protected String getDebugString(int playState) {
        return getCurrentPlayer() + Utils.playState2str(playState) + "\n"
                + "video width: " + mControlWrapper.getVideoSize()[0] + " , height: " + mControlWrapper.getVideoSize()[1];
    }
Returns the debugging information string to be shown by the target {@link TextView}.
dkplayer-sample/src/main/java/xyz/doikki/dkplayer/widget/component/DebugInfoView.java