static async Task <BluetoothDevice> PlatformRequestDevice(RequestDeviceOptions options)
{
#if __IOS__
EventWaitHandle handle = new EventWaitHandle(false, EventResetMode.ManualReset);
if (_manager.State != CBCentralManagerState.PoweredOn)
{
throw new InvalidOperationException();
}
BluetoothDevice selectedDevice = null;
controller = UIAlertController.Create("Select a Bluetooth accessory", null, UIAlertControllerStyle.Alert);
controller.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, (a) => {
handle.Set();
System.Diagnostics.Debug.WriteLine(a == null ? "<null>" : a.ToString());
}));
CGRect rect = new CGRect(0, 0, 272, 272);
var tvc = new UITableViewController(UITableViewStyle.Plain)
{
PreferredContentSize = rect.Size
};
controller.PreferredContentSize = rect.Size;
var source = new InTheHand.Bluetooth.Platforms.Apple.BluetoothTableViewSource(options);
source.DeviceSelected += (s, e) =>
{
selectedDevice = e;
handle.Set();
tvc.DismissViewController(true, null);
};
tvc.TableView.Delegate = source;
tvc.TableView.DataSource = source;
tvc.TableView.UserInteractionEnabled = true;
tvc.TableView.AllowsSelection = true;
//controller.AddChildViewController(contentController);
controller.SetValueForKey(tvc, new Foundation.NSString("contentViewController"));
UIViewController currentController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (currentController.PresentedViewController != null)
{
currentController = currentController.PresentedViewController;
}
currentController.PresentViewController(controller, true, null);
return(await Task.Run(() =>
{
var s2 = source;
handle.WaitOne();
return selectedDevice;
}));
#endif
return(null);
}
static Task <BluetoothDevice> PlatformRequestDevice(RequestDeviceOptions options)
{
#if __IOS__
TaskCompletionSource <BluetoothDevice> tcs = new TaskCompletionSource <BluetoothDevice>();
if (_manager.State != CBCentralManagerState.PoweredOn)
{
throw new InvalidOperationException();
}
controller = UIAlertController.Create("Select a Bluetooth accessory", null, UIAlertControllerStyle.Alert);
controller.AddAction(UIAlertAction.Create("Cancel", UIAlertActionStyle.Cancel, (a) => {
tcs.SetResult(null);
StopScanning();
Debug.WriteLine(a == null ? "<null>" : a.ToString());
}));
CGRect rect = new CGRect(0, 0, 272, 272);
var tvc = new UITableViewController(UITableViewStyle.Plain)
{
PreferredContentSize = rect.Size
};
controller.PreferredContentSize = rect.Size;
var source = new InTheHand.Bluetooth.Platforms.Apple.BluetoothTableViewSource(options);
source.DeviceSelected += (s, e) =>
{
tvc.DismissViewController(true, null);
tcs.SetResult(e);
};
tvc.TableView.Delegate = source;
tvc.TableView.DataSource = source;
tvc.TableView.UserInteractionEnabled = true;
tvc.TableView.AllowsSelection = true;
controller.SetValueForKey(tvc, new Foundation.NSString("contentViewController"));
UIViewController currentController = UIApplication.SharedApplication.KeyWindow.RootViewController;
while (currentController.PresentedViewController != null)
{
currentController = currentController.PresentedViewController;
}
currentController.PresentViewController(controller, true, null);
return(tcs.Task);
#endif
return(null);
}
