在声明实例化一个listview，并已经将数据myshow[]放入listview之中。现在想在点中listview里面某个内容之后的，更换掉listview的内容，显示另一个数组的内容。感觉这部分的操作很常用，但是好难找到这部分操作的代码或者是讲解。难道大家不是用这用方法的吗显示内容的吗？
谢大家为我解疑，不胜荣幸。
public class MainActivity extends Activity {
private CharSequence myshow[] = {"快乐大本营","O记快餐","大碗饭"};
private Spinner mealchoose = null;
private ListView showList = null;
private CharSequence promt = null;
ArrayAdapter<CharSequence> shopAdapter = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showList = (ListView) super.findViewById(R.id.shoplist);
shopAdapter = new ArrayAdapter<CharSequence>(this,android.R.layout.simple_expandable_list_item_1,this.myshow);
showList.setAdapter(shopAdapter);
showList.setOnItemClickListener(new ShopReaction());
mealchoose = (Spinner) super.findViewById(R.id.spinner);
promt = "choose";
mealchoose.setPrompt(promt);
mealchoose.setOnItemSelectedListener(new mealReaction());
} private class ShopReaction implements OnItemClickListener{
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
}
}listviewandroid
谢大家为我解疑，不胜荣幸。
public class MainActivity extends Activity {
private CharSequence myshow[] = {"快乐大本营","O记快餐","大碗饭"};
private Spinner mealchoose = null;
private ListView showList = null;
private CharSequence promt = null;
ArrayAdapter<CharSequence> shopAdapter = null;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
showList = (ListView) super.findViewById(R.id.shoplist);
shopAdapter = new ArrayAdapter<CharSequence>(this,android.R.layout.simple_expandable_list_item_1,this.myshow);
showList.setAdapter(shopAdapter);
showList.setOnItemClickListener(new ShopReaction());
mealchoose = (Spinner) super.findViewById(R.id.spinner);
promt = "choose";
mealchoose.setPrompt(promt);
mealchoose.setOnItemSelectedListener(new mealReaction());
} private class ShopReaction implements OnItemClickListener{
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
}
}listviewandroid
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long id) {中会出现报错，而且这种方法虽然说能实现我说的功能，但是这样子的话，会出现一定浪费资源。