listview根据关键字滚动指定位置

Question

在android的listview中加载了从数据库查找的数据（100多条），
现在想通过 输入‘关键字’，让listview滚动到相应包含此关键字的项
比如 listview绑定了
String arr[] = {"111","222","333","55","666","www","eee","rrr","bbb","yyy","ppp","xxx"};

Answer 1

item.getText().contains("key");
此时item有positon
listview.setSelection(position);