Add intent actions for new firmware events.

     */

    public static final String EXTRA_AID = "com.android.nfc_extras.extra.AID";

    /**

     * Broadcast action: A filtered APDU was received.

     *

     * <p>This happens when an APDU of interest was matched by the Nfc adapter,

     * for instance as the result of matching an externally-configured filter.

     *

     * <p>The filter configuration mechanism is not currently defined.

     *

     * <p>Always contains the extra field {@link EXTRA_APDU_BYTES}.

     *

     * @hide

     */

    public static final String ACTION_APDU_RECEIVED =

        "com.android.nfc_extras.action.APDU_RECEIVED";

    /**

     * Mandatory byte array extra field in {@link #ACTION_APDU_RECEIVED}.

     *

     * <p>Contains the bytes of the received APDU.

     *

     * @hide

     */

    public static final String EXTRA_APDU_BYTES =

        "com.android.nfc_extras.extra.APDU_BYTES";

    /**

     * Broadcast action: An EMV card removal event was detected.

     *

     * @hide

     */

    public static final String ACTION_EMV_CARD_REMOVAL =

        "com.android.nfc_extras.action.EMV_CARD_REMOVAL";

    /**

     * Broadcast action: An adapter implementing MIFARE Classic via card

     * emulation detected that a block has been accessed.

     *

     * <p>This may only be issued for the first block that the reader

     * authenticates to.

     *

     * <p>May contain the extra field {@link #EXTRA_MIFARE_BLOCK}.

     *

     * @hide

     */

    public static final String ACTION_MIFARE_ACCESS_DETECTED =

        "com.android.nfc_extras.action.MIFARE_ACCESS_DETECTED";

    /**

     * Optional integer extra field in {@link #ACTION_MIFARE_ACCESS_DETECTED}.

     *

     * <p>Provides the block number being accessed.  If not set, the block

     * number being accessed is unknown.

     *

     * @hide

     */

    public static final String EXTRA_MIFARE_BLOCK =

        "com.android.nfc_extras.extra.MIFARE_BLOCK";

    NfcExecutionEnvironment(NfcAdapterExtras extras) {

        mExtras = extras;

    }