[AudioStream] Hysteresis mode support (2c3f54c5) · Commits · e / os / android_packages_apps_Settings

res/values/strings.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -13553,6 +13553,8 @@
		<string name="audio_streams_dialog_cannot_play">Can\u0027t play this audio stream on <xliff:g example="LE headset" id="device_name">%1$s</xliff:g>.</string>
		<!-- The preference summary when add source succeed [CHAR LIMIT=NONE] -->
		<string name="audio_streams_listening_now">Listening now</string>
		<!-- The preference summary when source is present on sinks [CHAR LIMIT=NONE] -->
		<string name="audio_streams_present_now">Paused by host</string>
		<!-- Le audio streams service notification leave broadcast text [CHAR LIMIT=NONE] -->
		<string name="audio_streams_media_service_notification_leave_broadcast_text">Stop listening</string>
		<!-- Le audio streams no le device dialog title [CHAR LIMIT=NONE] -->

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamButtonController.java

+20 −6

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.settings.connecteddevice.audiosharing.audiostreams;

		import static com.android.settingslib.flags.Flags.audioSharingHysteresisModeFix;

		import android.app.settings.SettingsEnums;
		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothLeBroadcastAssistant;
		@@ -41,6 +43,7 @@ import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
		import com.android.settingslib.utils.ThreadUtils;
		import com.android.settingslib.widget.ActionButtonsPreference;

		import java.util.List;
		import java.util.concurrent.Executor;
		import java.util.concurrent.Executors;

		@@ -73,14 +76,20 @@ public class AudioStreamButtonController extends BasePreferenceController
		int sourceId,
		BluetoothLeBroadcastReceiveState state) {
		super.onReceiveStateChanged(sink, sourceId, state);
		if (AudioStreamsHelper.isConnected(state)) {
		boolean shouldUpdateButton =
		audioSharingHysteresisModeFix()
		? AudioStreamsHelper.hasSourcePresent(state)
		: AudioStreamsHelper.isConnected(state);
		if (shouldUpdateButton) {
		updateButton();
		if (AudioStreamsHelper.isConnected(state)) {
		mMetricsFeatureProvider.action(
		mContext,
		SettingsEnums.ACTION_AUDIO_STREAM_JOIN_SUCCEED,
		SOURCE_ORIGIN_REPOSITORY);
		}
		}
		}

		@Override
		public void onSourceAddFailed(
		@@ -146,8 +155,13 @@ public class AudioStreamButtonController extends BasePreferenceController
		Log.w(TAG, "updateButton(): preference is null!");
		return;
		}

		List<BluetoothLeBroadcastReceiveState> sources =
		audioSharingHysteresisModeFix()
		? mAudioStreamsHelper.getAllPresentSources()
		: mAudioStreamsHelper.getAllConnectedSources();
		boolean isConnected =
		mAudioStreamsHelper.getAllConnectedSources().stream()
		sources.stream()
		.map(BluetoothLeBroadcastReceiveState::getBroadcastId)
		.anyMatch(connectedBroadcastId -> connectedBroadcastId == mBroadcastId);

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamHeaderController.java

+34 −4

Original line number	Diff line number	Diff line
		@@ -16,6 +16,10 @@

		package com.android.settings.connecteddevice.audiosharing.audiostreams;

		import static com.android.settingslib.flags.Flags.audioSharingHysteresisModeFix;

		import static java.util.stream.Collectors.toList;

		import android.bluetooth.BluetoothDevice;
		import android.bluetooth.BluetoothLeBroadcastAssistant;
		import android.bluetooth.BluetoothLeBroadcastReceiveState;
		@@ -48,6 +52,8 @@ public class AudioStreamHeaderController extends BasePreferenceController
		static final int AUDIO_STREAM_HEADER_LISTENING_NOW_SUMMARY =
		R.string.audio_streams_listening_now;

		static final int AUDIO_STREAM_HEADER_PRESENT_NOW_SUMMARY = R.string.audio_streams_present_now;

		@VisibleForTesting static final String AUDIO_STREAM_HEADER_NOT_LISTENING_SUMMARY = "";
		private static final String TAG = "AudioStreamHeaderController";
		private static final String KEY = "audio_stream_header";
		@@ -80,6 +86,10 @@ public class AudioStreamHeaderController extends BasePreferenceController
		updateSummary();
		mAudioStreamsHelper.startMediaService(
		mContext, mBroadcastId, mBroadcastName);
		} else if (audioSharingHysteresisModeFix()
		&& AudioStreamsHelper.hasSourcePresent(state)) {
		// if source present but not connected, only update the summary
		updateSummary();
		}
		}
		};
		@@ -140,8 +150,27 @@ public class AudioStreamHeaderController extends BasePreferenceController
		var unused =
		ThreadUtils.postOnBackgroundThread(
		() -> {
		var connectedSourceList =
		mAudioStreamsHelper.getAllPresentSources().stream()
		.filter(
		state ->
		(state.getBroadcastId()
		== mBroadcastId))
		.collect(toList());

		var latestSummary =
		mAudioStreamsHelper.getAllConnectedSources().stream()
		audioSharingHysteresisModeFix()
		? connectedSourceList.isEmpty()
		? AUDIO_STREAM_HEADER_NOT_LISTENING_SUMMARY
		: (connectedSourceList.stream()
		.anyMatch(
		AudioStreamsHelper
		::isConnected)
		? mContext.getString(
		AUDIO_STREAM_HEADER_LISTENING_NOW_SUMMARY)
		: mContext.getString(
		AUDIO_STREAM_HEADER_PRESENT_NOW_SUMMARY))
		: mAudioStreamsHelper.getAllConnectedSources().stream()
		.map(
		BluetoothLeBroadcastReceiveState
		::getBroadcastId)
		@@ -152,6 +181,7 @@ public class AudioStreamHeaderController extends BasePreferenceController
		? mContext.getString(
		AUDIO_STREAM_HEADER_LISTENING_NOW_SUMMARY)
		: AUDIO_STREAM_HEADER_NOT_LISTENING_SUMMARY;

		ThreadUtils.postOnMainThread(
		() -> {
		if (mHeaderController != null) {

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamStateHandler.java

+8 −2

Original line number	Diff line number	Diff line
		@@ -18,6 +18,8 @@ package com.android.settings.connecteddevice.audiosharing.audiostreams;

		import static android.text.Spanned.SPAN_EXCLUSIVE_INCLUSIVE;

		import static com.android.settingslib.flags.Flags.audioSharingHysteresisModeFix;

		import android.os.Handler;
		import android.os.Looper;
		import android.text.SpannableString;
		@@ -94,8 +96,12 @@ class AudioStreamStateHandler {
		}
		preference.setIsConnected(
		newState
		== AudioStreamsProgressCategoryController.AudioStreamState
		.SOURCE_ADDED);
		== AudioStreamsProgressCategoryController
		.AudioStreamState.SOURCE_ADDED
		\|\| (audioSharingHysteresisModeFix()
		&& newState
		== AudioStreamsProgressCategoryController
		.AudioStreamState.SOURCE_PRESENT));
		preference.setOnPreferenceClickListener(getOnClickListener(controller));
		});
		}

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsHelper.java

+37 −3

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@ package com.android.settings.connecteddevice.audiosharing.audiostreams;
		import static com.android.settings.connecteddevice.audiosharing.audiostreams.AudioStreamMediaService.BROADCAST_ID;
		import static com.android.settings.connecteddevice.audiosharing.audiostreams.AudioStreamMediaService.BROADCAST_TITLE;
		import static com.android.settings.connecteddevice.audiosharing.audiostreams.AudioStreamMediaService.DEVICES;
		import static com.android.settingslib.flags.Flags.audioSharingHysteresisModeFix;

		import static java.util.Collections.emptyList;

		@@ -63,6 +64,12 @@ public class AudioStreamsHelper {

		private final @Nullable LocalBluetoothManager mBluetoothManager;
		private final @Nullable LocalBluetoothLeBroadcastAssistant mLeBroadcastAssistant;
		// Referring to Broadcast Audio Scan Service 1.0
		// Table 3.9: Broadcast Receive State characteristic format
		// 0x00000000: 0b0 = Not synchronized to BIS_index[x]
		// 0xFFFFFFFF: Failed to sync to BIG
		private static final long BIS_SYNC_NOT_SYNC_TO_BIS = 0x00000000L;
		private static final long BIS_SYNC_FAILED_SYNC_TO_BIG = 0xFFFFFFFFL;

		AudioStreamsHelper(@Nullable LocalBluetoothManager bluetoothManager) {
		mBluetoothManager = bluetoothManager;
		@@ -144,6 +151,19 @@ public class AudioStreamsHelper {
		.toList();
		}

		/** Retrieves a list of all LE broadcast receive states from sinks with source present. */
		@VisibleForTesting
		public List<BluetoothLeBroadcastReceiveState> getAllPresentSources() {
		if (mLeBroadcastAssistant == null) {
		Log.w(TAG, "getAllPresentSources(): LeBroadcastAssistant is null!");
		return emptyList();
		}
		return getConnectedBluetoothDevices(mBluetoothManager, /* inSharingOnly= */ true).stream()
		.flatMap(sink -> mLeBroadcastAssistant.getAllSources(sink).stream())
		.filter(AudioStreamsHelper::hasSourcePresent)
		.toList();
		}

		/** Retrieves LocalBluetoothLeBroadcastAssistant. */
		@VisibleForTesting
		@Nullable
		@@ -153,7 +173,18 @@ public class AudioStreamsHelper {

		/** Checks the connectivity status based on the provided broadcast receive state. */
		public static boolean isConnected(BluetoothLeBroadcastReceiveState state) {
		return state.getBisSyncState().stream().anyMatch(bitmap -> bitmap != 0);
		return state.getBisSyncState().stream()
		.anyMatch(
		bitmap ->
		(bitmap != BIS_SYNC_NOT_SYNC_TO_BIS
		&& bitmap != BIS_SYNC_FAILED_SYNC_TO_BIG));
		}

		/** Checks the connectivity status based on the provided broadcast receive state. */
		public static boolean hasSourcePresent(BluetoothLeBroadcastReceiveState state) {
		// Referring to Broadcast Audio Scan Service 1.0
		// All zero address means no source on the sink device
		return !state.getSourceDevice().getAddress().equals("00:00:00:00:00:00");
		}

		static boolean isBadCode(BluetoothLeBroadcastReceiveState state) {
		@@ -242,7 +273,8 @@ public class AudioStreamsHelper {
		List<BluetoothLeBroadcastReceiveState> sourceList =
		assistant.getAllSources(cachedDevice.getDevice());
		if (!sourceList.isEmpty()
		&& sourceList.stream().anyMatch(AudioStreamsHelper::isConnected)) {
		&& (audioSharingHysteresisModeFix()
		\|\| sourceList.stream().anyMatch(AudioStreamsHelper::isConnected))) {
		Log.d(
		TAG,
		"Lead device has connected broadcast source, device = "
		@@ -253,7 +285,9 @@ public class AudioStreamsHelper {
		for (CachedBluetoothDevice device : cachedDevice.getMemberDevice()) {
		List<BluetoothLeBroadcastReceiveState> list =
		assistant.getAllSources(device.getDevice());
		if (!list.isEmpty() && list.stream().anyMatch(AudioStreamsHelper::isConnected)) {
		if (!list.isEmpty()
		&& (audioSharingHysteresisModeFix()
		\|\| list.stream().anyMatch(AudioStreamsHelper::isConnected))) {
		Log.d(
		TAG,
		"Member device has connected broadcast source, device = "