我有这个代码来推送通知（GCM）但是当我试图推送通知时我得到了空通知（我的消息字符串丢失了）
的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 $row["gcm_regid"] ?>"/>
<input type="submit" class="send_btn" value="Send" onclick=""/>
</div>
</form>
</li>
<?php }
} else { ?>
<li>
No Users Registered Yet!
</li>
<?php } ?>
</ul>
</div>
</body>
</html>
send_message.php
<?php
if (isset($_GET["regId"]) && isset($_GET["message"])) {
$regId = $_GET["regId"];
$message = $_GET["message"];
include_once './GCM.php';
echo "in send message class";
$gcm = new GCM();
$registatoin_ids = array($regId);
$message = array("price" => $message);
$result = $gcm->send_notification($registatoin_ids, $message);
echo $result;
}
?>
GcmIntentService.java
package com.example.provenlogic1.myapplication;
import android.app.IntentService;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;
import com.google.android.gms.gcm.GoogleCloudMessaging;
public class GcmIntentService extends IntentService {
public static final int NOTIFICATION_ID = 1;
private NotificationManager mNotificationManager;
NotificationCompat.Builder builder;
String TAG="pavan";
public GcmIntentService() {
super("GcmIntentService");
}
@Override
protected void onHandleIntent(Intent intent) {
Bundle extras = intent.getExtras();
GoogleCloudMessaging gcm = GoogleCloudMessaging.getInstance(this);
// The getMessageType() intent parameter must be the intent you received
// in your BroadcastReceiver.
String messageType = gcm.getMessageType(intent);
Log.d("pavan","in gcm intent message "+messageType);
Log.d("pavan","in gcm intent message bundle "+extras);
if (!extras.isEmpty()) { // has effect of unparcelling Bundle
/*
* Filter messages based on message type. Since it is likely that GCM
* will be extended in the future with new message types, just ignore
* any message types you're not interested in, or that you don't
* recognize.
*/
if (GoogleCloudMessaging.
MESSAGE_TYPE_SEND_ERROR.equals(messageType)) {
sendNotification("Send error: " + extras.toString());
} else if (GoogleCloudMessaging.
MESSAGE_TYPE_DELETED.equals(messageType)) {
sendNotification("Deleted messages on server: " +
extras.toString());
// If it's a regular GCM message, do some work.
} else if (GoogleCloudMessaging.
MESSAGE_TYPE_MESSAGE.equals(messageType)) {
String recieved_message=intent.getStringExtra("text_message");
sendNotification("message recieved :" +recieved_message);
Intent sendIntent =new Intent("message_recieved");
sendIntent.putExtra("message",recieved_message);
LocalBroadcastManager.getInstance(this).sendBroadcast(sendIntent);
}
}
// Release the wake lock provided by the WakefulBroadcastReceiver.
GcmBroadcastReceiver.completeWakefulIntent(intent);
}
// Put the message into a notification and post it.
// This is just one simple example of what you might choose to do with
// a GCM message.
private void sendNotification(String msg) {
mNotificationManager = (NotificationManager)
this.getSystemService(Context.NOTIFICATION_SERVICE);
PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
new Intent(this, MainActivity.class), 0);
NotificationCompat.Builder mBuilder =
new NotificationCompat.Builder(this)
.setSmallIcon(R.drawable.common_signin_btn_text_disabled_dark)
.setContentTitle("GCM Notification")
.setStyle(new NotificationCompat.BigTextStyle()
.bigText(msg))
.setContentText(msg);
mBuilder.setContentIntent(contentIntent);
mNotificationManager.notify(NOTIFICATION_ID, mBuilder.build());
}
}
任何想法都会受到赞赏。