摘要：
android的listview的addheaderView总是出现空指针的错误，网上的处理方法如下：// This doesn't work... nullPointerExceptionListView lv = (ListView) findViewById(R.id.my_list_view);TextView header = (TextView) findViewById(R.id.my_header);lv.addHeaderView(header);// This works fineListView lv = (ListView) findViewById(R.id. 阅读全文