Merge "[LE_Broadcast] Add more APIs for the broadcast profile" into tm-dev
This commit is contained in:
SongFerng Wang
committed by
Android (Google) Code Review
Android (Google) Code Review
commit
6d7970c9cd
@@ -29,18 +29,23 @@ import android.bluetooth.BluetoothLeBroadcastMetadata;
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import android.bluetooth.BluetoothProfile;
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import android.bluetooth.BluetoothProfile.ServiceListener;
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.os.Build;
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import android.text.TextUtils;
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import android.util.Log;
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import androidx.annotation.RequiresApi;
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import com.android.settingslib.R;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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import java.util.UUID;
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import java.util.concurrent.Executor;
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import java.util.concurrent.Executors;
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import java.util.concurrent.ThreadLocalRandom;
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/**
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* LocalBluetoothLeBroadcast provides an interface between the Settings app
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@@ -55,13 +60,26 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
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static final String NAME = "LE_AUDIO_BROADCAST";
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// Order of this profile in device profiles list
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private static final int ORDINAL = 1;
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private static final String PREF_NAME = "LocalBluetoothLeBroadcast";
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private static final String PREF_PROGRAM_INFO = "PrefProgramInfo";
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private static final String PREF_BROADCAST_CODE = "PrefBroadcastCode";
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private static final String PREF_APP_SOURCE_NAME = "PrefAppSourceName";
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private static final String UNDERLINE = "_";
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private static final int DEFAULT_CODE_MIN = 1000;
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private static final int DEFAULT_CODE_MAX = 9999;
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private BluetoothLeBroadcast mService;
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private BluetoothLeAudioContentMetadata mBluetoothLeAudioContentMetadata;
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private BluetoothLeBroadcastMetadata mBluetoothLeBroadcastMetadata;
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private BluetoothLeAudioContentMetadata.Builder mBuilder;
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private int mBroadcastId = UNKNOWN_VALUE_PLACEHOLDER;
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private String mAppSourceName = "";
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private String mNewAppSourceName = "";
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private boolean mIsProfileReady;
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private String mProgramInfo;
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private byte[] mBroadcastCode;
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private SharedPreferences mSharedPref;
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private Executor mExecutor;
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private final ServiceListener mServiceListener = new ServiceListener() {
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@Override
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@@ -71,41 +89,232 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
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}
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mService = (BluetoothLeBroadcast) proxy;
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mIsProfileReady = true;
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registerServiceCallBack(mExecutor, mBroadcastCallback);
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}
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@Override
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public void onServiceDisconnected(int profile) {
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if (profile != BluetoothProfile.LE_AUDIO_BROADCAST) {
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Log.d(TAG, "The profile is not LE_AUDIO_BROADCAST");
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return;
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}
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if (DEBUG) {
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Log.d(TAG, "Bluetooth service disconnected");
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}
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mIsProfileReady = false;
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unregisterServiceCallBack(mBroadcastCallback);
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}
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};
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private final BluetoothLeBroadcast.Callback mBroadcastCallback =
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new BluetoothLeBroadcast.Callback() {
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@Override
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public void onBroadcastStarted(int reason, int broadcastId) {
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if (DEBUG) {
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Log.d(TAG,
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"onBroadcastStarted(), reason = " + reason + ", broadcastId = "
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+ broadcastId);
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}
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setLatestBroadcastId(broadcastId);
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setAppSourceName(mNewAppSourceName);
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}
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@Override
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public void onBroadcastStartFailed(int reason) {
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if (DEBUG) {
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Log.d(TAG, "onBroadcastStartFailed(), reason = " + reason);
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}
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}
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@Override
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public void onBroadcastMetadataChanged(int broadcastId,
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@NonNull BluetoothLeBroadcastMetadata metadata) {
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if (DEBUG) {
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Log.d(TAG, "onBroadcastMetadataChanged(), broadcastId = " + broadcastId);
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}
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setLatestBluetoothLeBroadcastMetadata(metadata);
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}
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@Override
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public void onBroadcastStopped(int reason, int broadcastId) {
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if (DEBUG) {
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Log.d(TAG,
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"onBroadcastStopped(), reason = " + reason + ", broadcastId = "
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+ broadcastId);
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}
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resetCacheInfo();
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}
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@Override
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public void onBroadcastStopFailed(int reason) {
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if (DEBUG) {
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Log.d(TAG, "onBroadcastStopFailed(), reason = " + reason);
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}
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}
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@Override
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public void onBroadcastUpdated(int reason, int broadcastId) {
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if (DEBUG) {
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Log.d(TAG,
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"onBroadcastUpdated(), reason = " + reason + ", broadcastId = "
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+ broadcastId);
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}
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setLatestBroadcastId(broadcastId);
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setAppSourceName(mNewAppSourceName);
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}
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@Override
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public void onBroadcastUpdateFailed(int reason, int broadcastId) {
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if (DEBUG) {
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Log.d(TAG,
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"onBroadcastUpdateFailed(), reason = " + reason + ", broadcastId = "
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+ broadcastId);
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}
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}
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@Override
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public void onPlaybackStarted(int reason, int broadcastId) {
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}
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@Override
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public void onPlaybackStopped(int reason, int broadcastId) {
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}
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};
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LocalBluetoothLeBroadcast(Context context) {
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mExecutor = Executors.newSingleThreadExecutor();
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BluetoothAdapter.getDefaultAdapter().
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getProfileProxy(context, mServiceListener, BluetoothProfile.LE_AUDIO_BROADCAST);
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mBuilder = new BluetoothLeAudioContentMetadata.Builder();
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mSharedPref = context.getSharedPreferences(PREF_NAME, Context.MODE_PRIVATE);
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if (mSharedPref != null) {
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String programInfo = mSharedPref.getString(PREF_PROGRAM_INFO, "");
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if (programInfo.isEmpty()) {
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programInfo = getDefaultValueOfProgramInfo();
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}
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setProgramInfo(programInfo);
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String prefBroadcastCode = mSharedPref.getString(PREF_BROADCAST_CODE, "");
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byte[] broadcastCode;
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if (prefBroadcastCode.isEmpty()) {
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broadcastCode = getDefaultValueOfBroadcastCode();
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} else {
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broadcastCode = prefBroadcastCode.getBytes(StandardCharsets.UTF_8);
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}
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setBroadcastCode(broadcastCode);
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mAppSourceName = mSharedPref.getString(PREF_APP_SOURCE_NAME, "");
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}
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}
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public void startBroadcast(byte[] broadcastCode, String language,
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String programInfo) {
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/**
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* Start the LE Broadcast. If the system started the LE Broadcast, then the system calls the
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* corresponding callback {@link BluetoothLeBroadcast.Callback}.
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*/
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public void startBroadcast(String appSourceName, String language) {
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mNewAppSourceName = appSourceName;
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if (mService == null) {
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Log.d(TAG, "The BluetoothLeBroadcast is null when starting the broadcast.");
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return;
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}
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if (DEBUG) {
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Log.d(TAG, "startBroadcast: language = " + language + " ,programInfo = " + programInfo);
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Log.d(TAG,
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"startBroadcast: language = " + language + " ,programInfo = " + mProgramInfo);
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}
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buildContentMetadata(language, programInfo);
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mService.startBroadcast(mBluetoothLeAudioContentMetadata, broadcastCode);
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buildContentMetadata(language, mProgramInfo);
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mService.startBroadcast(mBluetoothLeAudioContentMetadata, mBroadcastCode);
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}
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public void stopBroadcast() {
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public String getProgramInfo() {
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return mProgramInfo;
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}
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public void setProgramInfo(String programInfo) {
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if (programInfo == null || programInfo.isEmpty()) {
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Log.d(TAG, "setProgramInfo: programInfo is null or empty");
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return;
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}
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Log.d(TAG, "setProgramInfo: " + programInfo);
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mProgramInfo = programInfo;
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if (mSharedPref == null) {
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Log.d(TAG, "setProgramInfo: sharedPref is null");
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return;
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}
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SharedPreferences.Editor editor = mSharedPref.edit();
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editor.putString(PREF_PROGRAM_INFO, mProgramInfo);
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editor.apply();
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}
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public byte[] getBroadcastCode() {
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return mBroadcastCode;
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}
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public void setBroadcastCode(byte[] broadcastCode) {
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if (broadcastCode == null || broadcastCode.length == 0) {
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Log.d(TAG, "setBroadcastCode: broadcastCode is null or empty");
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return;
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}
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mBroadcastCode = broadcastCode;
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if (mSharedPref == null) {
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Log.d(TAG, "setBroadcastCode: sharedPref is null");
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return;
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}
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SharedPreferences.Editor editor = mSharedPref.edit();
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editor.putString(PREF_BROADCAST_CODE, new String(broadcastCode, StandardCharsets.UTF_8));
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editor.apply();
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}
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private void setLatestBroadcastId(int broadcastId) {
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mBroadcastId = broadcastId;
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}
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public int getLatestBroadcastId() {
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return mBroadcastId;
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}
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private void setAppSourceName(String appSourceName) {
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if (TextUtils.isEmpty(appSourceName)) {
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appSourceName = "";
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}
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mAppSourceName = appSourceName;
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mNewAppSourceName = "";
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if (mSharedPref == null) {
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Log.d(TAG, "setBroadcastCode: sharedPref is null");
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return;
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}
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SharedPreferences.Editor editor = mSharedPref.edit();
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editor.putString(PREF_APP_SOURCE_NAME, appSourceName);
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editor.apply();
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}
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public String getAppSourceName() {
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return mAppSourceName;
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}
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private void setLatestBluetoothLeBroadcastMetadata(
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BluetoothLeBroadcastMetadata bluetoothLeBroadcastMetadata) {
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if (bluetoothLeBroadcastMetadata != null
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&& bluetoothLeBroadcastMetadata.getBroadcastId() == mBroadcastId) {
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mBluetoothLeBroadcastMetadata = bluetoothLeBroadcastMetadata;
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}
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}
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public BluetoothLeBroadcastMetadata getLatestBluetoothLeBroadcastMetadata() {
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return mBluetoothLeBroadcastMetadata;
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}
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/**
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* Stop the latest LE Broadcast. If the system stopped the LE Broadcast, then the system
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* calls the corresponding callback {@link BluetoothLeBroadcast.Callback}.
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*/
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public void stopLatestBroadcast() {
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stopBroadcast(mBroadcastId);
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}
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/**
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* Stop the LE Broadcast. If the system stopped the LE Broadcast, then the system calls the
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* corresponding callback {@link BluetoothLeBroadcast.Callback}.
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*/
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public void stopBroadcast(int broadcastId) {
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if (mService == null) {
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Log.d(TAG, "The BluetoothLeBroadcast is null when stopping the broadcast.");
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return;
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@@ -113,19 +322,24 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
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if (DEBUG) {
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Log.d(TAG, "stopBroadcast()");
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}
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mService.stopBroadcast(mBroadcastId);
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mService.stopBroadcast(broadcastId);
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}
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public void updateBroadcast(String language, String programInfo) {
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/**
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* Update the LE Broadcast. If the system stopped the LE Broadcast, then the system calls the
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* corresponding callback {@link BluetoothLeBroadcast.Callback}.
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*/
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public void updateBroadcast(String appSourceName, String language) {
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if (mService == null) {
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Log.d(TAG, "The BluetoothLeBroadcast is null when updating the broadcast.");
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return;
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}
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if (DEBUG) {
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Log.d(TAG,
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"updateBroadcast: language = " + language + " ,programInfo = " + programInfo);
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"updateBroadcast: language = " + language + " ,programInfo = " + mProgramInfo);
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}
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mBluetoothLeAudioContentMetadata = mBuilder.setProgramInfo(programInfo).build();
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mNewAppSourceName = appSourceName;
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mBluetoothLeAudioContentMetadata = mBuilder.setProgramInfo(mProgramInfo).build();
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mService.updateBroadcast(mBroadcastId, mBluetoothLeAudioContentMetadata);
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}
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@@ -196,7 +410,8 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
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return mService.getConnectedDevices();
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}
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public @NonNull List<BluetoothLeBroadcastMetadata> getAllBroadcastMetadata() {
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public @NonNull
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List<BluetoothLeBroadcastMetadata> getAllBroadcastMetadata() {
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if (mService == null) {
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Log.d(TAG, "The BluetoothLeBroadcast is null.");
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return Collections.emptyList();
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@@ -265,4 +480,31 @@ public class LocalBluetoothLeBroadcast implements LocalBluetoothProfile {
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}
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}
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}
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private String getDefaultValueOfProgramInfo() {
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//set the default value;
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int postfix = ThreadLocalRandom.current().nextInt(DEFAULT_CODE_MIN, DEFAULT_CODE_MAX);
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return BluetoothAdapter.getDefaultAdapter().getName() + UNDERLINE + postfix;
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}
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private byte[] getDefaultValueOfBroadcastCode() {
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//set the default value;
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return generateRandomPassword().getBytes(StandardCharsets.UTF_8);
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}
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private void resetCacheInfo() {
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if (DEBUG) {
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Log.d(TAG, "resetCacheInfo:");
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}
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mNewAppSourceName = "";
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mAppSourceName = "";
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mBluetoothLeBroadcastMetadata = null;
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mBroadcastId = UNKNOWN_VALUE_PLACEHOLDER;
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}
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private String generateRandomPassword() {
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String randomUUID = UUID.randomUUID().toString();
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//first 12 chars from xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
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return randomUUID.substring(0, 8) + randomUUID.substring(9, 13);
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}
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}
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