Android intent resolution for Mifare Ultralight

MifareUltralight

void resolveIntent(Intent intent) {
    // 1) Parse the intent and get the action that triggered this intent
    String action = intent.getAction();
		// 2) Check if it was triggered by a tag discovered interruption.
		if (NfcAdapter.ACTION_TECH_DISCOVERED.equals(action)) {
			// 3) Get an instance of the TAG from the NfcAdapter
			Tag tagFromIntent = intent.getParcelableExtra(NfcAdapter.EXTRA_TAG);
			// 4) Get an instance of the Mifare ultralight card from this TAG
			// intent
			MifareUltralight mfc = MifareUltralight.get(tagFromIntent);

			// MifareClassic mfc = MifareClassic.get(tagFromIntent);
			byte[] data;

			try { // 5.1) Connect to card
				mfc.connect();
				byte[] payload = mfc.readPages(0);

				// getHexString(payload, payload.length)
				uid = new String(getHexString(payload, payload.length));
				Log.v(TAG, uid);
			} catch (IOException e) {
				Log.e(TAG,
						"IOException while writing MifareUltralight message...",
						e);
			} finally {
				if (mfc != null) {
					try {
						mfc.close();
						//invokeRestAPI();
					} catch (IOException e) {
						Log.e(TAG, "Error closing tag...", e);
					}
				}
			}
    }
}