public static IAsyncAction UpdateTile(TetheringState state)
{
var loader = new Windows.ApplicationModel.Resources.ResourceLoader();
var enabled = state == TetheringState.Enabled;
var logo = enabled ? logoOn : logoOff;
var deviceName = AppSettings.RemoteDevice;
var tileText = string.Format(loader.GetString(enabled ? "Tile_Tooltip_ToDisable" : "Tile_Tooltip_ToEnable"), deviceName);
var s = new SecondaryTile(SwitchTileId,
tileText,
!enabled ? EnableSwitchArgument : DisableSwitchArgument,
logo, TileSize.Square150x150);
// Specify a foreground text value.
return(AsyncInfo.Run(async(cancel) =>
{
try
{
await s.UpdateAsync();
}
catch (Exception)
{
// Ignore
}
}));
}
public static IAsyncOperation <TetheringState> SendBluetooth(TetheringState state)
{
return(AsyncInfo.Run(async(cancel) =>
{
if (!await EnableBluetooh())
{
return TetheringState.NoBluetooth;
}
if (AppSettings.RemoteDevice == null)
{
return TetheringState.Error;
}
var device = (await GetDevices()).SingleOrDefault(d => d.Name == AppSettings.RemoteDevice);
if (device == null)
{
return TetheringState.Error;
}
var result = await SendBluetooth(device.Device, state);
return result;
}));
}
public static IAsyncOperation <TetheringState> SendBluetooth(DeviceInformation dev, TetheringState state)
{
return(AsyncInfo.Run(async(cancel) =>
{
for (var tryout = 10; tryout > 0; tryout--)
{
try
{
var selector = RfcommDeviceService.GetDeviceSelector(RfcommServiceId.FromUuid(ServiceUuid));
var devices = await DeviceInformation.FindAllAsync(selector);
var service = devices.SingleOrDefault(d => d.Id.StartsWith(dev.Id, StringComparison.OrdinalIgnoreCase));
if (service == null)
{
throw new Exception("Tethermote Service not found");
}
using (var socket = await ConnectDevice(service))
{
using (var outstream = socket.OutputStream)
{
await outstream.WriteAsync(new byte[] { (byte)state }.AsBuffer());
}
using (var instream = socket.InputStream)
{
var buf = new Windows.Storage.Streams.Buffer(1);
var red = (await instream.ReadAsync(buf, 1, Windows.Storage.Streams.InputStreamOptions.Partial)).Length;
if (red == 1)
{
return (TetheringState)buf.ToArray()[0];
}
Debug.WriteLine("No data");
}
}
}
catch (Exception ex)
{
Debug.WriteLine(ex);
try
{
await PingDevice(dev.Id);
}
catch (Exception e2)
{
Debug.WriteLine(e2);
}
if (tryout != 1)
{
await Task.Delay(100);
}
}
}
return TetheringState.Error;
}));
}
