Address API review comments

- Make Callback an abstract class
- Split manage intents into 3 different methods
- Remove RECOGNITION_FLAGS_NONE

Bug: 17255602
Change-Id: I1329f889bb2ab35938f42d2ecfe755d2b17ec542
This commit is contained in:
Sandeep Siddhartha
2014-08-25 12:50:35 -07:00
parent 19d431f330
commit ee16bdc33d
3 changed files with 88 additions and 37 deletions

View File

@@ -27198,16 +27198,14 @@ package android.service.textservice {
package android.service.voice {
public class AlwaysOnHotwordDetector {
method public android.content.Intent getManageIntent(int);
method public android.content.Intent createIntentToEnroll();
method public android.content.Intent createIntentToReEnroll();
method public android.content.Intent createIntentToUnEnroll();
method public int getSupportedRecognitionModes();
method public boolean startRecognition(int);
method public boolean stopRecognition();
field public static final int MANAGE_ACTION_ENROLL = 0; // 0x0
field public static final int MANAGE_ACTION_RE_ENROLL = 1; // 0x1
field public static final int MANAGE_ACTION_UN_ENROLL = 2; // 0x2
field public static final int RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS = 2; // 0x2
field public static final int RECOGNITION_FLAG_CAPTURE_TRIGGER_AUDIO = 1; // 0x1
field public static final int RECOGNITION_FLAG_NONE = 0; // 0x0
field public static final int RECOGNITION_MODE_USER_IDENTIFICATION = 2; // 0x2
field public static final int RECOGNITION_MODE_VOICE_TRIGGER = 1; // 0x1
field public static final int STATE_HARDWARE_UNAVAILABLE = -2; // 0xfffffffe
@@ -27216,7 +27214,8 @@ package android.service.voice {
field public static final int STATE_KEYPHRASE_UNSUPPORTED = -1; // 0xffffffff
}
public static abstract interface AlwaysOnHotwordDetector.Callback {
public static abstract class AlwaysOnHotwordDetector.Callback {
ctor public AlwaysOnHotwordDetector.Callback();
method public abstract void onAvailabilityChanged(int);
method public abstract void onDetected(android.service.voice.AlwaysOnHotwordDetector.EventPayload);
method public abstract void onError();

View File

@@ -19,6 +19,7 @@ package android.service.voice;
import android.annotation.IntDef;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.Activity;
import android.content.Intent;
import android.hardware.soundtrigger.IRecognitionStatusCallback;
import android.hardware.soundtrigger.KeyphraseEnrollmentInfo;
@@ -84,20 +85,31 @@ public class AlwaysOnHotwordDetector {
private static final int STATE_NOT_READY = 0;
// Keyphrase management actions. Used in getManageIntent() ----//
/** @hide */
@Retention(RetentionPolicy.SOURCE)
@IntDef(value = {
MANAGE_ACTION_ENROLL,
MANAGE_ACTION_RE_ENROLL,
MANAGE_ACTION_UN_ENROLL
})
public @interface ManageActions {}
private @interface ManageActions {}
/** Indicates that we need to enroll. */
/**
* Indicates that we need to enroll.
*
* @hide
*/
public static final int MANAGE_ACTION_ENROLL = 0;
/** Indicates that we need to re-enroll. */
/**
* Indicates that we need to re-enroll.
*
* @hide
*/
public static final int MANAGE_ACTION_RE_ENROLL = 1;
/** Indicates that we need to un-enroll. */
/**
* Indicates that we need to un-enroll.
*
* @hide
*/
public static final int MANAGE_ACTION_UN_ENROLL = 2;
//-- Flags for startRecognition ----//
@@ -111,7 +123,11 @@ public class AlwaysOnHotwordDetector {
})
public @interface RecognitionFlags {}
/** Empty flag for {@link #startRecognition(int)}. */
/**
* Empty flag for {@link #startRecognition(int)}.
*
* @hide
*/
public static final int RECOGNITION_FLAG_NONE = 0;
/**
* Recognition flag for {@link #startRecognition(int)} that indicates
@@ -264,7 +280,7 @@ public class AlwaysOnHotwordDetector {
/**
* Callbacks for always-on hotword detection.
*/
public interface Callback {
public static abstract class Callback {
/**
* Called when the hotword availability changes.
* This indicates a change in the availability of recognition for the given keyphrase.
@@ -278,7 +294,7 @@ public class AlwaysOnHotwordDetector {
* @see AlwaysOnHotwordDetector#STATE_KEYPHRASE_UNENROLLED
* @see AlwaysOnHotwordDetector#STATE_KEYPHRASE_ENROLLED
*/
void onAvailabilityChanged(int status);
public abstract void onAvailabilityChanged(int status);
/**
* Called when the keyphrase is spoken.
* This implicitly stops listening for the keyphrase once it's detected.
@@ -289,23 +305,23 @@ public class AlwaysOnHotwordDetector {
* This may contain the trigger audio, if requested when calling
* {@link AlwaysOnHotwordDetector#startRecognition(int)}.
*/
void onDetected(@NonNull EventPayload eventPayload);
public abstract void onDetected(@NonNull EventPayload eventPayload);
/**
* Called when the detection fails due to an error.
*/
void onError();
public abstract void onError();
/**
* Called when the recognition is paused temporarily for some reason.
* This is an informational callback, and the clients shouldn't be doing anything here
* except showing an indication on their UI if they have to.
*/
void onRecognitionPaused();
public abstract void onRecognitionPaused();
/**
* Called when the recognition is resumed after it was temporarily paused.
* This is an informational callback, and the clients shouldn't be doing anything here
* except showing an indication on their UI if they have to.
*/
void onRecognitionResumed();
public abstract void onRecognitionResumed();
}
/**
@@ -372,10 +388,10 @@ public class AlwaysOnHotwordDetector {
/**
* Starts recognition for the associated keyphrase.
*
* @see #RECOGNITION_FLAG_CAPTURE_TRIGGER_AUDIO
* @see #RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS
*
* @param recognitionFlags The flags to control the recognition properties.
* The allowed flags are {@link #RECOGNITION_FLAG_NONE},
* {@link #RECOGNITION_FLAG_CAPTURE_TRIGGER_AUDIO} and
* {@link #RECOGNITION_FLAG_ALLOW_MULTIPLE_TRIGGERS}.
* @return Indicates whether the call succeeded or not.
* @throws UnsupportedOperationException if the recognition isn't supported.
* Callers should only call this method after a supported state callback on
@@ -430,12 +446,13 @@ public class AlwaysOnHotwordDetector {
}
/**
* Gets an intent to manage the associated keyphrase.
* Creates an intent to start the enrollment for the associated keyphrase.
* This intent must be invoked using {@link Activity#startActivityForResult(Intent, int)}.
* Starting re-enrollment is only valid if the keyphrase is un-enrolled,
* i.e. {@link #STATE_KEYPHRASE_UNENROLLED},
* otherwise {@link #createIntentToReEnroll()} should be preferred.
*
* @param action The manage action that needs to be performed.
* One of {@link #MANAGE_ACTION_ENROLL}, {@link #MANAGE_ACTION_RE_ENROLL} or
* {@link #MANAGE_ACTION_UN_ENROLL}.
* @return An {@link Intent} to manage the given keyphrase.
* @return An {@link Intent} to start enrollment for the given keyphrase.
* @throws UnsupportedOperationException if managing they keyphrase isn't supported.
* Callers should only call this method after a supported state callback on
* {@link Callback#onAvailabilityChanged(int)} to avoid this exception.
@@ -443,10 +460,52 @@ public class AlwaysOnHotwordDetector {
* This may happen if another detector has been instantiated or the
* {@link VoiceInteractionService} hosting this detector has been shut down.
*/
public Intent getManageIntent(@ManageActions int action) {
if (DBG) Slog.d(TAG, "getManageIntent(" + action + ")");
public Intent createIntentToEnroll() {
if (DBG) Slog.d(TAG, "createIntentToEnroll");
synchronized (mLock) {
return getManageIntentLocked(action);
return getManageIntentLocked(MANAGE_ACTION_ENROLL);
}
}
/**
* Creates an intent to start the un-enrollment for the associated keyphrase.
* This intent must be invoked using {@link Activity#startActivityForResult(Intent, int)}.
* Starting re-enrollment is only valid if the keyphrase is already enrolled,
* i.e. {@link #STATE_KEYPHRASE_ENROLLED}, otherwise invoking this may result in an error.
*
* @return An {@link Intent} to start un-enrollment for the given keyphrase.
* @throws UnsupportedOperationException if managing they keyphrase isn't supported.
* Callers should only call this method after a supported state callback on
* {@link Callback#onAvailabilityChanged(int)} to avoid this exception.
* @throws IllegalStateException if the detector is in an invalid state.
* This may happen if another detector has been instantiated or the
* {@link VoiceInteractionService} hosting this detector has been shut down.
*/
public Intent createIntentToUnEnroll() {
if (DBG) Slog.d(TAG, "createIntentToUnEnroll");
synchronized (mLock) {
return getManageIntentLocked(MANAGE_ACTION_UN_ENROLL);
}
}
/**
* Creates an intent to start the re-enrollment for the associated keyphrase.
* This intent must be invoked using {@link Activity#startActivityForResult(Intent, int)}.
* Starting re-enrollment is only valid if the keyphrase is already enrolled,
* i.e. {@link #STATE_KEYPHRASE_ENROLLED}, otherwise invoking this may result in an error.
*
* @return An {@link Intent} to start re-enrollment for the given keyphrase.
* @throws UnsupportedOperationException if managing they keyphrase isn't supported.
* Callers should only call this method after a supported state callback on
* {@link Callback#onAvailabilityChanged(int)} to avoid this exception.
* @throws IllegalStateException if the detector is in an invalid state.
* This may happen if another detector has been instantiated or the
* {@link VoiceInteractionService} hosting this detector has been shut down.
*/
public Intent createIntentToReEnroll() {
if (DBG) Slog.d(TAG, "createIntentToReEnroll");
synchronized (mLock) {
return getManageIntentLocked(MANAGE_ACTION_RE_ENROLL);
}
}
@@ -462,12 +521,6 @@ public class AlwaysOnHotwordDetector {
"Managing the given keyphrase is not supported");
}
if (action != MANAGE_ACTION_ENROLL
&& action != MANAGE_ACTION_RE_ENROLL
&& action != MANAGE_ACTION_UN_ENROLL) {
throw new IllegalArgumentException("Invalid action specified " + action);
}
return mKeyphraseEnrollmentInfo.getManageKeyphraseIntent(action, mText, mLocale);
}

View File

@@ -92,8 +92,7 @@ public class MainInteractionService extends VoiceInteractionService {
break;
case AlwaysOnHotwordDetector.STATE_KEYPHRASE_UNENROLLED:
Log.i(TAG, "STATE_KEYPHRASE_UNENROLLED");
Intent enroll = mHotwordDetector.getManageIntent(
AlwaysOnHotwordDetector.MANAGE_ACTION_ENROLL);
Intent enroll = mHotwordDetector.createIntentToEnroll();
Log.i(TAG, "Need to enroll with " + enroll);
break;
case AlwaysOnHotwordDetector.STATE_KEYPHRASE_ENROLLED: