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iPhone中APNS推送通知实现
2012年07月18日 IOS 暂无评论 ⁄ 被围观 5,296 view+

Phone应用APNS推送通知流程代码实现案例是本文要介绍的内容,主要是如何来实现APNS推送通知,具体内容来看本文详细代码。

1. 将app注册notification里面, 并从APNS上获取测试机的deviceToken.


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound)];     

    // other codes here.       

    return YES;
}   

- (void)application:(UIApplication *)application didRegisterForRemoteNotificationsWithDeviceToken:(NSData *)deviceToken
{   

    NSLog(@"deviceToken: %@", deviceToken);
}   

- (void)application:(UIApplication *)application didFailToRegisterForRemoteNotificationsWithError:(NSError *)error {   

    NSLog(@"Error in registration. Error: %@", error);
}   

- (void)application:(UIApplication *)application didReceiveRemoteNotification:(NSDictionary *)userInfo
{   

    NSLog(@" 收到推送消息 : %@",[[userInfo objectForKey:@"aps"] objectForKey:@"alert"]);   

    if ([[userInfo objectForKey:@"aps"] objectForKey:@"alert"]!=NULL)
    {
        UIAlertView* alert = [[UIAlertView alloc] initWithTitle:@"推送通知"
        message:[[userInfo objectForKey:@"aps"] objectForKey:@"alert"]
        delegate:self
        cancelButtonTitle:@" 关闭"
        otherButtonTitles:@" 更新状态",nil];
        [alert show];
        [alert release];   

    }   

}

启动程序,将app注册到通知项后,在console里面找到打印的deviceToken:

deviceToken: <6974ac11 870e09fa 00e2238e 8cfafc7d 2052e342 182f5b57 fabca445 42b72e1b>

2、生成app在服务端需要的许可证

(1)进入Provisioning Portal, 下载Certificates在development下的证书。

(2) 找到需要测试的app id,然后enable它在development下的Apple Push Notification service: Development Push SSL Certificate。需要输入1)中的签名证书才可以生成一个aps_developer_identity.cer.

(3) 双击aps_developer_identity.cer,会打开系统的key chain. 在My certificates下找到Apple Development Push Services。需要为certificate和它之下的private key各自export出一个.p12文件。(会出现设置密码过程)

(4)需要将上面的2个.p12文件转成.pem格式:

openssl pkcs12 -clcerts -nokeys -out cert.pem -in cert.p12
openssl pkcs12 -nocerts -out key.pem -in key.p12

(5)如果需要对 key不进行加密:

openssl rsa -in key.pem -out key.unencrypted.pem

(6)然后就可以 合并两个.pem文件, 这个ck.pem就是服务端需要的证书了。

cat cert.pem key.unencrypted.pem > ck.pem 

3、服务端push通知到ANPS. 在cocoachina找到了两种方法:

(1)php驱动。需要将ck.pem和php脚本放到server 上。全部的php代码是:

<?php
    $deviceToken = '6974ac11 870e09fa 00e2238e 8cfafc7d 2052e342 182f5b57 fabca445 42b72e1b';
    $pass = '123456';   // Passphrase for the private key (ck.pem file)   

    // Get the parameters from http get or from command line
    $message = $_GET['message'] or $message = $argv[1] or $message = 'A test message from worldcup';
    $badge = (int)$_GET['badge'] or $badge = (int)$argv[2];
    $sound = $_GET['sound'] or $sound = $argv[3];   

    // Construct the notification payload
    $body = array();
    $body['aps'] = array('alert' => $message);
    if ($badge)  $body['aps']['badge'] = $badge;
    if ($sound)  $body['aps']['sound'] = $sound;   

    /* End of Configurable Items */
    $ctx = stream_context_create();
    stream_context_set_option($ctx, 'ssl', 'local_cert', 'ck.pem');     

    // assume the private key passphase was removed.
    stream_context_set_option($ctx, 'ssl', 'passphrase', $pass);   

    // connect to apns   

    $fp = stream_socket_client('ssl://gateway.sandbox.push.apple.com:2195', $err, $errstr, 60, STREAM_CLIENT_CONNECT, $ctx);   

    if (!$fp)
    {
        print "Failed to connect $err $errstrn";
        return;
    }
    else
    {
        print "Connection OKn<br/>";
    }   

    // send message
    $payload = json_encode($body);
    $msg = chr(0) . pack("n",32) . pack('H*', str_replace(' ', '', $deviceToken)) . pack("n",strlen($payload)) . $payload;
    print "Sending message :" . $payload . "n";
    fwrite($fp, $msg);
    fclose($fp);
?>

请 求一次 http://127.0.0.1/apns/apns.php?message=A%20test%20message%20from%20localhost&badge=2& sound=received5.caf就 会向APNS进行一次推送。我的请求结果如下:

2)pushMeBaby 驱动。将aps_developer_identity.cer导入到project里面,改名为apns.cer。

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