android:maxLines与android:ellipsize冲突

http://stackoverflow.com/questions/11210553/setting-ellipsize-on-textview-reduces-lines-shown-by-one-instead-of-only-ellip

TextView snippet;
snippet.setText("loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor loren ipsum dolor ")
ViewTreeObserver vto = this.snippet.getViewTreeObserver();
vto.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {

    @Override
    public void onGlobalLayout() {
        ViewTreeObserver obs = snippet.getViewTreeObserver();
        obs.removeGlobalOnLayoutListener(this);
        if (snippet.getLineCount() > 3) {
            int lineEndIndex = snippet.getLayout().getLineEnd(2);
            String text = snippet.getText().subSequence(0, lineEndIndex - 3) + "...";
            snippet.setText(text);
        }
    }
});