You’ve implemented -[application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add “remote-notification” to the list of your supported UIBackgroundModes in your Info.plist.
解决办法：
这个时候再去看看Info.plist文件：
再次运行，问题就解决啦！
You’ve implemented -[application:didReceiveRemoteNotification:fetchCompletionHandler:], but you still need to add “remote-notification” to the list of your supported UIBackgroundModes in your Info.plist.
解决办法：
这个时候再去看看Info.plist文件：
再次运行，问题就解决啦！
原文：http://www.cnblogs.com/easyToCode/p/5196357.html