public async Task <bool> StartBroadcastingBle(Context context, Shoot ev)
{
//ask to turn on bluetooth:
BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.DefaultAdapter;
var allprefs = context.GetSharedPreferences(WhiteLabelConfig.BUILD_VARIANT.ToLower(), FileCreationMode.Private);
//var prefs = allprefs.Edit();
var useble = allprefs.GetBoolean("ble-" + ev.id, true);
//prefs.PutInt("ble_enable", currentversion);
//prefs.Apply();
if (!useble)
{
return(false);
}
if (mBluetoothAdapter.State == State.Off)
{
//ask to turn on:
TaskCompletionSource <bool> tcs = new TaskCompletionSource <bool>();
var dialog = new Android.Support.V7.App.AlertDialog.Builder(context);
dialog.SetTitle(Resource.String.enableble);
dialog.SetMessage(Resource.String.blemessage);
dialog.SetPositiveButton(Android.Resource.String.Yes, (o, e) =>
{
tcs.SetResult(true);
});
dialog.SetNegativeButton(Android.Resource.String.No, (o, e) =>
{
tcs.SetResult(false);
});
dialog.Show();
var result = await tcs.Task;
if (result)
{
allprefs.Edit().PutBoolean("ble-" + ev.id, true).Apply();
//turn on ble
mBluetoothAdapter.Enable();
//need to wait for ble event saying its started here:
await Task.WhenAny(Task.Delay(3000), Task.Factory.StartNew(() =>
{
while (mBluetoothAdapter.State != State.On)
{
Task.Yield();
}
}));
}
else
{
allprefs.Edit().PutBoolean("ble-" + ev.id, false).Apply();
return(false);
}
}
var compat = BeaconTransmitter.CheckTransmissionSupported(context);
if (compat == BeaconTransmitter.Supported)
{
try
{
byte[] urlBytes = UrlBeaconUrlCompressor.Compress("https://" + WhiteLabelConfig.BEACONHOST + "/b/");// 91071");//+ev.offlinecode);
//HACK: remove line!
//ev.offlinecode = "91071";
List <byte> bytes = new List <byte>(urlBytes);
bytes.AddRange(Encoding.ASCII.GetBytes(ev.offlinecode));
urlBytes = bytes.ToArray();
Identifier encodedUrlIdentifier = Identifier.FromBytes(urlBytes, 0, urlBytes.Length, false);
List <Identifier> identifiers = new List <Identifier>();
identifiers.Add(encodedUrlIdentifier);
beacon = new Beacon.Builder()
.SetIdentifiers(identifiers)
.SetServiceUuid(0xfeaa)
.SetManufacturer(0x0118)
.SetBeaconTypeCode(0x10)
.SetTxPower(-59)
.Build();
BeaconParser beaconParser = new BeaconParser().SetBeaconLayout(BeaconParser.EddystoneUrlLayout);
beaconTransmitter = new BeaconTransmitter(context, beaconParser);
beaconTransmitter.StartAdvertising(beacon, this);
}
catch (MalformedURLException)
{
Log.Debug("BOOTLEGGER", "That URL cannot be parsed");
}
return(true);
}
else
{
//not supported
return(false);
}
}
/// <summary>
/// 端末がBLEの発信に対応しているかどうかをチェックする処理
/// </summary>
/// <returns><c>true</c>, 発信可能, <c>false</c> 発信不可</returns>
public bool TransmissionSupported()
{
int checkResult = BeaconTransmitter.CheckTransmissionSupported(Android.App.Application.Context);
return(checkResult == BeaconTransmitter.Supported);
}
