如何更新应用程序用户付费升级后 [英] How to Update an Application After Users Pay For Upgrade

问题描述

我需要用户支付的更新后，更新我的应用程序。我想改变目前的应用程序，而不是下载新版本。用户付费后，我将使应用程序的某些功能。

I need to update my application after the user pays for an update. I want to alter the current application instead of downloading a new version. After the user pays, I will enable certain functions of the app.

我将如何实现这一点？

推荐答案

苹果不会允许有可见，但无法使用的功能的应用程序。你不能显示变灰的特征，并说，我们付出得到这个功能。无论是将他们让你显著改变一个应用，而无需更改其名称。相反，他们迫使你发出最高可以升级到完整的和/或Pro版本的选项精简版的版本。他们这样做是既要保护用户，并保护他们的收入来自应用程序商店。

Apple will not allow an app that has visible but unusable features. You can't show a grayed out feature and say, "pay us to get this feature." Neither will they let you significantly alter an app without changing its name. Instead they force you to issue a lite version with the option to upgrade to a full and/or pro versions. They do this both to protect the user and to protect their revenues from the app store.

，以确定苹果是否会让你做一些事情是问一个真正的好办法，难道苹果眼睁睁地失去钱，如果我这样做呢？如果答案是肯定的，那么机会是非常好的你的想法不会飞。

A really good way to determine if Apple will let you do something is to ask, "Does Apple stand to lose money if I do this?" If the answer is yes, then chances are very good your idea won't fly.

此外，记住，应用程序商店有，一旦用户支付应用程序的规则，他们自动获得免费的应用程序的所有未来版本。你不能强迫用户付费升级的方式，您可以在传统的平台。

Also, remember that the app store has a rule that once a user pays for an app, they automatically receive all future versions of the app free of charge. You can't force users to pay for upgrades the way you can on conventional platforms.

说了这么多，因为你不能运行其它程序升级在iPhone上你的应用程序，我认为无需更换这将是使用某种类型的模块化插件体系结构升级现有的应用程序的唯一途径，其中你下载插件，增加更多的功能。 Objective-C的使得它可笑容易实现插件英格斯。

Having said that, since you can't run another process to upgrade your app on the iPhone, I think the only way to upgrade an existing app without replacing it would be to use some kind of modular plug-in architecture in which you download plug-ins that add more features. Objective-C makes it ridiculously easy to implement plug-ings.

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