Android 之EditText自动检索Listview中的数据

1.直接上代码吧。

public class MainActivity extends Activity {    private ListView mlistview;    private EditText medittext;    List<PersionInfo>lists=new ArrayList<PersionInfo>();    private PersionInfoAdapter mAdapter;    //造数据    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);        mlistview=(ListView) findViewById(R.id.mlistview);        medittext=(EditText) findViewById(R.id.medittext);        //造数据        lists.add(new PersionInfo("易皇星", "测试数据"));        lists.add(new PersionInfo("易皇星", "测试数据"));        lists.add(new PersionInfo("测试", "测试数据"));        lists.add(new PersionInfo("测试", "测试数据"));        //        mAdapter=new PersionInfoAdapter(this, lists);        mlistview.setAdapter(mAdapter);        //        medittext.addTextChangedListener(new TextWatcher() {            @Override            public void onTextChanged(CharSequence s, int start, int before, int count) {                filterData(s.toString());            }            @Override            public void beforeTextChanged(CharSequence s, int start, int count,                    int after) {                // TODO Auto-generated method stub            }            @Override            public void afterTextChanged(Editable s) {                // TODO Auto-generated method stub            }        });    }    class PersionInfoAdapter extends BaseAdapter{        private  List<PersionInfo>lists;        private Context context;        private LayoutInflater imInflater;        public PersionInfoAdapter(Context context,List<PersionInfo>lists){            this.context=context;            this.lists=lists;            imInflater = LayoutInflater.from(context);        }        //刷新adapter方法        public void updateListView(List<PersionInfo> newlists){            lists=newlists;  //重新赋值            notifyDataSetChanged();  //刷新        }        @Override        public int getCount() {            // TODO Auto-generated method stub            return lists.size();        }        @Override        public Object getItem(int position) {            // TODO Auto-generated method stub            return lists.get(position);        }        @Override        public long getItemId(int position) {            // TODO Auto-generated method stub            return position;        }        @Override        public View getView(int position, View convertView, ViewGroup parent) {            //这里就不进行优化了            View inflate = imInflater.inflate(R.layout.listview_item, null);            TextView tv_name=(TextView) inflate.findViewById(R.id.tv_name);            TextView tv_hobby=(TextView) inflate.findViewById(R.id.tv_hobby);            PersionInfo persionInfo = lists.get(position);            tv_name.setText(persionInfo.getName());            tv_hobby.setText(persionInfo.getHobby());            return inflate;        }    }    /**     * 根据输入框中的值来过滤数据并更新ListView     * @param filterStr     */    private void filterData(String mesg){        //创建新的集合        List<PersionInfo> newlists=new ArrayList<PersionInfo>();        if(TextUtils.isEmpty(mesg)){            newlists=lists;        }else {            newlists.clear();            //根据lists集合中的对象字段名过滤            for(PersionInfo sortModel : lists){                String name = sortModel.getName();                if(name.indexOf(mesg.toString()) != -1 ){                //重新添加到新的集合中                    newlists.add(sortModel);                }            }        }        // 不管怎么样都要刷新        mAdapter.updateListView(newlists);    }}

2.效果图。