我有一个使用 JSON 方法收集评论的异步任务。我希望将评论发送到扩展 baseAdapter 的新类，以便可以将它们放置在 listView 中，我该怎么做？这是我当前的代码
class loadComments extends AsyncTask<JSONObject, String, JSONObject> {
private ArrayAdapter<String> mAdapter = null;
@Override
protected void onPreExecute() {
super.onPreExecute();
}
@Override
protected void onProgressUpdate(String... values) {
super.onProgressUpdate(values);
}
protected JSONObject doInBackground(JSONObject... params) {
JSONObject json2 = CollectComments.collectComments(usernameforcomments, offsetNumber);
return json2;
}
@Override
protected void onPostExecute(JSONObject json2) {
try {
if (json2.getString(KEY_SUCCESS) != null) {
registerErrorMsg.setText("");
String res2 = json2.getString(KEY_SUCCESS);
if(Integer.parseInt(res2) == 1) {
l1=(ListView)findViewById(R.id.list);
JSONArray commentArray = json2.getJSONArray(KEY_COMMENT);
final String comments[] = new String[commentArray.length()];
for ( int i=0; i<commentArray.length(); i++ ) {
comments[i] = commentArray.getString(i);
}
JSONArray numberArray = json2.getJSONArray(KEY_NUMBER);
String numbers[] = new String[numberArray.length()];
for ( int i=0; i<numberArray.length(); i++ ) {
numbers[i] = numberArray.getString(i);
}
JSONArray usernameArray = json2.getJSONArray(KEY_USERNAME);
String usernames[] = new String[usernameArray.length()];
for ( int i=0; i<usernameArray.length(); i++ ) {
usernames[i] = usernameArray.getString(i);
}
}//end if key is == 1
else{
// Error in registration
registerErrorMsg.setText(json2.getString(KEY_ERROR_MSG));
}//end else
}//end if
} //end try
catch (JSONException e) {
e.printStackTrace();
}//end catch
}
}
new loadComments().execute();
这是我的类，需要字符串、注释、用户名和数字。数字是字符串而不是整数！
class MySimpleArrayAdapter extends ArrayAdapter<String> {
private final Context context;
public MySimpleArrayAdapter(Context context, String[] comments) {
super(context, R.layout.list_item, values);
this.context = context;
this.values = values;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View rowView = inflater.inflate(R.layout.list_item, parent, false);
TextView commentView = (TextView) rowView.findViewById(R.id.listComment);
TextView usernameView = (TextView) rowView.findViewById(R.id.listPostedBy);
TextView numberView = (TextView) rowView.findViewById(R.id.listNumber);
commentView.setText(comments[position]);
return rowView;
}
}