Merge "speech: Add #isOnDeviceRecognitionAvailable" into sc-dev (cd145f1b) · Commits · e / os / android_frameworks_base

core/api/current.txt

+2 −1

Original line number	Diff line number	Diff line
		@@ -39223,7 +39223,8 @@ package android.speech {
		method @MainThread public static android.speech.SpeechRecognizer createSpeechRecognizer(android.content.Context);
		method @MainThread public static android.speech.SpeechRecognizer createSpeechRecognizer(android.content.Context, android.content.ComponentName);
		method public void destroy();
		method public static boolean isRecognitionAvailable(android.content.Context);
		method public static boolean isOnDeviceRecognitionAvailable(@NonNull android.content.Context);
		method public static boolean isRecognitionAvailable(@NonNull android.content.Context);
		method @MainThread public void setRecognitionListener(android.speech.RecognitionListener);
		method @MainThread public void startListening(android.content.Intent);
		method @MainThread public void stopListening();

core/java/android/speech/SpeechRecognizer.java

+40 −1

Original line number	Diff line number	Diff line
		@@ -40,6 +40,8 @@ import android.text.TextUtils;
		import android.util.Log;
		import android.util.Slog;

		import com.android.internal.R;

		import java.lang.annotation.Documented;
		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		@@ -238,13 +240,45 @@ public class SpeechRecognizer {
		* @param context with which {@code SpeechRecognizer} will be created
		* @return {@code true} if recognition is available, {@code false} otherwise
		*/
		public static boolean isRecognitionAvailable(final Context context) {
		public static boolean isRecognitionAvailable(@NonNull final Context context) {
		// TODO(b/176578753): make sure this works well with system speech recognizers.
		final List<ResolveInfo> list = context.getPackageManager().queryIntentServices(
		new Intent(RecognitionService.SERVICE_INTERFACE), 0);
		return list != null && list.size() != 0;
		}

		/**
		* Checks whether an on-device speech recognition service is available on the system. If this
		* method returns {@code false},
		* {@link SpeechRecognizer#createOnDeviceSpeechRecognizer(Context)} will
		* fail.
		*
		* @param context with which on-device {@code SpeechRecognizer} will be created
		* @return {@code true} if on-device recognition is available, {@code false} otherwise
		*/
		public static boolean isOnDeviceRecognitionAvailable(@NonNull final Context context) {
		ComponentName componentName =
		ComponentName.unflattenFromString(
		context.getString(R.string.config_defaultOnDeviceSpeechRecognitionService));
		if (componentName == null) {
		return false;
		}

		List<ResolveInfo> resolveInfos =
		context.getPackageManager().queryIntentServices(
		new Intent(RecognitionService.SERVICE_INTERFACE), 0);
		if (resolveInfos == null) {
		return false;
		}

		for (ResolveInfo ri : resolveInfos) {
		if (ri.serviceInfo != null && componentName.equals(ri.serviceInfo.getComponentName())) {
		return true;
		}
		}
		return false;
		}

		/**
		* Factory method to create a new {@code SpeechRecognizer}. Please note that
		* {@link #setRecognitionListener(RecognitionListener)} should be called before dispatching any
		@@ -315,6 +349,8 @@ public class SpeechRecognizer {
		* notifications will be received.
		*
		* @param context in which to create {@code SpeechRecognizer}
		* @throws UnsupportedOperationException iff {@link #isOnDeviceRecognitionAvailable(Context)}
		* is false
		* @return a new on-device {@code SpeechRecognizer}.
		*/
		@NonNull
		@@ -324,6 +360,9 @@ public class SpeechRecognizer {
		throw new IllegalArgumentException("Context cannot be null");
		}
		checkIsCalledFromMainThread();
		if (!isOnDeviceRecognitionAvailable(context)) {
		throw new UnsupportedOperationException("On-device recognition is not available");
		}
		return new SpeechRecognizer(context, /* onDevice */ true);
		}