Android消息推送之GCM服务端

package com.ives.server; import java.io.IOException; import com.google.android.gcm.server.Constants; import com.google.android.gcm.server.Message; import com.google.android.gcm.server.Result; import com.google.android.gcm.server.Sender; public class Main { private static final String apiKey = "AIzaSyBVDLKZBI_3jOKjXwMVUQysCRkYC173bRE"; private static String deviceRegId = "APA91bE7A4ZlwR1rVtAUeJsaeUa7hxc5z-aLxwYdOhPRwSNfc7QUsqJVZ5R4ujxlxMvMACHHbqqm5RH-AO6U7WkVAciDl5YhSuDqp9IrXjdvKZXDYtG7drIG-HfJAxwyzPW16sfjy-_YLZAabJz8qv9mzjjers93jQ"; /** * @param args */ public static void main(String[] args) { Sender sender = new Sender(apiKey); Message message = new Message.Builder().addData("mine", "test2").build(); Result result = null; try { result = sender.send(message, deviceRegId, 5); System.out.println(result.getMessageId()); System.out.println(result.getCanonicalRegistrationId()); System.out.println(result.getErrorCodeName()); } catch (IOException e) { e.printStackTrace(); } //为空，则消息未发送给任何设备 if (result.getMessageId() != null) { String canonicalRegId = result.getCanonicalRegistrationId(); //用户注册了新的注册id，或者谷歌服务器刷新了注册id。 //用户注册了新id，旧的id会被保存一段时间。此时使用旧id发送消息，设备即使已使用新id，依然可以收到 if (canonicalRegId != null) { // same device has more than on registration ID: update database } } else { String error = result.getErrorCodeName(); if (error.equals(Constants.ERROR_NOT_REGISTERED)) { // application has been removed from device - unregister database } } } }