Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.alerts.callback; import android.content.Context; import com.liferay.alerts.activity.CommentsActivity; import com.liferay.alerts.model.Alert; import com.liferay.alerts.model.User; import com.liferay.alerts.util.ToastUtil; import com.liferay.mobile.android.task.callback.typed.JSONArrayAsyncTaskCallback; import java.util.ArrayList; import org.json.JSONArray; import org.json.JSONObject; /** * @author Bruno Farache */ public class FetchCommentsCallback extends JSONArrayAsyncTaskCallback { public FetchCommentsCallback(Context context) { _context = context.getApplicationContext(); } @Override public void onFailure(Exception exception) { ToastUtil.show(_context, exception.getMessage()); } @Override public void onSuccess(JSONArray result) { try { ArrayList<Alert> alerts = new ArrayList<>(); for (int i = 0; i < result.length(); i++) { JSONObject jsonObject = result.getJSONObject(i); long id = jsonObject.getLong(Alert.PUSH_NOTIFICATIONS_ENTRY_ID); JSONObject userJSONObject = jsonObject.getJSONObject(Alert.USER); User user = new User(userJSONObject); JSONObject payload = new JSONObject(jsonObject.getString(Alert.PAYLOAD)); alerts.add(new Alert(id, user, payload)); } CommentsActivity.updateCommentsList(_context, alerts); } catch (Exception e) { ToastUtil.show(_context, e.getMessage()); } } private Context _context; }