当我点击一个 button search 时,我想在 listview 中显示 image 和 text。但是在 setListAdapter(new MobileArrayAdapter(this, PNames,PImages));
这里出现错误。有两个类。
当我显示 onformLoad,可以正常运行。现在我需要使用一个按钮来显示。如何实现?
其中的一个类:
B_KZN.setOnClickListener(new View .OnClickListener() {
@Override
public void onClick(View Kv) {
// TODO Auto-generated method stub
JSONObject json = JSONfunctions.getJSONfromURL("http://10.0.2.2/php/p.php");
try{
JSONArray earthquakes = json.getJSONArray("SKZN");
for(int i=0;i<earthquakes.length();i++){
JSONObject e = earthquakes.getJSONObject(i);
String BookName = e.getString("P_City");
PNames.add(BookName);
String BookImg = e.getString("Pname");
PImages.add(BookImg);
}
}catch(JSONException e){
Log.e("log_tag", "Error parsing data "+e.toString());
}
setListAdapter(new MobileArrayAdapter(this, PNames,PImages));
第二个类:
public class MobileArrayAdapter extends ArrayAdapter<String> {
private final Context context;
private final String[] myBookNamelist = null;
private ArrayList<String> MyP = new ArrayList<String>();
private ArrayList<String> myPurl = new ArrayList<String>();
public MobileArrayAdapter(Context context,ArrayList<String> Bname,ArrayList<String> BUrl) {
super(context, R.layout.list_mobile, Bname);
this.context = context;
this.MyP = Bname;
this.myPurl = BUrl;
}
错误是:The constructor MobileArrayAdapter(new View.OnClickListener(){}, ArrayList<String>, ArrayList<String>) is undefined
。