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5 unchanged · 5 modified · 0 moved · 2 only in 13 · 3 only in 16

modified Same code location, different body

These chunks live at the same (file, symbol) in both versions but have different content hashes — so the code definitely changed between android-13.0.0_r84 and android-16.0.0_r4.

  1. packages/apps/CellBroadcastReceiver/src/com/android/cellbroadcastreceiver/CellBroadcastAlertService.java CellBroadcastAlertService.createNotificationChannels

    AOSP 13 android-13.0.0_r84

    lines 831–864 0.67
    CellBroadcastAlertService.createNotificationChannels ·method ·java · first seen r1 
    static void createNotificationChannels(Context context) {
        NotificationManager notificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE)

    AOSP 16 android-16.0.0_r4

    lines 1036–1089 0.66
    CellBroadcastAlertService.createNotificationChannels ·method ·java · first seen r1 
    static void createNotificationChannels(Context context) {
        NotificationManager notificationManager =
                (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE)
  2. packages/apps/Traceur/src/com/android/traceur/Receiver.java Receiver.createNotificationChannels

    AOSP 13 android-13.0.0_r84

    lines 294–315 0.67
    Receiver.createNotificationChannels ·method ·java · first seen r1 
    private static void createNotificationChannels(Context context) {
        NotificationChannel tracingChannel = new NotificationChannel(
            NOTIFICATION_CHANNEL_TRACING,
            context.ge

    AOSP 16 android-16.0.0_r4

    lines 334–357 0.67
    Receiver.createNotificationChannels ·method ·java · first seen r1 
    private static void createNotificationChannels(Context context) {
        NotificationChannel tracingChannel = new NotificationChannel(
            NOTIFICATION_CHANNEL_TRACING,
            context.ge
  3. frameworks/base/core/java/android/app/NotificationManager.java NotificationManager.getNotificationChannels

    AOSP 13 android-13.0.0_r84

    lines 992–1000 0.67
    NotificationManager.getNotificationChannels ·method ·java · first seen r1 
    public List<NotificationChannel> getNotificationChannels() {
        INotificationManager service = getService();
        try {
            return service.getNotificationChannels(mContext.getOpPackage

    AOSP 16 android-16.0.0_r4

    lines 1354–1376 0.66
    NotificationManager.getNotificationChannels ·method ·java · first seen r3 
    @UserHandleAware(specialUsersAllowed = SpecialUser.DISALLOW_EVERY)
    public List<NotificationChannel> getNotificationChannels() {
        if (Flags.nmBinderPerfCacheChannels()) {
            List<No
  4. frameworks/base/core/java/android/app/NotificationManager.java NotificationManager.createNotificationChannels

    AOSP 13 android-13.0.0_r84

    lines 935–943 0.66
    NotificationManager.createNotificationChannels ·method ·java · first seen r1 
    public void createNotificationChannels(@NonNull List<NotificationChannel> channels) {
        INotificationManager service = getService();
        try {
            service.createNotificationChannels(

    AOSP 16 android-16.0.0_r4

    lines 1275–1283 0.66
    NotificationManager.createNotificationChannels ·method ·java · first seen r1 
    public void createNotificationChannels(@NonNull List<NotificationChannel> channels) {
        INotificationManager service = service();
        try {
            service.createNotificationChannels(mCo
  5. packages/providers/DownloadProvider/src/com/android/providers/downloads/DownloadNotifier.java DownloadNotifier.DownloadNotifier

    AOSP 13 android-13.0.0_r84

    lines 95–109 0.66
    DownloadNotifier.DownloadNotifier ·constructor ·java · first seen r1 
    public DownloadNotifier(Context context) {
        mContext = context;
        mNotifManager = context.getSystemService(NotificationManager.class);

        // Ensure that all our channels are ready t

    AOSP 16 android-16.0.0_r4

    lines 96–118 0.66
    DownloadNotifier.DownloadNotifier ·constructor ·java · first seen r1 
    public DownloadNotifier(Context context) {
        mContext = context;
        mNotifManager = context.getSystemService(NotificationManager.class);

        // Ensure that all our channels are ready t

only in 13 Removed or refactored away in 16

Matched the query in AOSP 13 (android-13.0.0_r84) but didn't appear in the top results for AOSP 16. They may have been removed, or refactored beyond the query's reach.

  1. platform_testing/tests/functional/notificationtests/src/com/android/notification/functional/NotificationHelper.java 0.67
    NotificationHelper.getChannel· lines 289–307 ·java · AOSP 13 
    public NotificationChannel getChannel(boolean buzz) {
        String id = (buzz ? BUZZY_CHANNEL_ID : QUIET_CHANNEL_ID);
        String name = (buzz ? "This channel is buzzy" : "This channel is quiet")
  2. packages/apps/DocumentsUI/src/com/android/documentsui/services/FileOperationService.java 0.66
    FileOperationService.setUpNotificationChannel· lines 175–183 ·java · AOSP 13 
    private void setUpNotificationChannel() {
        if (features.isNotificationChannelEnabled()) {
            NotificationChannel channel = new NotificationChannel(
                    NOTIFICATION_CHA

only in 16 New in 16 (or refactored from elsewhere)

Matched the query in AOSP 16 (android-16.0.0_r4) but didn't appear in the top results for AOSP 13. Likely added in this version, or refactored from older code that no longer matches the query.

  1. frameworks/base/core/java/android/app/NotificationManager.java 0.67
    NotificationManager.apply· lines 1535–1544 ·java · AOSP 16 · first seen r1 
    @Override
                public List<NotificationChannel> apply(NotificationChannelQuery query) {
                    INotificationManager service = service();
                    try {
  2. frameworks/base/services/core/java/com/android/server/pm/BackgroundUserSoundNotifier.java 0.66
    BackgroundUserSoundNotifier.createNotificationChannel· lines 90–95 ·java · AOSP 16 · first seen r1 
    private void createNotificationChannel() {
        NotificationChannel channel = new NotificationChannel(BUSN_CHANNEL_ID, BUSN_CHANNEL_NAME,
                NotificationManager.IMPORTANCE_HIGH);
  3. packages/apps/DeskClock/src/com/android/deskclock/data/TimerNotificationBuilder.kt 0.66
    TimerNotificationBuilder.buildChannel· lines 64–72 ·kotlin · AOSP 16 · first seen r1 
    fun buildChannel(context: Context, notificationManager: NotificationManagerCompat) {
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.O) {
            val channel = Notif

unchanged Byte-identical across both versions

These chunks share the same content hash (chunk_id) in both versions — their bodies are byte-for-byte identical. The match is guaranteed by construction, not inferred from a similarity heuristic.

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