我想根据autocompletetextview中的国家/地区类型更新州名单。我使用了下面的代码。它第一次正常工作。我写国家但是一旦我编辑了国家名称。它没有更新状态列表（使用notifyDataSetChanged但它不起作用）。请检查代码。谢谢！
AutoCompleteTextView country_edit,state_edit;
for (int i = 1; i < global.getExcel().length; i++) {
String[] separated = global.getExcel()[i].split(",");
code = separated[0]; // this will contain "Fruit"
country = separated[1];
Log.e("length", code + "==" + country);
Log.e("sep", separated + "====" + global.getExcel()[i]);
countrylist.add(country);
codelist.add(code);
Log.e("countrylist", countrylist + "==");
}
// ============================================= = ArrayAdapter Country＆amp;状态
final ArrayAdapter<String> country_adapter = new ArrayAdapter<String>
(this, R.layout.custom_autolistview_list, R.id.text1, countrylist);
country_edit.setThreshold(1);
country_edit.setAdapter(country_adapter);
final ArrayAdapter<String> state_adapter = new ArrayAdapter<String>
(this, R.layout.custom_autolistview_list, R.id.text1, State_array);
state_edit.setThreshold(1);
state_edit.setAdapter(state_adapter);
state_edit.setDropDownHeight(WRAP_CONTENT);
state_adapter.notifyDataSetChanged();
country_edit.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// Log.e("country", country_edit.getText().toString());
country_str = country_edit.getText().toString();
// Log.e("country", country_str);
int index = countrylist.indexOf(country_str);
Log.e("index", index + "");
String code_index = codelist.get(index);
Log.e("code", code_index);
State_list.clear();
State_array.clear();
for (int i = 0; i < global.getState().length; i++) {
if (global.getState()[i].contains("," + code_index + ",")) {
String statelist = global.getState()[i];
Log.e("statelist", statelist);
State_list.add(statelist);
Log.e("State", State_list + "");
state_name = "";
for (int j = 0; j < State_list.size(); j++) {
String[] statelist_array = State_list.get(j).split(",");
state_name = statelist_array[0];
String state_code = statelist_array[1];
Log.e("state_code", state_code);
Log.e("state_name", state_name);
}
Log.e("Stateeeeeeeee", State_array + "");
State_array.add(state_name);
Log.e("Stateeeeeeeeeeeeeeee", State_array + "");
}
state_ll.setVisibility(View.VISIBLE);
}
state_adapter.notifyDataSetChanged();
}
});