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**你好,我想從我已經填充的Arraylist/ArrayAdapter檢索第二個值。我是Array新手,如果我錯了,請糾正我的錯誤onListItemClick與多元值/檢索值
Q1。我創建了數組收藏夾。我認爲我創建的是一個包含兩組值調用Detail |的數組值。示例Detail =「Yasmin」,Value =「8」。它是否正確? Q2302。我已將Favorite Array指定給mFavlist列表視圖。在OnItemClick期間,我可以通過列表視圖的位置返回標籤「Yasmin」。我想要做的是返回「8」的值。什麼是最好的方法來做到這一點?
請讓我知道如果我在正確的軌道上通過陣列和適配器**
import java.util.ArrayList;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.AdapterView.OnItemClickListener;
public class lister extends Activity {
/** Called when the activity is first created. */
TextView txHomeTeam;
protected ListView mFavlist;
protected ArrayList<Favorite> fakeFavs = new ArrayList<Favorite>();
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
this.setContentView(R.layout.main);
this.txHomeTeam = (TextView)this.findViewById(R.id.title);
fakeFavs.add(new Favorite("John", "1"));
fakeFavs.add(new Favorite("Yasmin", "8"));
fakeFavs.add(new Favorite("Jack", "10"));
//this.mFavlist = (ListView) this.findViewById(R.id.list_favorites);
this.mFavlist = (ListView) this.findViewById(R.id.list_favorites);
initListView();
mFavlist.setTextFilterEnabled(true);
mFavlist.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView arg0, View view,
int position, long id) {
// user clicked a list item,
//and read the value from <Favorite>.value
//txHomeTeam.setText=????
}
});
}
public void refreshFavListItems() {
mFavlist.setAdapter(new ArrayAdapter<Favorite>(this,
android.R.layout.simple_list_item_1, fakeFavs));
}
public void initListView() {
/* Loads the items to the ListView. */
refreshFavListItems();
}
protected class Favorite {
protected String Detail;
protected String value;
protected Favorite(String Detail, String value) {
this.Detail = Detail;
this.value = value;
}
public String toString() {
return Detail;
}
}
}
你有在這裏沒有問任何問題。問題是什麼?有什麼症狀?你是否收到錯誤消息? – CommonsWare 2010-05-22 22:54:42
我很抱歉,如果有任何混淆,我有問題的代碼塊。我會更新主要部分 – JuniorFlip 2010-05-23 00:53:52