从商店全新下载后，Expo中的OTA更新会在首次开放时启动吗? [英] Do OTA updates in Expo get in motion on the first opening after brand new download from the stores?
问题描述
我用React Native开发了一个应用程序，并通过Expo分发了它.我将最终版本发布到了Google Play和Apple Store.
I developed an app with React Native and distributed it with Expo. I published the final version into Google Play and Apple Store.
一段时间后，我在 Expo的发布文档中发现根据，expo publish允许您创建Expo内置的OTA(空中下载")更新并自动更新应用程序.这个答案:
Some time later I discovered in Expo's docs on Publishing that expo publish allows you to create an OTA ("over the air") update that is built into Expo and updates the app automatically, according to this answer:
独立应用程序知道要在您应用程序的已发布URL中查找更新.
The standalone app knows to look for updates at your app's published url.
我对此进行了测试，效果很好.
This I tested and worked very well.
但是，现在我看到人们从商店(即Google Play或Apple Store)下载该应用程序的人显然获得了该应用程序的初始版本，而不是更新的版本.
However, now I see that people downloading the app from the stores (that is, either Google Play or Apple Store) apparently get the initial version of the app, not the updated one.
OTA更新的确切工作流程是什么?他们会在第一次打开Google Play和Apple Store时去替换"现有版本吗?还是他们需要重新打开以获取更新?
What is the exact workflow for the OTA updates? Do they go and "replace" the existing version in Google Play and Apple Store the first time they open it? Or do they need to open it over again to get the update?
究竟是什么触发了应用程序的更新?
And what exactly triggers the update of the app?
推荐答案
我们一直遇到类似的问题.我可以看到两件事可能导致您的情况:
We've been having similar problems. I can see two things which might be causing this in your case:
- 检入
app.json是否已设置updates.fallbackToCacheTimeout.如果已设置，则expo将在显示最近下载的版本(将是首次下载后的初始版本)之前尝试下载最新更新的时间. - 如果更新较大，expo将尝试下载更新30s，然后显示应用程序的最新版本.
- Check in
app.jsonifupdates.fallbackToCacheTimeoutis set. If it's set, that's how long expo will try to download the latest update before showing the last downloaded version (which will be the initial version after initial download). - If you have a large update, expo will try downloading the update for 30s before showing the last version of your app.
在此处查看更多信息: https://docs.expo .io/versions/latest/guides/configuring-ota-updates/
Check here for more info: https://docs.expo.io/versions/latest/guides/configuring-ota-updates/
OTA更新不会替换从应用程序商店下载的版本，它们先存储在设备的缓存中，然后在下载后在应用程序启动时运行.来源 https://docs.expo.io/versions/latest/sdk/updates/
OTA updates do not replace the version downloaded from the app store, they are stored first in the device's cache before being run on app start after download. Source https://docs.expo.io/versions/latest/sdk/updates/
更新下载会在应用启动时自动触发，然后，根据设置的不同，它会等待(只要updates.fallbackToCacheTimeout允许)才显示该应用，或立即显示.
Update downloads are automatically triggered on app start, then, depending on the settings it will either wait (as long as updates.fallbackToCacheTimeout allows) before showing the app, or show it immediately.
您可以通过强制退出应用程序然后重新启动来强制应用程序运行最新更新(如果有一个等待状态).
You can force the app to run the latest update (if you have one waiting) by just force quitting the app, then restarting.
希望这会有所帮助！
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