protected abstract void NewIntent(Cirrious.CrossCore.Core.MvxValueEventArgs <Intent> e);
protected override async void NewIntent(Cirrious.CrossCore.Core.MvxValueEventArgs <Intent> e)
{
WriteResult writeResult = new WriteResult();
writeResult.ReasonForFailure = FailureReasons.Unkown;
var id = GetIdFromTag(e.Value);
var intent = e.Value;
Tag tag = (Tag)intent.GetParcelableExtra(NfcAdapter.ExtraTag);
Ndef ndef = Ndef.Get(tag);
if (ndef != null)
{
ndef.Connect();
if (!ndef.IsWritable)
{
writeResult.ReasonForFailure = FailureReasons.TagReadOnly;
_taskCompletionSource.TrySetResult(writeResult);
return;
}
byte[] message = _messageToWrite.ToByteArray();
if (ndef.MaxSize < message.Length)
{
writeResult.ReasonForFailure = FailureReasons.TagTooSmall;
_taskCompletionSource.TrySetResult(writeResult);
return;
}
try
{
await ndef.WriteNdefMessageAsync(new Android.Nfc.NdefMessage(message));
writeResult.ReasonForFailure = FailureReasons.DidNotFail;
writeResult.NFCTag = new NFCTag()
{
Id = id
};
_taskCompletionSource.TrySetResult(writeResult);
return;
}
catch (TagLostException tagLost)
{
writeResult.ReasonForFailure = FailureReasons.TagLostDuringWrite;
_taskCompletionSource.TrySetResult(writeResult);
return;
}
catch (Exception err)
{
Mvx.Error("Error writing Tag: " + err.ToString());
writeResult.ReasonForFailure = FailureReasons.ErrorDuringWrite;
_taskCompletionSource.TrySetResult(writeResult);
return;
}
}
else
{
writeResult.ReasonForFailure = FailureReasons.UnableToFormatTag;
_taskCompletionSource.TrySetResult(writeResult);
return;
}
}
/// <summary>
/// This is fired when a NFC tag is scanned (and we are doing foreground scanning)
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void droidEvents_NewIntentCalled(object sender, Cirrious.CrossCore.Core.MvxValueEventArgs <Intent> e)
{
NewIntent(e);
}
public override void HandleViewDidDisappearCalled(object sender, Cirrious.CrossCore.Core.MvxValueEventArgs <bool> e)
{
Console.WriteLine(this.ViewController.GetType().Name + ": ViewDidDisappear");
}
