If you want your app to be started by your tag and want to receive the parsed NDEF message, your tag should contain the following: An NDEF record that you want to filter upon as the first record of the NDEF message (you can only create intent-filters for the very first NDEF record on an … Read more
I would ignore what the Google documentation says for reading at https://developer.android.com/guide/topics/connectivity/nfc/nfc and for read/write at https://developer.android.com/guide/topics/connectivity/nfc/advanced-nfc#read-write as this provides a very poor user experience for writing to Tags and leads to a lot of failed writes because of user behaviour. To get reliable writing to NFC with Android you should use the newer and … Read more