public override async void OnDisappearing()
{
_isDisappearing = true;
_disappearingTokenSource.Cancel();
if (_connectionTokenSource != null && _connectionTask != null)
{
_connectionTokenSource.Cancel();
await _connectionTask;
}
await Device.DisconnectAsync();
}
public override async void OnDisappearing()
{
_isDisappearing = true;
_disappearingTokenSource.Cancel();
Device.DeviceStateChanged -= DeviceStateChangedHandler;
if (_connectionTokenSource != null)
{
_connectionTokenSource.Cancel();
await _connectionTask;
}
await Device.DisconnectAsync();
}
private async Task ConnectAsync()
{
while (!_connectionTokenSource.IsCancellationRequested)
{
if (Device.DeviceState != DeviceState.Connected)
{
var connectionResult = DeviceConnectionResult.Ok;
var dialogResult = await _dialogService.ShowProgressDialogAsync(
false,
async (progressDialog, token) =>
{
using (token.Register(() => _connectionTokenSource?.Cancel()))
{
connectionResult = await Device.ConnectAsync(
_reconnect,
OnDeviceDisconnected,
Enumerable.Empty <ChannelConfiguration>(),
true,
true,
_connectionTokenSource.Token);
}
},
Translate("ConnectingTo"),
Device.Name,
Translate("Cancel"),
_connectionTokenSource.Token);
if (dialogResult.IsCancelled)
{
await Device.DisconnectAsync();
if (!_isDisappearing)
{
await NavigationService.NavigateBackAsync();
}
return;
}
else
{
if (connectionResult == DeviceConnectionResult.Error)
{
await _dialogService.ShowMessageBoxAsync(
Translate("Warning"),
Translate("FailedToConnect"),
Translate("Ok"),
_disappearingTokenSource.Token);
if (!_isDisappearing)
{
await NavigationService.NavigateBackAsync();
}
return;
}
else
{
if (Device.DeviceType == DeviceType.BuWizz)
{
SetBuWizzOutputLevel(BuWizzOutputLevel);
}
else if (Device.DeviceType == DeviceType.BuWizz2)
{
SetBuWizzOutputLevel(BuWizz2OutputLevel);
}
}
}
}
else
{
await Task.Delay(50);
}
}
}