public ItemDetailPage()
{
InitializeComponent();
var item = new BLEDev(null);
viewModel = new ItemDetailViewModel(item);
BindingContext = viewModel;
}
public NewItemPage()
{
InitializeComponent();
Item = new BLEDev
{
Name = "Item name",
Description = "This is an item description."
};
BindingContext = this;
}
async private Task updateDev(BLEDev dev)
{
var old = Items.FirstOrDefault((x) => x.Id == dev.Id);
if (old == null)
{
switch (Device.RuntimePlatform)
{
case Device.iOS:
break;
default:
if (dev.iBeacon.valid)
{
if (dev.iBeacon.uuid == "{494E4743-4849-5053-4F46-46494345424A}")
{
await View.DisplayAlert("INGCHIPS", "Welcome to INGChips' Beijing Office!",
"Got It");
}
}
break;
}
Items.Add(dev);
}
else
{
if (dev.BLEAdvSimpleInfos.Count < 1)
{
return;
}
var i = Items.IndexOf(old);
Items[i] = dev;
//Items.RemoveAt(i);
// Items.Insert(i, dev);
}
}
public async Task ExecuteScan()
{
if (IsBusy)
{
return;
}
IsBusy = true;
try
{
Items.Clear();
var adapter = CrossBluetoothLE.Current.Adapter;
adapter.ScanTimeout = 0x7fffffff;
switch (Device.RuntimePlatform)
{
case Device.UWP:
adapter.ScanMode = Plugin.BLE.Abstractions.Contracts.ScanMode.Passive;
break;
}
adapter.DeviceAdvertised += (s, a) =>
{
var Item = new BLEDev(a.Device);
MessagingCenter.Send(this, "ScanResult", Item);
};
await adapter.StartScanningForDevicesAsync();
}
catch (Exception ex)
{
Debug.WriteLine(ex);
}
finally
{
IsBusy = false;
}
}
public ItemDetailViewModel(BLEDev item = null)
{
Item = item;
Title = item?.Name;
}
