com.google.android.media.tv.companionlibrary.model.Program Java Examples

@Test
public void testRequestSync() throws InterruptedException {
    // Tests that a sync can be requested and complete
    LocalBroadcastManager.getInstance(getActivity()).registerReceiver(
            mSyncStatusChangedReceiver,
            new IntentFilter(EpgSyncJobService.ACTION_SYNC_STATUS_CHANGED));
    mSyncStatusLatch = new CountDownLatch(2);
    EpgSyncJobService.cancelAllSyncRequests(getActivity());
    EpgSyncJobService.requestImmediateSync(getActivity(), TestTvInputService.INPUT_ID,
            1000 * 60 * 60, // 1 hour sync period
            new ComponentName(getActivity(), TestJobService.class));
    mSyncStatusLatch.await();

    // Sync is completed
    List<Channel> channelList = ModelUtils.getChannels(getActivity().getContentResolver());
    Log.d("TvContractUtils", channelList.toString());
    assertEquals(2, channelList.size());
    List<Program> programList = ModelUtils.getPrograms(getActivity().getContentResolver(),
            TvContract.buildChannelUri(channelList.get(0).getId()));
    assertEquals(5, programList.size());
}
 

private static TvListing parseTvListings(XmlPullParser parser)
        throws IOException, XmlPullParserException, ParseException {
    List<Channel> channels = new ArrayList<>();
    List<Program> programs = new ArrayList<>();
    while (parser.next() != XmlPullParser.END_DOCUMENT) {
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_CHANNEL.equalsIgnoreCase(parser.getName())) {
            channels.add(parseChannel(parser));
        }
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_PROGRAM.equalsIgnoreCase(parser.getName())) {
            programs.add(parseProgram(parser));
        }
    }
    return new TvListing(channels, programs);
}
 

@Override
public void onStopRecording(Program programToRecord) {
    if (DEBUG) {
        Log.d(TAG, "onStopRecording");
    }
    // In this sample app, since all of the content is VOD, the video URL is stored.
    // If the video was live, the start and stop times should be noted using
    // RecordedProgram.Builder.setStartTimeUtcMillis and .setEndTimeUtcMillis.
    // The recordingstart time will be saved in the InternalProviderData.
    // Additionally, the stream should be recorded and saved as
    // a new file.
    long currentTime = System.currentTimeMillis();
    InternalProviderData internalProviderData = programToRecord.getInternalProviderData();
    internalProviderData.setRecordingStartTime(mStartTimeMs);
    RecordedProgram recordedProgram = new RecordedProgram.Builder(programToRecord)
                .setInputId(mInputId)
                .setRecordingDataUri(
                        programToRecord.getInternalProviderData().getVideoUrl())
                .setRecordingDurationMillis(currentTime - mStartTimeMs)
                .setInternalProviderData(internalProviderData)
                .build();
    notifyRecordingStopped(recordedProgram);
}
 

@Override
public boolean onPlayProgram(Program program, long startPosMs) {
    if (program == null) {
        requestEpgSync(getCurrentChannelUri());
        notifyVideoUnavailable(TvInputManager.VIDEO_UNAVAILABLE_REASON_TUNING);
        return false;
    }
    createPlayer(program.getInternalProviderData().getVideoType(),
            Uri.parse(program.getInternalProviderData().getVideoUrl()));
    if (startPosMs > 0) {
        mPlayer.seekTo(startPosMs);
    }
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
        notifyTimeShiftStatusChanged(TvInputManager.TIME_SHIFT_STATUS_AVAILABLE);
    }
    mPlayer.setPlayWhenReady(true);
    return true;
}
 

private TvListing(List<Channel> channels, List<Program> programs) {
    this.mChannels = channels;
    this.mPrograms = new ArrayList<>(programs);
    // Place programs into the epg map
    mProgramMap = new HashMap<>();
    for (Channel channel : channels) {
        List<Program> programsForChannel = new ArrayList<>();
        Iterator<Program> programIterator = programs.iterator();
        while (programIterator.hasNext()) {
            Program program = programIterator.next();
            if (program.getChannelId() == channel.getOriginalNetworkId()) {
                programsForChannel.add(
                        new Program.Builder(program).setChannelId(channel.getId()).build());
                programIterator.remove();
            }
        }
        mProgramMap.put(channel.getOriginalNetworkId(), programsForChannel);
    }
}
 

private TvListing(List<Channel> channels, List<Program> programs) {
    this.mChannels = channels;
    this.mPrograms = new ArrayList<>(programs);
    // Place programs into the epg map
    mProgramMap = new HashMap<>();
    for (Channel channel: channels) {
        List<Program> programsForChannel = new ArrayList<>();
        Iterator<Program> programIterator = programs.iterator();
        while (programIterator.hasNext()) {
            Program program = programIterator.next();
            if (program.getChannelId() == channel.getOriginalNetworkId()) {
                programsForChannel.add(new Program.Builder(program)
                        .setChannelId(channel.getId())
                        .build());
                programIterator.remove();
            }
        }
        mProgramMap.put(channel.getOriginalNetworkId(), programsForChannel);
    }
}
 

@Override
public boolean handleMessage(Message msg) {
    switch (msg.what) {
        case MSG_PLAY_CONTENT:
            mCurrentProgram = (Program) msg.obj;
            playCurrentContent();
            return true;
        case MSG_PLAY_AD:
            return insertAd((Advertisement) msg.obj);
        case MSG_PLAY_RECORDED_CONTENT:
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                mPlayingRecordedProgram = true;
                mRecordedProgram = (RecordedProgram) msg.obj;
                playRecordedContent();
            }
            return true;
    }
    return false;
}
 

private static TvListing parseTvListings(XmlPullParser parser)
        throws IOException, XmlPullParserException, ParseException {
    List<Channel> channels = new ArrayList<>();
    List<Program> programs = new ArrayList<>();
    while (parser.next() != XmlPullParser.END_DOCUMENT) {
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_CHANNEL.equalsIgnoreCase(parser.getName())) {
            channels.add(parseChannel(parser));
        }
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_PROGRAM.equalsIgnoreCase(parser.getName())) {
            programs.add(parseProgram(parser));
        }
    }
    return new TvListing(channels, programs);
}
 

@Override
public void run() {
    ContentResolver resolver = mContext.getContentResolver();
    Program program = null;
    long timeShiftedDifference =
            System.currentTimeMillis() - mTimeShiftedPlaybackPosition;
    if (mTimeShiftedPlaybackPosition != TvInputManager.TIME_SHIFT_INVALID_TIME
            && timeShiftedDifference > TIME_SHIFTED_MINIMUM_DIFFERENCE_MILLIS) {
        program = ModelUtils.getNextProgram(resolver, mChannelUri, mCurrentProgram);
    } else {
        mTimeShiftedPlaybackPosition = TvInputManager.TIME_SHIFT_INVALID_TIME;
        program = ModelUtils.getCurrentProgram(resolver, mChannelUri);
    }
    mHandler.removeMessages(MSG_PLAY_CONTENT);
    mHandler.obtainMessage(MSG_PLAY_CONTENT, program).sendToTarget();
}
 

@Override
public void run() {
    ContentResolver resolver = mContext.getContentResolver();
    Program program = null;
    long timeShiftedDifference =
            System.currentTimeMillis() - mTimeShiftedPlaybackPosition;
    if (mTimeShiftedPlaybackPosition != TvInputManager.TIME_SHIFT_INVALID_TIME
            && timeShiftedDifference > TIME_SHIFTED_MINIMUM_DIFFERENCE_MILLIS) {
        program = ModelUtils.getNextProgram(resolver, mChannelUri, mCurrentProgram);
    } else {
        mTimeShiftedPlaybackPosition = TvInputManager.TIME_SHIFT_INVALID_TIME;
        program = ModelUtils.getCurrentProgram(resolver, mChannelUri);
    }
    mHandler.removeMessages(MSG_PLAY_CONTENT);
    mHandler.obtainMessage(MSG_PLAY_CONTENT, program).sendToTarget();
}
 

private static TvListing parseTvListings(XmlPullParser parser)
        throws IOException, XmlPullParserException, ParseException {
    List<Channel> channels = new ArrayList<>();
    List<Program> programs = new ArrayList<>();
    while (parser.next() != XmlPullParser.END_DOCUMENT) {
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_CHANNEL.equalsIgnoreCase(parser.getName())) {
            Channel channel = parseChannel(parser);
            if (channel != null) {
                channels.add(channel);
            }
        }
        if (parser.getEventType() == XmlPullParser.START_TAG
                && TAG_PROGRAM.equalsIgnoreCase(parser.getName())) {
            Program program = parseProgram(parser);
            if (program != null) {
                programs.add(program);
            }
        }
    }
    return new TvListing(channels, programs);
}
 

private TvListing(List<Channel> channels, List<Program> programs) {
    this.mChannels = channels;
    this.mPrograms = new ArrayList<>(programs);
    // Place programs into the epg map
    mProgramMap = new HashMap<>();
    for (Channel channel : channels) {
        List<Program> programsForChannel = new ArrayList<>();
        Iterator<Program> programIterator = programs.iterator();
        while (programIterator.hasNext()) {
            Program program = programIterator.next();
            if (program.getChannelId() == channel.getOriginalNetworkId()) {
                programsForChannel.add(
                        new Program.Builder(program).setChannelId(channel.getId()).build());
                programIterator.remove();
            }
        }
        // Don't overwrite a channel's programs list if a key was already existent
        if (!mProgramMap.containsKey(channel.getOriginalNetworkId())) {
            mProgramMap.put(channel.getOriginalNetworkId(), programsForChannel);
        }
    }
}
 

@Override
public boolean handleMessage(Message msg) {
    switch (msg.what) {
        case MSG_PLAY_CONTENT:
            mCurrentProgram = (Program) msg.obj;
            playCurrentContent();
            return true;
        case MSG_PLAY_AD:
            return insertAd((Advertisement) msg.obj);
        case MSG_PLAY_RECORDED_CONTENT:
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                mPlayingRecordedProgram = true;
                mRecordedProgram = (RecordedProgram) msg.obj;
                playRecordedContent();
            }
            return true;
    }
    return false;
}
 

@Test
public void testRepeatProgramDuration() {
    // If repeat-programs is on, schedule the programs sequentially in a loop. To make every
    // device play the same program in a given channel and time, we assumes the loop started
    // from the epoch time.
    long totalDurationMs = 0;
    for (Program program : mProgramList) {
        totalDurationMs += (program.getEndTimeUtcMillis() - program.getStartTimeUtcMillis());
        assertTrue(program.getEndTimeUtcMillis() >= program.getStartTimeUtcMillis());
    }
    long programStartTimeMs = mStartMs - mStartMs % totalDurationMs;
    assertNotSame(0, totalDurationMs);
    assertTrue(programStartTimeMs > 0);
    assertTrue(programStartTimeMs <= mStartMs);
}
 

@Test
public void testAdvertisementParsing() throws XmlTvParser.XmlTvParseException, ParseException {
    long epochStartTime = 0;
    String requestUrl1 = "https://pubads.g.doubleclick.net/gampad/ads?sz=640x480" +
            "&iu=/124319096/external/single_ad_samples&ciu_szs=300x250&impl=s" +
            "&gdfp_req=1&env=vp&output=vast&unviewed_position_start=1" +
            "&cust_params=deployment%3Ddevsite%26sample_ct%3Dlinear&correlator=";
    String requestUrl2 = "https://pubads.g.doubleclick.net/gampad/ads?sz=640x480" +
            "&iu=/124319096/external/single_ad_samples&ciu_szs=300x250&impl=s" +
            "&gdfp_req=1&env=vp&output=vast&unviewed_position_start=1" +
            "&cust_params=deployment%3Ddevsite%26sample_ct%3Dredirectlinear&correlator=";
    String testXmlFile = "xmltv.xml";
    InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream(testXmlFile);
    XmlTvParser.TvListing listings = XmlTvParser.parse(inputStream);
    // Channel 1 should have one VAST advertisement.
    Channel adChannel = listings.getChannels().get(1);
    assertNotNull(adChannel.getInternalProviderData());
    List<Advertisement> adChannelAds = adChannel.getInternalProviderData().getAds();
    assertEquals(1, adChannelAds.size());
    assertEquals(epochStartTime, adChannelAds.get(0).getStartTimeUtcMillis());
    assertEquals(epochStartTime, adChannelAds.get(0).getStopTimeUtcMillis());
    assertEquals(Advertisement.TYPE_VAST, adChannelAds.get(0).getType());
    // Channel 0 should not have any advertisement.
    Channel noAdChannel = listings.getChannels().get(0);
    assertNotNull(noAdChannel.getInternalProviderData());
    List<Advertisement> noAdChannelAds = noAdChannel.getInternalProviderData().getAds();
    assertEquals(0, noAdChannelAds.size());
    // Program 7 should have 2 advertisements with different request tags.
    Program adProgram = listings.getAllPrograms().get(7);
    assertNotNull(adProgram.getInternalProviderData());
    InternalProviderData adProgramData = adProgram.getInternalProviderData();
    List<Advertisement> adProgramAds = adProgramData.getAds();
    assertEquals(2, adProgramAds.size());
    assertEquals(requestUrl1, adProgramAds.get(0).getRequestUrl());
    assertEquals(requestUrl2, adProgramAds.get(1).getRequestUrl());
}
 

/**
 * From a resource file, we will try to pull EPG data for a channel.
 */
@Test
public void testPullFromXmlTvResource() throws JSONException, InterruptedException {
    VolatileChannelDatabase.getMockedInstance(getActivity()).add(
            new JsonChannel.Builder()
                    .setName("Name")
                    .setNumber("Number")
                    .setMediaUrl(MEDIA_URL)
                    .setEpgUrl("http://example.com/epg.xml")
                    .setLogo("http://static-cdn1.ustream.tv/i/channel/picture/9/4/0/8/9408562/9408562_iss_hr_1330361780,256x144,r:1.jpg")
                    .build());
    CumulusJobService.requestImmediateSync1(getActivity(),
            "com.felkertech.cumulustv.tv.CumulusTvTifService", CumulusJobService.DEFAULT_IMMEDIATE_EPG_DURATION_MILLIS,
            new ComponentName(getActivity(), CumulusJobService.class));
    // Wait for sync to complete
    Thread.sleep(1000 * 10);
    ChannelDatabase channelDatabase = VolatileChannelDatabase.getMockedInstance(getActivity());

    // Get our channel row
    Thread.sleep(1000 * 5);
    HashMap<String, Long> databaseRowMap = channelDatabase.getHashMap();
    assertTrue(databaseRowMap.containsKey(MEDIA_URL));
    long rowId = databaseRowMap.get(MEDIA_URL);
    assertTrue(rowId > 0);

    // Get programs
    Cursor cursor = getActivity().getContentResolver().query(
            TvContract.buildProgramsUriForChannel(rowId), null, null, null, null);
    assertNotNull(cursor);
    assertTrue(cursor.moveToFirst());
    Program program = Program.fromCursor(cursor);
    if (!(program.getTitle().equals("Elephants Dream") ||
            program.getTitle().equals("Sintel"))) {
        Assert.fail("Neither program was found.");
    }
}
 

/**
 * Calls {@link #getOriginalProgramsForChannel(Uri, Channel, long, long)} and then repeats and
 * inserts ads as needed.
 */
@Override
public final List<Program> getProgramsForChannel(
        Uri channelUri, Channel channel, long startMs, long endMs) throws EpgSyncException {
    return repeatAndInsertAds(
            channel,
            getOriginalProgramsForChannel(channelUri, channel, startMs, endMs),
            startMs,
            endMs);
}
 

@Test
public void testRequestSync() throws InterruptedException {
    // Tests that a sync can be requested and complete
    LocalBroadcastManager.getInstance(getActivity())
            .registerReceiver(
                    mSyncStatusChangedReceiver,
                    new IntentFilter(EpgSyncJobService.ACTION_SYNC_STATUS_CHANGED));
    mSyncStatusLatch = new CountDownLatch(2);
    EpgSyncJobService.cancelAllSyncRequests(getActivity());
    EpgSyncJobService.requestImmediateSync(
            getActivity(),
            TestTvInputService.INPUT_ID,
            1000 * 60 * 60, // 1 hour sync period
            new ComponentName(getActivity(), TestJobService.class));
    mSyncStatusLatch.await();

    // Sync is completed
    List<Channel> channelList = ModelUtils.getChannels(getActivity().getContentResolver());
    Log.d("TvContractUtils", channelList.toString());
    assertEquals(2, channelList.size());
    List<Program> programList =
            ModelUtils.getPrograms(
                    getActivity().getContentResolver(),
                    TvContract.buildChannelUri(channelList.get(0).getId()));
    assertEquals(5, programList.size());
}
 

/**
 * Calls {@link #getOriginalProgramsForChannel(Uri, Channel, long, long)} and then repeats and
 * inserts ads as needed.
 */
@Override
public final List<Program> getProgramsForChannel(
        Uri channelUri, Channel channel, long startMs, long endMs) throws EpgSyncException {
    return repeatAndInsertAds(
            channel,
            getOriginalProgramsForChannel(channelUri, channel, startMs, endMs),
            startMs,
            endMs);
}
 

@Override
public void onStopRecording(Program programToRecord) {
    mIsRecording = false;
    // Add a sample program into our DVR
    notifyRecordingStopped(new RecordedProgram.Builder()
            .setInputId(mInputId)
            .setTitle("That Gmail Blue Video")
            .setRecordingDataUri(TestJobService.GMAIL_BLUE_VIDEO_URL)
            .setStartTimeUtcMillis(System.currentTimeMillis())
            .setEndTimeUtcMillis(System.currentTimeMillis() + 1000 * 60 * 60)
            .build());
}
 

@Override
public boolean onPlayProgram(Program program, long startPosMs) {
    if (program == null) {
        requestEpgSync(getCurrentChannelUri());
        notifyVideoUnavailable(TvInputManager.VIDEO_UNAVAILABLE_REASON_TUNING);
        return false;
    }
    jsonChannel = ChannelDatabase.getInstance(getApplicationContext()).findChannelByMediaUrl(
            program.getInternalProviderData().getVideoUrl());
    Log.d(TAG, "Play program " + program.getTitle() + " " +
            program.getInternalProviderData().getVideoUrl());
    if (program.getInternalProviderData().getVideoUrl() == null) {
        Toast.makeText(mContext, getString(R.string.msg_no_url_found), Toast.LENGTH_SHORT).show();
        notifyVideoUnavailable(TvInputManager.VIDEO_UNAVAILABLE_REASON_UNKNOWN);
        return false;
    } else {
        createPlayer(program.getInternalProviderData().getVideoType(),
                Uri.parse(program.getInternalProviderData().getVideoUrl()));
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            notifyTimeShiftStatusChanged(TvInputManager.TIME_SHIFT_STATUS_AVAILABLE);
        }
        mPlayer.play();
        notifyVideoAvailable();
        Log.d(TAG, "The video should start playing");
        return true;
    }
}
 

@Test
public void testAdvertisementParsing() throws XmlTvParser.XmlTvParseException, ParseException {
    long epochStartTime = 0;
    String requestUrl1 = "https://pubads.g.doubleclick.net/gampad/ads?sz=640x480" +
            "&iu=/124319096/external/single_ad_samples&ciu_szs=300x250&impl=s" +
            "&gdfp_req=1&env=vp&output=vast&unviewed_position_start=1" +
            "&cust_params=deployment%3Ddevsite%26sample_ct%3Dlinear&correlator=";
    String requestUrl2 = "https://pubads.g.doubleclick.net/gampad/ads?sz=640x480" +
            "&iu=/124319096/external/single_ad_samples&ciu_szs=300x250&impl=s" +
            "&gdfp_req=1&env=vp&output=vast&unviewed_position_start=1" +
            "&cust_params=deployment%3Ddevsite%26sample_ct%3Dredirectlinear&correlator=";
    String testXmlFile = "xmltv.xml";
    InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream(testXmlFile);
    XmlTvParser.TvListing listings = XmlTvParser.parse(inputStream);
    // Channel 1 should have one VAST advertisement.
    Channel adChannel = listings.getChannels().get(1);
    assertNotNull(adChannel.getInternalProviderData());
    List<Advertisement> adChannelAds = adChannel.getInternalProviderData().getAds();
    assertEquals(1, adChannelAds.size());
    assertEquals(epochStartTime, adChannelAds.get(0).getStartTimeUtcMillis());
    assertEquals(epochStartTime, adChannelAds.get(0).getStopTimeUtcMillis());
    assertEquals(Advertisement.TYPE_VAST, adChannelAds.get(0).getType());
    // Channel 0 should not have any advertisement.
    Channel noAdChannel = listings.getChannels().get(0);
    assertNotNull(noAdChannel.getInternalProviderData());
    List<Advertisement> noAdChannelAds = noAdChannel.getInternalProviderData().getAds();
    assertEquals(0, noAdChannelAds.size());
    // Program 7 should have 2 advertisements with different request tags.
    Program adProgram = listings.getAllPrograms().get(7);
    assertNotNull(adProgram.getInternalProviderData());
    InternalProviderData adProgramData = adProgram.getInternalProviderData();
    List<Advertisement> adProgramAds = adProgramData.getAds();
    assertEquals(2, adProgramAds.size());
    assertEquals(requestUrl1, adProgramAds.get(0).getRequestUrl());
    assertEquals(requestUrl2, adProgramAds.get(1).getRequestUrl());
}
 

@Test
public void testEpgSyncTask_GetPrograms() {
    // For repeating channels, test that the program list will continually repeat for the
    // desired length of time
    Uri channelUri = TvContract.buildChannelUri(mChannelMap.keyAt(0));
    Channel firstChannel = mChannelList.get(0);
    TestJobService.TestEpgSyncTask epgSyncTask = mSampleJobService.getDefaultEpgSyncTask();
    mProgramList = mSampleJobService.getProgramsForChannel(channelUri, firstChannel, mStartMs,
            mEndMs);
    List<Program> continuousProgramsList = epgSyncTask.getPrograms(
            firstChannel, mProgramList, mStartMs, mEndMs);
    // There are 336 hours in a two week period, and each program is 15m long
    assertEquals(336 * 60 / 15, continuousProgramsList.size());
}
 

@Test
public void testRepeatProgramDuration() {
    // If repeat-programs is on, schedule the programs sequentially in a loop. To make every
    // device play the same program in a given channel and time, we assumes the loop started
    // from the epoch time.
    long totalDurationMs = 0;
    for (Program program : mProgramList) {
        totalDurationMs += (program.getEndTimeUtcMillis() - program.getStartTimeUtcMillis());
        assertTrue(program.getEndTimeUtcMillis() >= program.getStartTimeUtcMillis());
    }
    long programStartTimeMs = mStartMs - mStartMs % totalDurationMs;
    assertNotSame(0, totalDurationMs);
    assertTrue(programStartTimeMs > 0);
    assertTrue(programStartTimeMs <= mStartMs);
}
 

@Override
public void onStopRecording(Program programToRecord) {
    mIsRecording = false;
    // Add a sample program into our DVR
    notifyRecordingStopped(new RecordedProgram.Builder()
            .setInputId(mInputId)
            .setTitle("That Gmail Blue Video")
            .setRecordingDataUri(TestJobService.GMAIL_BLUE_VIDEO_URL)
            .setStartTimeUtcMillis(System.currentTimeMillis())
            .setEndTimeUtcMillis(System.currentTimeMillis() + 1000 * 60 * 60)
            .build());
}
 

@Override
public boolean onPlayProgram(Program program, long startMs) {
    if (program == null) {
        return false;
    } else {
        mProgram = program;
        Assert.assertNotNull("There is no internal provider data",
                mProgram.getInternalProviderData());
        String videoUrl = program.getInternalProviderData().getVideoUrl();
        return playMediaUrl(videoUrl);
    }
}
 

/**
 * Returns {@code true} if the {@code oldProgram} program is the same as the {@code newProgram}
 * program but should update metadata. This updates the database instead of deleting and
 * inserting a new program to keep the user's intent, eg. recording this program.
 */
public boolean shouldUpdateProgramMetadata(Program oldProgram, Program newProgram) {
    // NOTE: Here, we update the old program if it has the same title and overlaps with the
    // new program. The test logic is just an example and you can modify this. E.g. check
    // whether the both programs have the same program ID if your EPG supports any ID for
    // the programs.
    return oldProgram.getTitle().equals(newProgram.getTitle())
            && oldProgram.getStartTimeUtcMillis() <= newProgram.getEndTimeUtcMillis()
            && newProgram.getStartTimeUtcMillis() <= oldProgram.getEndTimeUtcMillis();
}
 

/**
 * Returns {@code true} if the {@code oldProgram} program is the same as the {@code newProgram}
 * program but should update metadata. This updates the database instead of deleting and
 * inserting a new program to keep the user's intent, eg. recording this program.
 */
public boolean shouldUpdateProgramMetadata(Program oldProgram, Program newProgram) {
    // NOTE: Here, we update the old program if it has the same title and overlaps with the
    // new program. The test logic is just an example and you can modify this. E.g. check
    // whether the both programs have the same program ID if your EPG supports any ID for
    // the programs.
    return oldProgram.getTitle().equals(newProgram.getTitle())
            && oldProgram.getStartTimeUtcMillis() <= newProgram.getEndTimeUtcMillis()
            && newProgram.getStartTimeUtcMillis() <= oldProgram.getEndTimeUtcMillis();
}
 

@Override
public boolean onPlayProgram(Program program, long startMs) {
    if (program == null) {
        return false;
    } else {
        mProgram = program;
        Assert.assertNotNull("There is no internal provider data",
                mProgram.getInternalProviderData());
        String videoUrl = program.getInternalProviderData().getVideoUrl();
        return playMediaUrl(videoUrl);
    }
}
 

private static Program parseProgram(XmlPullParser parser)
        throws IOException, XmlPullParserException, ParseException {
    String channelId = null;
    Long startTimeUtcMillis = null;
    Long endTimeUtcMillis = null;
    String videoSrc = null;
    int videoType = TvContractUtils.SOURCE_TYPE_HTTP_PROGRESSIVE;
    for (int i = 0; i < parser.getAttributeCount(); ++i) {
        String attr = parser.getAttributeName(i);
        String value = parser.getAttributeValue(i);
        if (ATTR_CHANNEL.equalsIgnoreCase(attr)) {
            channelId = value;
        } else if (ATTR_START.equalsIgnoreCase(attr)) {
            startTimeUtcMillis = DATE_FORMAT.parse(value).getTime();
        } else if (ATTR_STOP.equalsIgnoreCase(attr)) {
            endTimeUtcMillis = DATE_FORMAT.parse(value).getTime();
        } else if (ATTR_VIDEO_SRC.equalsIgnoreCase(attr)) {
            videoSrc = value;
        } else if (ATTR_VIDEO_TYPE.equalsIgnoreCase(attr)) {
            if (VALUE_VIDEO_TYPE_HTTP_PROGRESSIVE.equals(value)) {
                videoType = TvContractUtils.SOURCE_TYPE_HTTP_PROGRESSIVE;
            } else if (VALUE_VIDEO_TYPE_HLS.equals(value)) {
                videoType = TvContractUtils.SOURCE_TYPE_HLS;
            } else if (VALUE_VIDEO_TYPE_MPEG_DASH.equals(value)) {
                videoType = TvContractUtils.SOURCE_TYPE_MPEG_DASH;
            }
        }
    }
    String title = null;
    String description = null;
    XmlTvIcon icon = null;
    List<String> category = new ArrayList<>();
    List<TvContentRating> rating = new ArrayList<>();
    List<Advertisement> ads = new ArrayList<>();
    while (parser.next() != XmlPullParser.END_DOCUMENT) {
        String tagName = parser.getName();
        if (parser.getEventType() == XmlPullParser.START_TAG) {
            if (TAG_TITLE.equalsIgnoreCase(parser.getName())) {
                title = parser.nextText();
            } else if (TAG_DESC.equalsIgnoreCase(tagName)) {
                description = parser.nextText();
            } else if (TAG_ICON.equalsIgnoreCase(tagName)) {
                icon = parseIcon(parser);
            } else if (TAG_CATEGORY.equalsIgnoreCase(tagName)) {
                category.add(parser.nextText());
            } else if (TAG_RATING.equalsIgnoreCase(tagName)) {
                TvContentRating xmlTvRating = xmlTvRatingToTvContentRating(parseRating(parser));
                if (xmlTvRating != null) {
                    rating.add(xmlTvRating);
                }
            } else if (TAG_AD.equalsIgnoreCase(tagName)) {
                ads.add(parseAd(parser, TAG_PROGRAM));
            }
        } else if (TAG_PROGRAM.equalsIgnoreCase(tagName)
                && parser.getEventType() == XmlPullParser.END_TAG) {
            break;
        }
    }
    if (TextUtils.isEmpty(channelId)
            || startTimeUtcMillis == null
            || endTimeUtcMillis == null) {
        throw new IllegalArgumentException("channel, start, and end can not be null.");
    }
    InternalProviderData internalProviderData = new InternalProviderData();
    internalProviderData.setVideoType(videoType);
    internalProviderData.setVideoUrl(videoSrc);
    internalProviderData.setAds(ads);
    try {
        return new Program.Builder()
                .setChannelId(channelId.hashCode())
                .setTitle(title)
                .setDescription(description)
                .setPosterArtUri(icon != null ? icon.src : null)
                .setCanonicalGenres(category.toArray(new String[category.size()]))
                .setStartTimeUtcMillis(startTimeUtcMillis)
                .setEndTimeUtcMillis(endTimeUtcMillis)
                .setContentRatings(rating.toArray(new TvContentRating[rating.size()]))
                // NOTE: {@code COLUMN_INTERNAL_PROVIDER_DATA} is a private field
                // where TvInputService can store anything it wants. Here, we store
                // video type and video URL so that TvInputService can play the
                // video later with this field.
                .setInternalProviderData(internalProviderData)
                .build();
    } catch (IllegalArgumentException e) {
        // The program might not have valid start/end time.
        // If that's the case, skip it...
        Log.e(TAG, "Program not valid: Channel id: " + channelId.hashCode() + ", Title: " + title
                + ", Start time: " + startTimeUtcMillis + ", End time: " + endTimeUtcMillis);
        return (null);
    }
}