Merge "[Audiosharing] Support new start broadcast API." into main (19291b08) · Commits · e / os / android_frameworks_base

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

+76 −0

Original line number	Diff line number	Diff line
		@@ -28,7 +28,9 @@ import android.bluetooth.BluetoothLeBroadcast;
		import android.bluetooth.BluetoothLeBroadcastAssistant;
		import android.bluetooth.BluetoothLeBroadcastMetadata;
		import android.bluetooth.BluetoothLeBroadcastReceiveState;
		import android.bluetooth.BluetoothLeBroadcastSettings;
		import android.bluetooth.BluetoothLeBroadcastSubgroup;
		import android.bluetooth.BluetoothLeBroadcastSubgroupSettings;
		import android.bluetooth.BluetoothProfile;
		import android.bluetooth.BluetoothProfile.ServiceListener;
		import android.content.ContentResolver;
		@@ -42,10 +44,13 @@ import android.provider.Settings;
		import android.text.TextUtils;
		import android.util.Log;

		import androidx.annotation.Nullable;
		import androidx.annotation.RequiresApi;

		import com.android.settingslib.R;

		import com.google.common.collect.ImmutableList;

		import java.nio.charset.StandardCharsets;
		import java.util.ArrayList;
		import java.util.Arrays;
		@@ -376,6 +381,77 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
		(mBroadcastCode != null && mBroadcastCode.length > 0) ? mBroadcastCode : null);
		}

		/**
		* Start the private Broadcast for personal audio sharing or qr code sharing.
		*
		* <p>The broadcast will use random string for both broadcast name and subgroup program info;
		* The broadcast will use random string for broadcast code; The broadcast will only have one
		* subgroup due to system limitation; The subgroup language will be null.
		*
		* <p>If the system started the LE Broadcast, then the system calls the corresponding callback
		* {@link BluetoothLeBroadcast.Callback}.
		*/
		public void startPrivateBroadcast(int quality) {
		mNewAppSourceName = "Sharing audio";
		if (mServiceBroadcast == null) {
		Log.d(TAG, "The BluetoothLeBroadcast is null when starting the private broadcast.");
		return;
		}
		if (mServiceBroadcast.getAllBroadcastMetadata().size()
		>= mServiceBroadcast.getMaximumNumberOfBroadcasts()) {
		Log.d(TAG, "Skip starting the broadcast due to number limit.");
		return;
		}
		String programInfo = getProgramInfo();
		if (DEBUG) {
		Log.d(TAG, "startBroadcast: language = null ,programInfo = " + programInfo);
		}
		// Current broadcast framework only support one subgroup
		BluetoothLeBroadcastSubgroupSettings subgroupSettings =
		buildBroadcastSubgroupSettings(/* language= */ null, programInfo, quality);
		BluetoothLeBroadcastSettings settings =
		buildBroadcastSettings(
		true, // TODO: set to false after framework fix
		TextUtils.isEmpty(programInfo) ? null : programInfo,
		(mBroadcastCode != null && mBroadcastCode.length > 0)
		? mBroadcastCode
		: null,
		ImmutableList.of(subgroupSettings));
		mServiceBroadcast.startBroadcast(settings);
		}

		private BluetoothLeBroadcastSettings buildBroadcastSettings(
		boolean isPublic,
		@Nullable String broadcastName,
		@Nullable byte[] broadcastCode,
		List<BluetoothLeBroadcastSubgroupSettings> subgroupSettingsList) {
		BluetoothLeBroadcastSettings.Builder builder =
		new BluetoothLeBroadcastSettings.Builder()
		.setPublicBroadcast(isPublic)
		.setBroadcastName(broadcastName)
		.setBroadcastCode(broadcastCode);
		for (BluetoothLeBroadcastSubgroupSettings subgroupSettings : subgroupSettingsList) {
		builder.addSubgroupSettings(subgroupSettings);
		}
		return builder.build();
		}

		private BluetoothLeBroadcastSubgroupSettings buildBroadcastSubgroupSettings(
		@Nullable String language, @Nullable String programInfo, int quality) {
		BluetoothLeAudioContentMetadata metadata =
		new BluetoothLeAudioContentMetadata.Builder()
		.setLanguage(language)
		.setProgramInfo(programInfo)
		.build();
		// Current broadcast framework only support one subgroup, thus we still maintain the latest
		// metadata to keep legacy UI working.
		mBluetoothLeAudioContentMetadata = metadata;
		return new BluetoothLeBroadcastSubgroupSettings.Builder()
		.setPreferredQuality(quality)
		.setContentMetadata(mBluetoothLeAudioContentMetadata)
		.build();
		}

		public String getProgramInfo() {
		return mProgramInfo;
		}