private SmartPoster Parse(NdefRecord[] ndefRecord)
{
var records = NdefMessageParser.GetInstance().GetRecords(ndefRecord);
var uri = records.Where(o => o is UriRecord);
var title = records.FirstOrDefault(o => o is TextRecord);
return(new SmartPoster(uri, title));
}
protected override void OnNewIntent(Intent intent)
{
if (intent.Action == NfcAdapter.ActionTagDiscovered)
{
List <string> tags = new List <string>();
var id = intent.GetByteArrayExtra(NfcAdapter.ExtraId);
if (id != null)
{
string data = "";
for (int ii = 0; ii < id.Length; ii++)
{
if (!string.IsNullOrEmpty(data))
{
data += "-";
}
data += id[ii].ToString("X2");
}
tags.Add(data);
}
else
{
tags.Add(null);
}
var tag = intent.GetParcelableExtra(NfcAdapter.ExtraTag) as Tag;
if (tag != null)
{
var rawTagMessages = intent.GetParcelableArrayExtra(NfcAdapter.ExtraTag);
// First get all the NdefMessage
var rawMessages = intent.GetParcelableArrayExtra(NfcAdapter.ExtraNdefMessages);
if (rawMessages != null)
{
// https://medium.com/@ssaurel/create-a-nfc-reader-application-for-android-74cf24f38a6f
foreach (var message in rawMessages)
{
foreach (var r in NdefMessageParser.GetInstance().Parse((NdefMessage)message))
{
System.Diagnostics.Debug.WriteLine("TAG: " + r.Str());
tags.Add(r.Str());
}
}
}
}
MessagingCenter.Send <App, List <string> >((App)Xamarin.Forms.Application.Current, "Tag", tags);
}
else if (intent.Action == NfcAdapter.ActionNdefDiscovered)
{
System.Diagnostics.Debug.WriteLine("ActionNdefDiscovered");
}
}
