我想为我的 android 应用程序实现推送通知。我在网上查了一下，看到了来自 androidhive.com 的一个不错的教程。我一步一步地跟着它，但最终它没有用。我制作了 7 个 php 文件来实现服务器端。我在 000webhost 上创建了我的服务器，并创建了它所需的数据库。我的设备成功注册到我的应用服务器，也可以在数据库中看到条目。但是，我的 google api 控制台显示没有连接到任何设备。我觉得我的服务器和 GCM 之间的连接可能存在错误，但这只是猜测，我不知道真正的问题。这是我的 7 个 php 文件。
config.php
<?php
/**
* Database config variables
*/
define("DB_HOST", "mysql9.000webhost.com");
define("DB_USER", "a4307731_enthu");
define("DB_PASSWORD", "(my_password)");
define("DB_DATABASE", "a4307731_GCM");
/*
* Google API Key
*/
define("GOOGLE_API_KEY", "My api key");
?>
db_connect.php
<?php
class DB_Connect {
// constructor
function __construct() {
}
// destructor
function __destruct() {
// $this->close();
}
// Connecting to database
public function connect() {
require_once 'config.php';
// connecting to mysql
$con = mysql_connect(DB_HOST, DB_USER, DB_PASSWORD);
// selecting database
mysql_select_db(DB_DATABASE);
// return database handler
return $con;
}
// Closing database connection
public function close() {
mysql_close();
}
}
?>
db_functions.php
<?php
class DB_Functions {
private $db;
//put your code here
// constructor
function __construct() {
include_once './db_connect.php';
// connecting to database
$this->db = new DB_Connect();
$this->db->connect();
}
// destructor
function __destruct() {
}
/**
* Storing new user
* returns user details
*/
public function storeUser($name, $email, $gcm_regid) {
// insert user into database
$result = mysql_query("INSERT INTO gcm_users(name, email, gcm_regid, created_at) VALUES('$name', '$email', '$gcm_regid', NOW())");
// check for successful store
if ($result) {
// get user details
$id = mysql_insert_id(); // last inserted id
$result = mysql_query("SELECT * FROM gcm_users WHERE id = $id") or die(mysql_error());
// return user details
if (mysql_num_rows($result) > 0) {
return mysql_fetch_array($result);
} else {
return false;
}
} else {
return false;
}
}
/**
* Getting all users
*/
public function getAllUsers() {
$result = mysql_query("select * FROM gcm_users");
return $result;
}
}
?>
GCM.php
<?php
class GCM {
//put your code here
// constructor
function __construct() {
}
/**
* Sending Push Notification
*/
public function send_notification($registatoin_ids, $message) {
// include config
include_once './config.php';
// Set POST variables
$url = 'https://android.googleapis.com/gcm/send';
$fields = array(
'registration_ids' => $registatoin_ids,
'data' => $message,
);
$headers = array(
'Authorization: key=' . GOOGLE_API_KEY,
'Content-Type: application/json'
);
// Open connection
$ch = curl_init();
// Set the url, number of POST vars, POST data
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// Disabling SSL Certificate support temporarly
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($fields));
// Execute post
$result = curl_exec($ch);
if ($result === FALSE) {
die('Curl failed: ' . curl_error($ch));
}
// Close connection
curl_close($ch);
echo $result;
}
}
?>
register.php
<?php
// response json
$json = array();
/**
* Registering a user device
* Store reg id in users table
*/
if (isset($_POST["name"]) && isset($_POST["email"]) && isset($_POST["regId"])) {
$name = $_POST["name"];
$email = $_POST["email"];
$gcm_regid = $_POST["regId"]; // GCM Registration ID
// Store user details in db
include_once './db_functions.php';
include_once './GCM.php';
$db = new DB_Functions();
$gcm = new GCM();
$res = $db->storeUser($name, $email, $gcm_regid);
$registatoin_ids = array($gcm_regid);
$message = array("price" => "Welcome To Enthusia Updates");
$result = $gcm->send_notification($registatoin_ids, $message);
echo $result;
} else {
// user details missing
}
?>
send_message.php
<?php
if (isset($_GET["regId"]) && isset($_GET["message"])) {
$regId = $_GET["regId"];
$message = $_GET["message"];
include_once './GCM.php';
$gcm = new GCM();
$registatoin_ids = array($regId);
$message = array("price" => $message);
$result = $gcm->send_notification($registatoin_ids, $message);
echo $result;
}
?>
index.php
<!DOCTYPE html>
<html>
<head>
<title></title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.2/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
});
function sendPushNotification(id){
var data = $('form#'+id).serialize();
$('form#'+id).unbind('submit');
$.ajax({
url: "send_message.php",
type: 'GET',
data: data,
beforeSend: function() {
},
success: function(data, textStatus, xhr) {
$('.txt_message').val("");
},
error: function(xhr, textStatus, errorThrown) {
}
});
return false;
}
</script>
<style type="text/css">
.container{
width: 950px;
margin: 0 auto;
padding: 0;
}
h1{
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: 24px;
color: #777;
}
div.clear{
clear: both;
}
ul.devices{
margin: 0;
padding: 0;
}
ul.devices li{
float: left;
list-style: none;
border: 1px solid #dedede;
padding: 10px;
margin: 0 15px 25px 0;
border-radius: 3px;
-webkit-box-shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
-moz-box-shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
box-shadow: 0 1px 5px rgba(0, 0, 0, 0.35);
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
color: #555;
}
ul.devices li label, ul.devices li span{
font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
font-size: 12px;
font-style: normal;
font-variant: normal;
font-weight: bold;
color: #393939;
display: block;
float: left;
}
ul.devices li label{
height: 25px;
width: 50px;
}
ul.devices li textarea{
float: left;
resize: none;
}
ul.devices li .send_btn{
background: -webkit-gradient(linear, 0% 0%, 0% 100%, from(#0096FF), to(#005DFF));
background: -webkit-linear-gradient(0% 0%, 0% 100%, from(#0096FF), to(#005DFF));
background: -moz-linear-gradient(center top, #0096FF, #005DFF);
background: linear-gradient(#0096FF, #005DFF);
text-shadow: 0 1px 0 rgba(0, 0, 0, 0.3);
border-radius: 3px;
color: #fff;
}
</style>
</head>
<body>
<?php
include_once 'db_functions.php';
$db = new DB_Functions();
$users = $db->getAllUsers();
if ($users != false)
$no_of_users = mysql_num_rows($users);
else
$no_of_users = 0;
?>
<div class="container">
<h1>No of Devices Registered: <?php echo $no_of_users; ?></h1>
<hr/>
<ul class="devices">
<?php
if ($no_of_users > 0) {
?>
<?php
while ($row = mysql_fetch_array($users)) {
?>
<li>
<form id="<?php echo $row["id"] ?>" name="" method="post" onsubmit="return sendPushNotification('<?php echo $row["id"] ?>')">
<label>Name: </label> <span><?php echo $row["name"] ?></span>
<div class="clear"></div>
<label>Email:</label> <span><?php echo $row["email"] ?></span>
<div class="clear"></div>
<div class="send_container">
<textarea rows="3" name="message" cols="25" class="txt_message" placeholder="Type message here"></textarea>
<input type="hidden" name="regId" value="<?php echo $row["gcm_regid"] ?>"/>
<input type="submit" class="send_btn" value="Send" onclick=""/>
</div>
</form>
</li>
<?php }
} else { ?>
<li>
No Users Registered Yet!
</li>
<?php } ?>
</ul>
</div>
</body>
</html>
以防万一，您需要查看我获得教程的链接。这是 http://www.androidhive.info/2012/10/android-push-notifications-using-google-cloud-messaging-gcm-php-and-mysql/