public MainPage(BluetoothDevice btDevice)
{
InitializeComponent();
if (btDevice != null)
{
MessageLabel.Text = $"Trying to connect to Bluetooth device {btDevice.Name}...";
_btDevice = btDevice;
_bluetoothDeviceHelper = DependencyService.Get <IBluetoothDeviceHelper>();
Connect2BluetoothDevice();
}
else
{
MessageLabel.Text = "No Bluetooth device found.";
}
Device.StartTimer(TimeSpan.FromMilliseconds(_timerDelay), OnTimerTick);
}