Using reflection to get private BluetoothHearingAid APIs for short term (7e923104) · Commits · e / os / android_frameworks_base

packages/SettingsLib/src/com/android/settingslib/bluetooth/HearingAidProfile.java

+99 −0

Original line number	Diff line number	Diff line
		@@ -29,13 +29,48 @@ import android.bluetooth.BluetoothProfile;
		import android.content.Context;
		import android.util.Log;

		import androidx.annotation.IntDef;
		import androidx.annotation.NonNull;

		import com.android.settingslib.R;
		import com.android.settingslib.Utils;

		import java.lang.annotation.Retention;
		import java.lang.annotation.RetentionPolicy;
		import java.lang.reflect.InvocationTargetException;
		import java.lang.reflect.Method;
		import java.util.ArrayList;
		import java.util.List;

		public class HearingAidProfile implements LocalBluetoothProfile {
		@Retention(RetentionPolicy.SOURCE)
		@IntDef({
		DeviceSide.SIDE_INVALID,
		DeviceSide.SIDE_LEFT,
		DeviceSide.SIDE_RIGHT
		})

		/** Side definition for hearing aids. See {@link BluetoothHearingAid}. */
		public @interface DeviceSide {
		int SIDE_INVALID = -1;
		int SIDE_LEFT = 0;
		int SIDE_RIGHT = 1;
		}

		@Retention(RetentionPolicy.SOURCE)
		@IntDef({
		DeviceMode.MODE_INVALID,
		DeviceMode.MODE_MONAURAL,
		DeviceMode.MODE_BINAURAL
		})

		/** Mode definition for hearing aids. See {@link BluetoothHearingAid}. */
		public @interface DeviceMode {
		int MODE_INVALID = -1;
		int MODE_MONAURAL = 0;
		int MODE_BINAURAL = 1;
		}

		private static final String TAG = "HearingAidProfile";
		private static boolean V = true;

		@@ -212,6 +247,11 @@ public class HearingAidProfile implements LocalBluetoothProfile {
		return isEnabled;
		}

		/**
		* Tells remote device to set an absolute volume.
		*
		* @param volume Absolute volume to be set on remote
		*/
		public void setVolume(int volume) {
		if (mService == null) {
		return;
		@@ -219,6 +259,12 @@ public class HearingAidProfile implements LocalBluetoothProfile {
		mService.setVolume(volume);
		}

		/**
		* Gets the HiSyncId (unique hearing aid device identifier) of the device.
		*
		* @param device Bluetooth device
		* @return the HiSyncId of the device
		*/
		public long getHiSyncId(BluetoothDevice device) {
		if (mService == null \|\| device == null) {
		return BluetoothHearingAid.HI_SYNC_ID_INVALID;
		@@ -226,6 +272,59 @@ public class HearingAidProfile implements LocalBluetoothProfile {
		return mService.getHiSyncId(device);
		}

		/**
		* Gets the side of the device.
		*
		* @param device Bluetooth device.
		* @return side of the device. See {@link DeviceSide}.
		*/
		@DeviceSide
		public int getDeviceSide(@NonNull BluetoothDevice device) {
		final int defaultValue = DeviceSide.SIDE_INVALID;
		if (mService == null) {
		Log.w(TAG, "Proxy not attached to HearingAidService");
		return defaultValue;
		}

		try {
		Method method = mService.getClass().getDeclaredMethod("getDeviceSideInternal",
		BluetoothDevice.class);
		method.setAccessible(true);
		return (int) method.invoke(mService, device);
		} catch (NoSuchMethodException \| IllegalAccessException \| InvocationTargetException e) {
		Log.e(TAG, "fail to get getDeviceSideInternal\n" + e.toString() + "\n"
		+ Log.getStackTraceString(new Throwable()));
		return defaultValue;
		}
		}

		/**
		* Gets the mode of the device.
		*
		* @param device Bluetooth device
		* @return mode of the device. See {@link DeviceMode}.
		*/
		@DeviceMode
		public int getDeviceMode(@NonNull BluetoothDevice device) {
		final int defaultValue = DeviceMode.MODE_INVALID;
		if (mService == null) {
		Log.w(TAG, "Proxy not attached to HearingAidService");
		return defaultValue;
		}

		try {
		Method method = mService.getClass().getDeclaredMethod("getDeviceModeInternal",
		BluetoothDevice.class);
		method.setAccessible(true);
		return (int) method.invoke(mService, device);
		} catch (NoSuchMethodException \| IllegalAccessException \| InvocationTargetException e) {
		Log.e(TAG, "fail to get getDeviceModeInternal\n" + e.toString() + "\n"
		+ Log.getStackTraceString(new Throwable()));

		return defaultValue;
		}
		}

		public String toString() {
		return NAME;
		}