我想用自定义数据填充我的 ListView ,所以我创建了这个扩展 BaseAdapter
的类:
public class PersonAdapter extends BaseAdapter{
List<Person> persons= getDataforListViewList();
@Override
public int getCount() {
// TODO Auto-generated method stub
return persons.size();
}
@Override
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return persons.get(arg0);
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(int arg0, View arg1, ViewGroup arg2) {
if(arg1==null)
{
LayoutInflater inflater = (LayoutInflater) MainActivity.this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
arg1 = inflater.inflate(R.layout.listitem, arg2,false);
}
TextView Name = (TextView)arg1.findViewById(R.id.txtName);
TextView PhoneNumber = (TextView)arg1.findViewById(R.id.txtPhone);
Person person = persons.get(arg0);
Name.setText(person.name);
PhoneNumber.setText(person.phoneNumber);
return arg1;
}
}
然后我以这种方式填充我的 ListView :
PersonAdapter pe;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
pe=new PersonAdapter();
ListView personListView = (ListView)findViewById(R.id.listView1);
personListView.setAdapter(pe);
EditText inputSearch=(EditText) findViewById(R.id.inputSearch);
txtEditText.addTextChangedListener(new TextWatcher() {
@Override
public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) {
// TODO Auto-generated method stub
}
}
上面的代码工作正常,现在我想为我的 ListView 添加搜索功能,我该怎么做?
最佳答案
您可以使用 Filter 类,该类将使用编辑文本 addTextChangedListener
过滤 ListView 中的每个数据..
myFilter.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
dataAdapter.getFilter().filter(s.toString());
}
});
您需要创建一个扩展 Filter 的类。
有很好的例子here
关于机器人 : search in custom listview,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/23718844/