blocks|key|142074|text|简短回答，yes|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|142075|对于iOS+8的应用开发者来说，一个令人兴奋的新机会是，即使用户选择退出通知，苹果现在也会提供“无声”推送。此外，“无声推送”不再仅仅适用于报摊应用程序。每个应用程序都可以利用这一能力在后台刷新内容，在用户打开应用程序的那一刻，创造最最新、最具响应性的体验。|blockquote|142076|尽管..。|142077|用户仍然可以通过“后台应用刷新”控件关闭应用程序处理“无声推送”的能力。尽管Apple+Push+Notification+(APN)将向您的手机提供标记为“内容可用”的推送，但操作系统不会唤醒您的应用程序来接收它，从而有效地将其丢弃在地板上。然而，选择退出“后台应用程序刷新”是一种不太为人所知的功能，与通知没有直接关联。您不能在通知设置中访问此首选项--它位于常规>背景应用程序刷新屏幕下。|142078|在构建应用程序时，请记住这一点。|142079|来源：https://www.urbanairship.com/blog/watch-list-ios-8-opt-in-changes|142080|entityMap|0|LINK|mutability|MUTABLE|url|https://www.urbanairship.com/blog/watch-list-ios-8-opt-in-changes^0|5|3|0|0|0|0|0|3|1T|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|11|8|@]|D|@]|E|$]]|$1|I|3|J|5|6|7|12|8|@]|D|@]|E|$]]|$1|K|3|L|5|H|7|13|8|@]|D|@]|E|$]]|$1|M|3|N|5|6|7|14|8|@]|D|@]|E|$]]|$1|O|3|P|5|6|7|15|8|@]|D|@$9|16|A|17|1|18]]|E|$]]|$1|Q|3|-4|5|6|7|19|8|@]|D|@]|E|$]]]|R|$S|$5|T|U|V|E|$W|X]]]]

Short answer, yes

<blockquote>
 The exciting new opportunity for app developers in iOS 8 is that Apple will now deliver “silent” pushes even if the user has opted out of notifications. Also, “silent push” is no longer just for Newsstand apps. Every app can take advantage of this ability to refresh content in the background, creating the most up-to-date, responsive experience possible, the moment the user opens the app.
</blockquote>

Although...

<blockquote>
 Users still have the ability to switch off your app’s ability to process a “silent push” by means of the “Background App Refresh” control. Even though Apple Push Notification service (APNs) will deliver a push marked “content-available” to your phone, the OS will not wake up your app to receive it, effectively dropping it on the floor. However, opting out of “Background App Refresh” is a lesser-known capability not directly associated with Notifications. You don’t access this preference in your Notifications Settings--it’s located under General > Background App Refresh screen.
</blockquote>

Keep this in mind when building your application.

Source: 
<a href="https://www.urbanairship.com/blog/watch-list-ios-8-opt-in-changes" rel="noreferrer">https://www.urbanairship.com/blog/watch-list-ios-8-opt-in-changes</a>

blocks|key|141753|text|这个矩阵可能会有帮助。在左侧，它将显示"didReceiveRemoteNotification：“方法是否会被调用。另外两列与设置应用程序有关。设置->+YourApp。如果yourApp支持通知和后台应用程序刷新。查看矩阵，以检查您的应用程序何时会收到无声的推送。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|141754|​|141755|📷|atomic|offset|length|141756|141757|entityMap|0|IMAGE|mutability|IMMUTABLE|imageUrl|https://developer.qcloudimg.com/http-save/yehe-900000/92023552c929c8a8d3a9dd61144c41d6.jpg|imageAlt^0|0|0|0|1|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|U|8|@]|9|@$G|V|H|W|1|X]]|A|$]]|$1|I|3|C|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|-4|5|6|7|Z|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q|R|-4]]]]

This matrix might help. At left hand side, it shows if &quot;didReceiveRemoteNotification: &quot; method will get called or not. Other two columns is related to setting app. Settings -&gt; YourApp. If yourApp supports Notifications and background app refresh. Look into matrix to check when you app will receive silent push.
<a href="https://i.stack.imgur.com/MebYH.jpg" rel="noreferrer"><img src="https://i.stack.imgur.com/MebYH.jpg" alt="" /></a>

blocks|key|141764|text|其他的答案都很好。但这不是官方的答案。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|141765|官方的答案出现在通知中有什么新内容？视频中：|offset|length|style|BOLD|141766|默认情况下启用静默通知。用户不需要批准您的应用程序--+不允许允许您的应用程序使用它们，而且您可以直接开始使用它们，而无需请求用户的许可。但是无声通知是后台应用程序刷新背后的机制。在任何时候，您都知道用户可以进入设置并禁用它们。所以你不能指望它们总是可用的。您不知道用户是否关闭了它们，并且不再收到通知。这也意味着，无声通知是尽最大努力交付的。这意味着当通知到达用户的设备时，系统将做出一些选择。|blockquote|141767|有关更多信息，请参见这幅图像和这个答案|141768|entityMap|0|LINK|mutability|MUTABLE|url|https://developer.apple.com/videos/play/wwdc2015/720/|1|https://i.stack.imgur.com/AJ0cG.jpg|2|https://stackoverflow.com/questions/42275060/what-is-difference-between-remote-notification-and-silent-notification-in-ios/42302369#42302369^0|0|0|2|8|A|0|0|S|3|0|A|4|1|F|4|2|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@$D|10|E|11|F|G]]|9|@$D|12|E|13|1|14]]|A|$]]|$1|H|3|I|5|J|7|15|8|@$D|16|E|17|F|G]]|9|@]|A|$]]|$1|K|3|L|5|6|7|18|8|@]|9|@$D|19|E|1A|1|1B]|$D|1C|E|1D|1|1E]]|A|$]]|$1|M|3|-4|5|6|7|1F|8|@]|9|@]|A|$]]]|N|$O|$5|P|Q|R|A|$S|T]]|U|$5|P|Q|R|A|$S|V]]|W|$5|P|Q|R|A|$S|X]]]]

Other answers are good. But they are not official answers.

The official answer is in <a href="https://developer.apple.com/videos/play/wwdc2015/720/" rel="noreferrer">What's New in Notifications WWDC 2015</a> video:

<blockquote>
 Silent notifications are enabled by default. The user does not need to
 approve your -- does not give permission to your app to use them, and
 you can just start using them without asking the user for permission.
 But silent notifications are the mechanism behind background app
 refresh. At any point you know that the user can go in settings and
 disable them. So you can't depend on them always being available. You
 don't know if the user the turn them off, and you are not getting a
 notification anymore. This also means that silent notifications are
 delivered with the best effort. That means that when the notification
 arrives on the user's device, the system is going to make some
 choices.
</blockquote>

For more see <a href="https://i.stack.imgur.com/AJ0cG.jpg" rel="noreferrer">this image</a> and <a href="https://stackoverflow.com/questions/42275060/what-is-difference-between-remote-notification-and-silent-notification-in-ios/42302369#42302369">this answer</a>

In my settings tabbar:

<ol>
<li>I have a feature specific switch which can be turned OFF or ON based on API response.</li>
<li>From website only admin is authorized to turn ON/OFF.</li>
<li>I can make /user API call everytime on settings tap to check the current settings for the user but there are couple of disadvantage like if user is already on setting then it will not update the UI and calling api everytime on settings tap doesn't sounds a perfect solution.</li>
</ol>

I think better solution is to send a silent push notification which i can use to make the API call to update the settings UI whenever needed. 

But if user has disabled the push notification will I still receive silent push ? What is the recommended approach to handle such situations ?

Is Silent Remote Notifications possible if user has disabled push for the app?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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在“设置”选项卡中：我有一个特性特定的开关，可以关闭或基于API响应。从网站，只有管理员被授权打开/关闭。我可以每次在设置上调用/user API来检查用户的当前设置，但是有两个缺点，比如如果用户已经在设置中，那么它将不会更新UI，而且每次在设置上调用api听起来并不是一个完美的解决方案。我认为更好的解决方案是发送一个...

问如果用户禁用了对应用程序的推送，沉默远程通知是可能的吗？
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问如果用户禁用了对应用程序的推送，沉默远程通知是可能的吗？EN