Merge "[Audiosharing] Support new start broadcast API." into main
diff --git a/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java
index 2cb44ec..49ac0f8 100644
--- a/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java
+++ b/packages/SettingsLib/src/com/android/settingslib/bluetooth/LocalBluetoothLeBroadcast.java
@@ -28,7 +28,9 @@
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.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 @@
(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;
}