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Commit d34bcf60 authored by Charles Chen's avatar Charles Chen Committed by Automerger Merge Worker
Browse files

Merge "API feedback: remove callback for VisualQueryDetectionService" into udc-dev am: 8b05152a 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21611501



Change-Id: I0c2fe78eaa3fa5fb049fd8897925792cd12493fa
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents d1d2227a 8b05152a

core/api/system-current.txt

+6 −10
Original line number Diff line number Diff line
@@ -13263,22 +13263,18 @@ package android.service.voice { 














  public abstract class VisualQueryDetectionService extends android.app.Service implements android.service.voice.SandboxedDetectionServiceBase {















    ctor public VisualQueryDetectionService();













    method public final void finishQuery() throws java.lang.IllegalStateException;













    method public final void gainedAttention();













    method public final void lostAttention();















    method @Nullable public android.os.IBinder onBind(@NonNull android.content.Intent);













    method public void onStartDetection(@NonNull android.service.voice.VisualQueryDetectionService.Callback);













    method public void onStartDetection();















    method public void onStopDetection();















    method public void onUpdateState(@Nullable android.os.PersistableBundle, @Nullable android.os.SharedMemory, long, @Nullable java.util.function.IntConsumer);













    method public final void rejectQuery() throws java.lang.IllegalStateException;













    method public final void streamQuery(@NonNull String) throws java.lang.IllegalStateException;















    field public static final String SERVICE_INTERFACE = "android.service.voice.VisualQueryDetectionService";















  }



























  public static final class VisualQueryDetectionService.Callback {













    ctor public VisualQueryDetectionService.Callback();













    method public void onAttentionGained();













    method public void onAttentionLost();













    method public void onQueryDetected(@NonNull String) throws java.lang.IllegalStateException;













    method public void onQueryFinished() throws java.lang.IllegalStateException;













    method public void onQueryRejected() throws java.lang.IllegalStateException;













  }



























  public final class VisualQueryDetectionServiceFailure extends android.service.voice.DetectorFailure {















    method public int getErrorCode();















    method public int getSuggestedAction();

























core/java/android/service/voice/VisualQueryDetectionService.java



+101
−113




























Original line number
Diff line number
Diff line








@@ -49,7 +49,7 @@ import java.util.function.IntConsumer;













 * {@link VoiceInteractionService#createVisualQueryDetector(PersistableBundle, SharedMemory,















 * Executor, VisualQueryDetector.Callback)} is called, the system will bind the application's















 * {@link VisualQueryDetectionService}. When requested from {@link VoiceInteractionService}, the













 * system calls into the {@link VisualQueryDetectionService#onStartDetection(Callback)} to enable













 * system calls into the {@link VisualQueryDetectionService#onStartDetection()} to enable















 * detection. This method MUST be implemented to support visual query detection service.















 *















 * Note: Methods in this class may be called concurrently.










@@ -78,6 +78,8 @@ public abstract class VisualQueryDetectionService extends Service













    /** @hide */















    public static final String KEY_INITIALIZATION_STATUS = "initialization_status";





























    private IDetectorSessionVisualQueryDetectionCallback mRemoteCallback = null;













































    private final ISandboxedDetectionService mInterface = new ISandboxedDetectionService.Stub() {

























@@ -85,7 +87,8 @@ public abstract class VisualQueryDetectionService extends Service













        public void detectWithVisualSignals(















                IDetectorSessionVisualQueryDetectionCallback callback) {















            Log.v(TAG, "#detectWithVisualSignals");













            VisualQueryDetectionService.this.onStartDetection(new Callback(callback));













            mRemoteCallback = callback;













            VisualQueryDetectionService.this.onStartDetection();















        }































        @Override










@@ -178,69 +181,55 @@ public abstract class VisualQueryDetectionService extends Service





























    /**















     * This is called after the service is set up and the client should open the camera and the













     * microphone to start recognition.













     *













     * Called when the {@link VoiceInteractionService} requests that this service













     * {@link HotwordDetector#startRecognition()} start recognition on audio coming directly













     * microphone to start recognition. When the {@link VoiceInteractionService} requests that this













     * service {@link HotwordDetector#startRecognition()} start recognition on audio coming directly















     * from the device microphone.













     *













     * @param callback The callback to use for responding to the detection request.













     *













     */













    public void onStartDetection(@NonNull Callback callback) {













        throw new UnsupportedOperationException();













    }



























    /**













     * Called when the {@link VoiceInteractionService}













     * {@link HotwordDetector#stopRecognition()} requests that recognition be stopped.













     */













    public void onStopDetection() {













    }



























    /**













     * Callback for sending out signals and returning query results.













     *













     * On successful user attention, developers should call {@link Callback#onAttentionGained()}













     * to enable the streaming of the query.















     * <p>













     * On user attention is lost, developers should call {@link Callback#onAttentionLost()} to













     * disable the streaming of the query.













     * Signal senders that return attention and query results are also expected to be called in this













     * method according to the detection outcomes.













     * <p>













     * On successful user attention, developers should call













     * {@link VisualQueryDetectionService#gainedAttention()} to enable the streaming of the query.













     * <p>













     * On user attention is lost, developers should call













     * {@link VisualQueryDetectionService#lostAttention()} to disable the streaming of the query.















     * <p>















     * On query is detected and ready to stream, developers should call













     * {@link Callback#onQueryDetected(String)} to return detected query to the













     * {@link VisualQueryDetectionService#streamQuery(String)} to return detected query to the















     * {@link VisualQueryDetector}.















     * <p>













     * On streamed query should be rejected, clients should call {@link Callback#onQueryRejected()}













     * to abandon query streamed to the {@link VisualQueryDetector}.













     * On streamed query should be rejected, clients should call













     * {@link VisualQueryDetectionService#rejectQuery()} to abandon query streamed to the













     * {@link VisualQueryDetector}.















     * <p>













     * On streamed query is finished, clients should call {@link Callback#onQueryFinished()} to













     * complete query streamed to {@link VisualQueryDetector}.













     * On streamed query is finished, clients should call













     * {@link VisualQueryDetectionService#finishQuery()} to complete query streamed to













     * {@link VisualQueryDetector}.















     * <p>













     * Before a call for {@link Callback#onQueryDetected(String)} is triggered,













     * {@link Callback#onAttentionGained()} MUST be called to enable the streaming of query. A query













     * streaming is also expected to be finished by calling either













     * {@link Callback#onQueryFinished()} or {@link Callback#onQueryRejected()} before a new query













     * should start streaming. When the service enters the state where query streaming should be













     * disabled, {@link Callback#onAttentionLost()} MUST be called to block unnecessary streaming.













     * Before a call for {@link VisualQueryDetectionService#streamQuery(String)} is triggered,













     * {@link VisualQueryDetectionService#gainedAttention()} MUST be called to enable the streaming













     * of query. A query streaming is also expected to be finished by calling either













     * {@link VisualQueryDetectionService#finishQuery()} or













     * {@link VisualQueryDetectionService#rejectQuery()} before a new query should start streaming.













     * When the service enters the state where query streaming should be disabled,













     * {@link VisualQueryDetectionService#lostAttention()} MUST be called to block unnecessary













     * streaming.















     */













    public static final class Callback {



























        // TODO: consider making the constructor a test api for testing purpose













        public Callback() {













            mRemoteCallback = null;













    public void onStartDetection() {













        throw new UnsupportedOperationException();















    }





























        private final IDetectorSessionVisualQueryDetectionCallback mRemoteCallback;



























        private Callback(IDetectorSessionVisualQueryDetectionCallback remoteCallback) {













            mRemoteCallback = remoteCallback;













    /**













     * Called when the {@link VoiceInteractionService}













     * {@link HotwordDetector#stopRecognition()} requests that recognition be stopped.













     */













    public void onStopDetection() {















    }































    /**













         * Informs attention listener that the user attention is gained.













     * Informs the system that the user attention is gained so queries can be streamed.















     */













        public void onAttentionGained() {













    public final void gainedAttention() {















        try {















            mRemoteCallback.onAttentionGained();















        } catch (RemoteException e) {









@@ -249,9 +238,9 @@ public abstract class VisualQueryDetectionService extends Service













    }































    /**













         * Informs attention listener that the user attention is lost.













     * Informs the system that the user attention is lost to stop streaming.















     */













        public void onAttentionLost() {













    public final void lostAttention() {















        try {















            mRemoteCallback.onAttentionLost();















        } catch (RemoteException e) {









@@ -263,54 +252,53 @@ public abstract class VisualQueryDetectionService extends Service













     * Informs the {@link VisualQueryDetector} with the text content being captured about the















     * query from the audio source. {@code partialQuery} is provided to the















     * {@link VisualQueryDetector}. This method is expected to be only triggered if













         * {@link Callback#onAttentionGained()} is called to put the service into the attention













         * gained state.













     * {@link VisualQueryDetectionService#gainedAttention()} is called to put the service into the













     * attention gained state.















     *















     * @param partialQuery Partially detected query in string.















     * @throws IllegalStateException if method called without attention gained.















     */













        public void onQueryDetected(@NonNull String partialQuery) throws IllegalStateException {













    public final void streamQuery(@NonNull String partialQuery) throws IllegalStateException {















        Objects.requireNonNull(partialQuery);















        try {















            mRemoteCallback.onQueryDetected(partialQuery);















        } catch (RemoteException e) {













                throw new IllegalStateException("#onQueryDetected must be only be triggered after "













                        + "calling #onAttentionGained to be in the attention gained state.");













            throw new IllegalStateException("#streamQuery must be only be triggered after "













                    + "calling #gainedAttention to be in the attention gained state.");















        }















    }































    /**















     * Informs the {@link VisualQueryDetector} to abandon the streamed partial query that has















     * been sent to {@link VisualQueryDetector}.This method is expected to be only triggered if













         * {@link Callback#onQueryDetected()} is called to put the service into the query streaming













         * state.













     * {@link VisualQueryDetectionService#streamQuery(String)} is called to put the service into













     * the query streaming state.















     *















     * @throws IllegalStateException if method called without query streamed.















     */













        public void onQueryRejected() throws IllegalStateException {













    public final void rejectQuery() throws IllegalStateException {















        try {















            mRemoteCallback.onQueryRejected();















        } catch (RemoteException e) {













                throw new IllegalStateException("#onQueryRejected must be only be triggered after "













                        + "calling #onQueryDetected to be in the query streaming state.");













            throw new IllegalStateException("#rejectQuery must be only be triggered after "













                    + "calling #streamQuery to be in the query streaming state.");















        }















    }































    /**















     * Informs {@link VisualQueryDetector} with the metadata to complete the streamed partial















     * query that has been sent to {@link VisualQueryDetector}. This method is expected to be













         * only triggered if {@link Callback#onQueryDetected()} is called to put the service into













         * the query streaming state.













     * only triggered if {@link VisualQueryDetectionService#streamQuery(String)} is called to put













     * the service into the query streaming state.















     *















     * @throws IllegalStateException if method called without query streamed.















     */













        public void onQueryFinished() throws IllegalStateException {













    public final void finishQuery() throws IllegalStateException {















        try {















            mRemoteCallback.onQueryFinished();















        } catch (RemoteException e) {













                throw new IllegalStateException("#onQueryFinished must be only be triggered after "













                        + "calling #onQueryDetected to be in the query streaming state.");













            }













            throw new IllegalStateException("#finishQuery must be only be triggered after "













                    + "calling #streamQuery to be in the query streaming state.");















        }















    }

















































core/java/android/service/voice/VisualQueryDetector.java



+5
−3




























Original line number
Diff line number
Diff line








@@ -177,7 +177,8 @@ public class VisualQueryDetector {













    public interface Callback {































        /**













         * Called when the {@link VisualQueryDetectionService} starts to stream partial queries.













         * Called when the {@link VisualQueryDetectionService} starts to stream partial queries













         * with {@link VisualQueryDetectionService#streamQuery(String)}.















         *















         * @param partialQuery The partial query in a text form being streamed.















         */









@@ -185,12 +186,13 @@ public class VisualQueryDetector {





























        /**















         * Called when the {@link VisualQueryDetectionService} decides to abandon the streamed













         * partial queries.













         * partial queries with {@link VisualQueryDetectionService#rejectQuery()}.















         */















        void onQueryRejected();































        /**













         *  Called when the {@link VisualQueryDetectionService} finishes streaming partial queries.













         *  Called when the {@link VisualQueryDetectionService} finishes streaming partial queries













         *  with {@link VisualQueryDetectionService#finishQuery()}.















         */















        void onQueryFinished();