Java tutorial
//package com.java2s; /* * Copyright 2012 Google Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.content.Intent; public class Main { /** * Intent used to display a message in the screen. */ static final String DISPLAY_MESSAGE_ACTION = "com.test.gcmtest.DISPLAY_MESSAGE"; /** * Intent's extra that contains the message to be displayed. */ static final String EXTRA_MESSAGE = "message"; /** * Notifies UI to display a message. * <p> * This method is defined in the common helper because it's used both by * the UI and the background service. * * @param context application's context. * @param message message to be displayed. */ static void displayMessage(Context context, String message) { Intent intent = new Intent(DISPLAY_MESSAGE_ACTION); intent.putExtra(EXTRA_MESSAGE, message); context.sendBroadcast(intent); } static void displayMessage(Context context, Intent in) { Intent intent = new Intent(DISPLAY_MESSAGE_ACTION); intent.replaceExtras(in); context.sendBroadcast(intent); } }