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|
class MyTask extends AsyncTask<.....>
{
public static interface OnTaskResults
{
public void onTaskFailed(Throwable t);
public void onTaskSucceeded(JSONArray array);
}
private Throwable error = null;
private OnTaskResults callback = null;
public MyTask(OnTaskResults cb) {
this.callback = cb;
}
public JSONArray doInBackground() {
JSONArray ret = null;
try {
...
} catch (Throwable t) {
this.error = t;
}
return ret;
}
public void onPostExecute(JSONArray result) {
if (result != null)
this.callback.onTaskSucceeded(result);
else
this.callback.onTaskFailed(this.error);
}
} |
