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我在 django 项目中使用 django-push-notification 包，

在 android 中，json 响应应采用以下格式：

{ "data": { "title" : "You have a notification", "body" : "The body of the notification", "id" : 1234, 
"backgroundImage" : "assets/notifications/background.png", }, 
"notification" : { "alert" : "You have a notification", "title" : "You have a notification",
"body" : "The body of the notification", "sound" : "default",
"backgroundImage" : "assets/notifications/background.png", "backgroundImageTextColour" : "#FFFFFF" } }

这样只有android才能获得前台和后台通知。

我尝试了代码：

视图.py -

from push_notifications.models import APNSDevice, GCMDevice

try:
    fcm_device = GCMDevice.objects.all()

    fcm_device.send_message("new-notification-out",title="title-out",\
        extra={"data": { "title-data" : "title-in", "body" : "new-notification-in" }, \
        "notification" : { "alert" : "You have one new notice", "title" : "title-notify",\
         "body" : "new-notification" }})
except:
   pass

但是在android端没有得到有效载荷“数据”，“通知”，我怎样才能从后端准确地发送有效载荷？

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