faceDialog = new AlertDialog.Builder(ctx).create(); GridView faceView = (GridView) LayoutInflater.from(ctx).inflate(R.layout.facedialog, null); faceView.setCacheColorHint(0); faceView.setAdapter(this); //0,0,0,0设置去除dialog的四周边框 faceDialog.setView(faceView,0,0,0,0);