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Commit 4e937fa7 authored by Beth Thibodeau's avatar Beth Thibodeau
Browse files

Fix null pointer exceptions 

Possible NPE issue that was seen in some bug reports where the playback state
or metadata was null after closing an app. Also added useful debug messages

Test: manual
Fixes: 129847573
Fixes: 129973823
Change-Id: I76d9f465072831dfe3457751a39e82bdd9b049b7
(cherry picked from commit 58e0ee0d)
parent f5096afd

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationMediaTemplateViewWrapper.java

+22 −14
Original line number Diff line number Diff line
@@ -200,21 +200,25 @@ public class NotificationMediaTemplateViewWrapper extends NotificationTemplateVi 


    private boolean canSeekMedia() {

        if (mMediaController == null || mMediaController.getPlaybackState() == null) {

            Log.d(TAG, "Cannot seek media because the controller is invalid");

            return false;

        }



        long actions = mMediaController.getPlaybackState().getActions();

        Log.d(TAG, "Playback state actions are " + actions);

        return (actions == 0 || (actions & PlaybackState.ACTION_SEEK_TO) != 0);

    }



    protected final Runnable mUpdatePlaybackUi = new Runnable() {

        @Override

        public void run() {

            if (mMediaController != null && mMediaController.getMetadata() != null

                    && mSeekBar != null) {

                long position = mMediaController.getPlaybackState().getPosition();

                long duration = mMediaController.getMetadata().getLong(

                        MediaMetadata.METADATA_KEY_DURATION);

            if (mMediaController != null && mSeekBar != null) {

                MediaMetadata metadata = mMediaController.getMetadata();

                PlaybackState playbackState = mMediaController.getPlaybackState();



                if (metadata != null && playbackState != null) {

                    long position = playbackState.getPosition();

                    long duration = metadata.getLong(MediaMetadata.METADATA_KEY_DURATION);



                    if (mDuration != duration) {

                        mDuration = duration;
@@ -225,7 +229,11 @@ public class NotificationMediaTemplateViewWrapper extends NotificationTemplateVi 


                    mSeekBarElapsedTime.setText(millisecondsToTimeString(position));

                } else {

                // We no longer have a media session / notification

                    Log.d(TAG, "Controller missing data " + metadata + " " + playbackState);

                    clearTimer();

                }

            } else {

                Log.d(TAG, "No longer have a valid media controller");

                clearTimer();

            }

        }