async void DeviceNameLabel_Tapped(object sender, System.EventArgs e)
{
await DeviceCommPage.UpdateCoinTable(this);
}
protected override async void OnAppearing()
{
base.OnAppearing();
Device.StartTimer(TimeSpan.FromSeconds(0.3), () =>
{
canvasView.InvalidateSurface();
lock (drawStageLock)
{
if (drawStage < 0)
{
return(false);
}
drawStage++;
if (drawStage > MAX_DRAW_STAGE)
{
drawStage = 0;
}
}
return(true); // True = Repeat again, False = Stop the timer
});
if (Device.RuntimePlatform == Device.Android)
{
var status = await CrossPermissions.Current.CheckPermissionStatusAsync(Permission.Location);
if (status != PermissionStatus.Granted)
{
if (await CrossPermissions.Current.ShouldShowRequestPermissionRationaleAsync(Permission.Location))
{
await DisplayAlert("Need Location Permission", "Soter Wallet needs Location Permission in order to search for the device.", "OK");
}
var results = await CrossPermissions.Current.RequestPermissionsAsync(Permission.Location);
//Best practice to always check that the key exists
if (results.ContainsKey(Permission.Location))
{
status = results[Permission.Location];
}
}
if (status != PermissionStatus.Granted)
{
await DisplayAlert("Location Permission Denied", "Can not continue, try again.", "OK");
}
}
ISoterDevice device = null;
await SoterDeviceFactoryBle.Instance.StartDeviceSearchAsync();
Log.Information("Wait for search results");
await Task.Delay(500);
Log.Information("Wait finished");
await SoterDeviceFactoryBle.Instance.StopDeviceSearchAsync();
Log.Information("Search stopped");
if (SoterDeviceFactoryBle.Instance.Devices.Count == 0)
{
await DisplayAlert("Error", "Can't find any Soter Wallet device!", "OK");
}
else if (SoterDeviceFactoryBle.Instance.Devices.Count == 1)
{
device = SoterDeviceFactoryBle.Instance.Devices.First();
}
else
{
var action = await DisplayActionSheet("Select the device", "Cancel", null, SoterDeviceFactoryBle.Instance.Devices.Select(d => d.Name).ToArray());
device = SoterDeviceFactoryBle.Instance.Devices.FirstOrDefault(d => d.Name.Equals(action));
}
if (device != null)
{
try
{
await SoterDeviceFactoryBle.Instance.ConnectByIdAsync(device.Id);
await device.InitializeAsync();
lock (drawStageLock)
{
drawStage = -1;
}
if (device.Features.Initialized)
{
await DeviceCommPage.UpdateCoinTable(this);
Application.Current.MainPage = new NavigationPage(new MainTabbedPage());
return;
}
else
{
Application.Current.MainPage = new NavigationPage(new DeviceLabelPage());
return;
}
}
catch (Exception ex)
{
Log.Error(ex.ToString());
await DisplayAlert("Error", "Can't connect to the Soter Wallet!", "OK");
}
}
Application.Current.MainPage = new StartPairingPage();
}
