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Commit f440009c authored by Brad Lassey's avatar Brad Lassey
Browse files

Implement NFC Event Listener API 

Bug: 359208634
Test: New CTS tests
Flag: android.nfc.nfc_event_listener
Change-Id: I8d421e51a60421ee1b6b7ba93e0f6401b79137b7
parent 0ef98b7d

nfc/api/current.txt

+2 −0
Original line number Diff line number Diff line
@@ -232,6 +232,8 @@ package android.nfc.cardemulation { 
    method public final void notifyUnhandled();

    method public final android.os.IBinder onBind(android.content.Intent);

    method public abstract void onDeactivated(int);

    method @FlaggedApi("android.nfc.nfc_event_listener") public void onObserveModeStateChanged(boolean);

    method @FlaggedApi("android.nfc.nfc_event_listener") public void onPreferredServiceChanged(boolean);

    method public abstract byte[] processCommandApdu(byte[], android.os.Bundle);

    method @FlaggedApi("android.nfc.nfc_read_polling_loop") public void processPollingFrames(@NonNull java.util.List<android.nfc.cardemulation.PollingFrame>);

    method public final void sendResponseApdu(byte[]);

nfc/java/android/nfc/cardemulation/HostApduService.java

+43 −1
Original line number Diff line number Diff line
@@ -239,6 +239,16 @@ public abstract class HostApduService extends Service { 
     */

    public static final int MSG_POLLING_LOOP = 4;



    /**

     * @hide

     */

    public static final int MSG_OBSERVE_MODE_CHANGE = 5;



    /**

     * @hide

     */

    public static final int MSG_PREFERRED_SERVICE_CHANGED = 6;



    /**

     * @hide

     */
@@ -333,6 +343,16 @@ public abstract class HostApduService extends Service { 
                        processPollingFrames(pollingFrames);

                    }

                    break;

                case MSG_OBSERVE_MODE_CHANGE:

                    if (android.nfc.Flags.nfcEventListener()) {

                        onObserveModeStateChanged(msg.arg1 == 1);

                    }

                    break;

                case MSG_PREFERRED_SERVICE_CHANGED:

                    if (android.nfc.Flags.nfcEventListener()) {

                        onPreferredServiceChanged(msg.arg1 == 1);

                    }

                    break;

                default:

                super.handleMessage(msg);

            }
@@ -441,4 +461,26 @@ public abstract class HostApduService extends Service { 
     * @param reason Either {@link #DEACTIVATION_LINK_LOSS} or {@link #DEACTIVATION_DESELECTED}

     */

    public abstract void onDeactivated(int reason);





    /**

     * This method is called when this service is the preferred Nfc service and

     * Observe mode has been enabled or disabled.

     *

     * @param isEnabled true if observe mode has been enabled, false if it has been disabled

     */

    @FlaggedApi(android.nfc.Flags.FLAG_NFC_EVENT_LISTENER)

    public void onObserveModeStateChanged(boolean isEnabled) {



    }



    /**

     * This method is called when this service gains or loses preferred Nfc service status.

     *

     * @param isPreferred true is this service has become the preferred Nfc service,

     * false if it is no longer the preferred service

     */

    @FlaggedApi(android.nfc.Flags.FLAG_NFC_EVENT_LISTENER)

    public void onPreferredServiceChanged(boolean isPreferred) {

    }

}

nfc/java/android/nfc/flags.aconfig

+8 −0
Original line number Diff line number Diff line 
package: "android.nfc"

container: "system"



flag {

    name: "nfc_event_listener"

    is_exported: true

    namespace: "nfc"

    description: "Enable NFC Event listener APIs"

    bug: "356447790"

}



flag {

    name: "enable_nfc_mainline"

    is_exported: true