplayStatus(selectedDevice, DialDeviceDisplayStatus.Connecting); } catch { }
// Get the DeviceInformation instance for the the selected device
DeviceInformation selectedDeviceInfo = await DeviceInformation.CreateFromIdAsync(selectedDevice.Id);
//Get the DialApp object for the specific application on the selected device
DialApp app = selectedDevice.GetDialApp(this.dial_appname_textbox.Text);
if (app == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("'{0}' cannot find app with ID '{1}'", selectedDeviceInfo.Name, this.dial_appname_textbox.Text), NotifyType.StatusMessage);
try { picker.SetDisplayStatus(selectedDevice, DialDeviceDisplayStatus.Error); } catch { }
}
else
{
//Get the current application state
DialAppStateDetails stateDetails = await app.GetAppStateAsync();
if (stateDetails.State == DialAppState.NetworkFailure)
{
// In case getting the application state failed because of a network failure
rootPage.NotifyUser("Network Failure while getting application state", NotifyType.ErrorMessage);
try { picker.SetDisplayStatus(selectedDevice, DialDeviceDisplayStatus.Error); } catch { }
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
//Launch the application on the 1st screen device
DialAppLaunchResult result = await app.RequestLaunchAsync(this.dial_launch_args_textbox.Text);
//Verify to see whether the application was launched
if (result == DialAppLaunchResult.Launched)
{
rootPage.NotifyUser(string.Format("Launched '{0}'", app.AppName), NotifyType.StatusMessage);
//This is where you will need to add you application specific communication between your 1st and 2nd screen applications
//...
try { picker.SetDisplayStatus(selectedDevice, DialDeviceDisplayStatus.Connected); } catch { }
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
try { picker.SetDisplayStatus(selectedDevice, DialDeviceDisplayStatus.Error); } catch { }
}
}
}
});
}
private async void Picker_DialDeviceSelected(DialDevicePicker sender, DialDeviceSelectedEventArgs args)
{
// casting 必須在 UI Thread 下執行
await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, async() =>
{
try
{
// 設定遠端設備現在要準備連綫
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Connecting);
// 取得遠端設備中支援指定 app name 的 App
DialApp app = args.SelectedDialDevice.GetDialApp(txtAppName.Text);
if (app == null)
{
// 嘗試建立 DIAL device，如果失敗代表那個設備不支援 DIAL
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Error);
}
else
{
// 請求送出參數到遠端設備的 App
DialAppLaunchResult result = await app.RequestLaunchAsync(txtArgument.Text);
if (result == DialAppLaunchResult.Launched)
{
activeDialDevice = args.SelectedDialDevice;
DeviceInformation selectedDeviceInformation = await DeviceInformation.CreateFromIdAsync(args.SelectedDialDevice.Id);
activeDeviceInformation = selectedDeviceInformation;
picker.SetDisplayStatus(activeDialDevice, DialDeviceDisplayStatus.Connected);
picker.Hide();
tblMsg.Text += "device connected";
}
else
{
picker.SetDisplayStatus(args.SelectedDialDevice, DialDeviceDisplayStatus.Error);
tblMsg.Text += "device error";
}
}
}
catch (Exception ex)
{
tblMsg.Text += ex.Message;
}
});
}
private async Task SendDialParameter(DevicePicker sender, DeviceSelectedEventArgs args)
{
try
{
// 設定遠端設備現在要準備連綫
sender.SetDisplayStatus(args.SelectedDevice, "connecting", DevicePickerDisplayStatusOptions.ShowProgress);
// 取得遠端設備中支援指定 app name 的 App
DialDevice dialDevice = await DialDevice.FromIdAsync(args.SelectedDevice.Id);
DialApp app = dialDevice.GetDialApp("castingsample");
if (app == null)
{
// 嘗試建立 DIAL device，如果失敗代表那個設備不支援 DIAL
sender.SetDisplayStatus(args.SelectedDevice, "The app is not exist in the device.", DevicePickerDisplayStatusOptions.ShowRetryButton);
}
else
{
// 請求送出參數到遠端設備的 App
DialAppLaunchResult result = await app.RequestLaunchAsync("Test");
if (result == DialAppLaunchResult.Launched)
{
activeDevice = args.SelectedDevice;
sender.SetDisplayStatus(args.SelectedDevice, "connected", DevicePickerDisplayStatusOptions.ShowDisconnectButton);
sender.Hide();
}
else
{
sender.SetDisplayStatus(args.SelectedDevice, "Device Error", DevicePickerDisplayStatusOptions.ShowRetryButton);
}
}
}
catch (Exception ex)
{
sender.SetDisplayStatus(args.SelectedDevice, ex.Message, DevicePickerDisplayStatusOptions.None);
}
}
private async Task <bool> TryLaunchDialAppAsync(DeviceInformation device)
{
bool dialAppLaunchSucceeded = false;
if (device.Id.IndexOf("dial", StringComparison.OrdinalIgnoreCase) > -1)
{
//Update the launch arguments to include the Position
this.dial_launch_args_textbox.Text = string.Format("v={0}&t={1}&pairingCode=E4A8136D-BCD3-45F4-8E49-AE01E9A46B5F", video.Id, player.Position.Ticks);
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("Checking to see if device {0} supports DIAL", device.Name), NotifyType.StatusMessage);
//BUG: Takes too long. Workaround, just try to create the DialDevice
//if (await DialDevice.DeviceInfoSupportsDialAsync(device))
//{
DialDevice dialDevice = null;
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("Attempting to resolve DIAL device for '{0}'", device.Name), NotifyType.StatusMessage);
try { dialDevice = await DialDevice.FromIdAsync(device.Id); } catch { }
if (dialDevice == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("'{0}' does not support DIAL", device.Name), NotifyType.StatusMessage);
}
else
{
//Get the DialApp object for the specific application on the selected device
DialApp app = dialDevice.GetDialApp(this.dial_appname_textbox.Text);
if (app == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("'{0}' cannot find app with ID '{1}'", device.Name, this.dial_appname_textbox.Text), NotifyType.StatusMessage);
}
else
{
//Get the current application state
DialAppStateDetails stateDetails = await app.GetAppStateAsync();
if (stateDetails.State == DialAppState.NetworkFailure)
{
// In case getting the application state failed because of a network failure
rootPage.NotifyUser("Network Failure while getting application state", NotifyType.ErrorMessage);
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
//Launch the application on the 1st screen device
DialAppLaunchResult result = await app.RequestLaunchAsync(this.dial_launch_args_textbox.Text);
//Verify to see whether the application was launched
if (result == DialAppLaunchResult.Launched)
{
//Remember the device to which casting succeeded
activeDevice = device;
//DIAL is sessionsless but the DIAL app allows us to get the state and "disconnect".
//Disconnect in the case of DIAL is equivalenet to stopping the app.
activeCastConnectionHandler = app;
rootPage.NotifyUser(string.Format("Launched '{0}'", app.AppName), NotifyType.StatusMessage);
//This is where you will need to add you application specific communication between your 1st and 2nd screen applications
//...
dialAppLaunchSucceeded = true;
}
}
}
}
//}
//else
//{
// rootPage.NotifyUser(string.Format("'{0}' does not support DIAL", device.Name), NotifyType.StatusMessage);
//}
}
else
{
rootPage.NotifyUser(string.Format("'{0}' does not support DIAL", device.Name), NotifyType.StatusMessage);
}
return(dialAppLaunchSucceeded);
}
private async Task <bool> TryLaunchDialAppAsync(DeviceInformation device)
{
bool dialAppLaunchSucceeded = false;
//Update the launch arguments to include the Position
this.dial_launch_args_textbox.Text = string.Format("v={0}&t={1}&pairingCode=E4A8136D-BCD3-45F4-8E49-AE01E9A46B5F", video.Id, player.Position.Ticks);
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("Checking to see if device {0} supports DIAL", device.Name), NotifyType.StatusMessage);
DialDevice dialDevice = null;
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("Attempting to resolve DIAL device for '{0}'", device.Name), NotifyType.StatusMessage);
string[] newIds = (string[])device.Properties["{0BBA1EDE-7566-4F47-90EC-25FC567CED2A} 2"];
if (newIds.Length > 0)
{
string deviceId = newIds[0];
try { dialDevice = await DialDevice.FromIdAsync(deviceId); } catch { }
}
if (dialDevice == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("'{0}' does not support DIAL", device.Name), NotifyType.StatusMessage);
}
else
{
//Get the DialApp object for the specific application on the selected device
DialApp app = dialDevice.GetDialApp(this.dial_appname_textbox.Text);
if (app == null)
{
//Try to create a DIAL device. If it doesn't succeed, the selected device does not support DIAL.
rootPage.NotifyUser(string.Format("'{0}' cannot find app with ID '{1}'", device.Name, this.dial_appname_textbox.Text), NotifyType.StatusMessage);
}
else
{
rootPage.NotifyUser(string.Format("Attempting to launch '{0}'", app.AppName), NotifyType.StatusMessage);
//Launch the application on the 1st screen device
DialAppLaunchResult result = await app.RequestLaunchAsync(this.dial_launch_args_textbox.Text);
//Verify to see whether the application was launched
if (result == DialAppLaunchResult.Launched)
{
//Remember the device to which casting succeeded
activeDevice = device;
//DIAL is sessionsless but the DIAL app allows us to get the state and "disconnect".
//Disconnect in the case of DIAL is equivalenet to stopping the app.
activeCastConnectionHandler = app;
rootPage.NotifyUser(string.Format("Launched '{0}'", app.AppName), NotifyType.StatusMessage);
//This is where you will need to add you application specific communication between your 1st and 2nd screen applications
//...
dialAppLaunchSucceeded = true;
}
}
}
return(dialAppLaunchSucceeded);
}
