随着新的更新,现在将使用 FCM。
我尝试了 git 中的示例应用程序,它运行良好。我可以从控制台发送通知。
但是我想在触发某个事件后从服务器发送通知。我采用了与 GCM 中相同的方法,但它不起作用。
05-20 20:40:58.941 30132-30919/com.google.firebase.quickstart.fcm E/AndroidRuntime: FATAL EXCEPTION: pool-1-thread-1
Process: com.google.firebase.quickstart.fcm, PID: 30132
java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.String com.google.firebase.messaging.RemoteMessage$Notification.getBody()' on a null object reference
at com.google.firebase.quickstart.fcm.MyFirebaseMessagingService.onMessageReceived(MyFirebaseMessagingService.java:53)
at com.google.firebase.messaging.FirebaseMessagingService.zzo(Unknown Source)
at com.google.firebase.messaging.FirebaseMessagingService.zzn(Unknown Source)
at com.google.firebase.messaging.FirebaseMessagingService.zzm(Unknown Source)
at com.google.firebase.iid.zzb$2.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
at java.lang.Thread.run(Thread.java:818)
05-20 20:40:59.118 30132-30279/com.google.firebase.quickstart.fcm E/Surface: getSlotFromBufferLocked: unknown buffer: 0xb9e83390
我正在关注这个PHP Script发送通知。 如果我尝试执行脚本,我会得到以下结果。
{"multicast_id":4679427854122301046,"success":1,"failure":0,"canonical_ids":0,"results":[{"message_id":"0:1463757518309261%31bd1c96f9fd7ecd"}]}
注意:我查看了他们的 docs并将代码修改为只有正文和标题。即使那样它也不起作用。
最佳答案
你可以使用这个完整的代码
<?php
function sendFCM($mess,$id) {
$url = 'https://fcm.googleapis.com/fcm/send';
$fields = array (
'to' => $id,
'notification' => array (
"body" => $mess,
"title" => "Title",
"icon" => "myicon"
)
);
$fields = json_encode ( $fields );
$headers = array (
'Authorization: key=' . "AIzaSyA9vpL9OuX6moOYw-4n3YTSXpoSGQVGnyM",
'Content-Type: application/json'
);
$ch = curl_init ();
curl_setopt ( $ch, CURLOPT_URL, $url );
curl_setopt ( $ch, CURLOPT_POST, true );
curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );
$result = curl_exec ( $ch );
curl_close ( $ch );
}
?>
将消息和 token ID 作为参数传递给 sendFCM($mess,$id)
调用。
关于php - 从服务器端向 Android 设备发送 FCM 消息,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/37350268/