TV 中如何用Java播放本地视频

private void play() {

    switch (currentState) {

        case IDLE:

            PlayService.getInstance().play("entry/resources/rawfile/data/123.mp4", 0, surfaceView);

            progress_bar.setMax(PlayService.getInstance().getAudioDuration());

            total_time.setText(PlayService.getInstance().getDurationText());

            startTimer();

            currentState = PLAY;

            break;

        case PLAY:

            PlayService.getInstance().pause();

                play.setPixelMap(ResourceTable.Media_ic_music_play);

            currentState = PAUSE;

            break;

        case PAUSE:

            PlayService.getInstance().resume();

            if (play.hasFocus()) {

                play.setPixelMap(ResourceTable.Media_music_stop);

            } else {

                play.setPixelMap(ResourceTable.Media_ic_music_stop);

            }

            currentState = PLAY;

            break;

    }

}
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