blocks|key|164713|text|总结一下@Android-Developer和OP的评论讨论的答案：|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|164714|无论安装来源如何，Google+Play都能识别app的应用程序签名。只要您在生成APK时使用相同的包名和密钥库，Google+Play就能够检测到较新的版本并触发更新。|164715|要在不登录到Google帐户的情况下安装应用程序，请在设置中启用“从未知来源安装”选项。您可以在安装完成后将其禁用。|164716|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/users/1511776/android-developer^0|4|I|0|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@$A|Q|B|R|1|S]]|C|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@]|C|$]]|$1|H|3|-4|5|6|7|V|8|@]|9|@]|C|$]]]|I|$J|$5|K|L|M|C|$N|O]]]]

To summarize the answer from <a href="https://stackoverflow.com/users/1511776/android-developer">@Android-Developer</a> and OP's comment discussion:

Google Play recognizes the app signature of APKs regardless of the installation source. As long as you use the same package name and keystore when generating your APK, Google Play will be able to detect newer versions and trigger an update.

To install the app without logging in to a Google account, enable the "Install from unknown sources" option in Settings. You can disable it once the installation is complete.

blocks|key|382698|text|您可以安装钛备份，如果您的手机是根，然后长按在您的一侧加载的应用程序包，并选择“附加到市场”选项。现在，您可以通过Google+Play接收更新。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|382699|我不建议这样做，我的意思是，永远不要因为版权或安全风险而安装破解或打补丁的应用程序，但安装Google+Play的修改版本可以使打补丁的侧面加载应用程序在通过Titanium附加到市场后进行升级。这对于购买的应用程序是不需要的，因为它们是在你的Google帐户中注册的，所以附加到市场就足够了。|382700|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|F|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|G|8|@]|9|@]|A|$]]|$1|D|3|-4|5|6|7|H|8|@]|9|@]|A|$]]]|E|$]]

You may install Titanium Backup if your phone is rooted, then long press on your side loaded app package and select "Attach to market" option. Now you may receive updates via Google Play. 
I don't recommend this, I mean never install cracked or patched apps because of copyright or security risks, but installing a Modded version of Google Play can make patched side loaded apps to be upgraded after attaching them to market via Titanium Backup. This is not needed for purchased apps because they are registered in your Google account, so attaching to market will be enough.

blocks|key|164872|text|要让手动安装的APK显示在Google+Play商店的更新或已安装部分，请执行以下操作之一：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|164873|1.)使用谷歌所知的相同APK文件名手动安装APK+(即从APKMirror.com等APK下载网站)。|164874|2.)如果您在保存时更改了APK名称，它将不会作为已安装的应用程序显示在Google+Play应用商店中。|164875|但是，如果应用程序有更新，您必须在应用商店中对该应用程序进行一次性搜索并进行更新。它会在应用商店页面上给出更新选项。一旦通过商店更新，它将显示在商店的安装/更新部分，从现在开始。|164876|为什么这是可行的？因为更新将通过应用商店完成，而在更新过程中使用的APK名称就是Google所知道的应用程序。|164877|如果没有更新，请执行选项#1。|164878|我总是在文件名的前面添加应用程序的名称和版本信息，这样我就知道它是什么供以后使用(因为如果我手动安装，我可能会保存它以供多个/未来的设备使用)。我还将原始名称保留在末尾，这样如果需要，我可以将其重命名回原始名称。Android是我见过的唯一在安装过程中文件名起作用的操作系统。|164879|entityMap^0|0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|P|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Q|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|R|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|S|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|T|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|U|8|@]|9|@]|A|$]]|$1|L|3|M|5|6|7|V|8|@]|9|@]|A|$]]|$1|N|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|O|$]]

To get a MANUALLY INSTALLED APK to show up in the Google Play Store in the UPDATES or INSTALLED section, do either of the following:
1.) Manually install the APK with the SAME APK filename that Google knows the app as (i.e. from the APK download site like APKMirror.com).
2.) If you CHANGED the APK name when you saved it, it will NOT show up in Google Play Store as an installed app.
However, IF there is an update to the app, you will have to do a ONE-TIME search for that app in the store and update it. It will give you the UPDATE option on the app's store page. Once updated via the store, it will show up in the store's Installed / Updates section from now on.
Why does this work? Because the UPDATE will be done thru the store and the APK name it's using during the update process is what Google knows the app as.
If there is NO update, do option #1.
I always add the App name and version info to the front of the filename so I know what it is for later use (because if I'm manually installing, I'll probably be saving it for multiple / future devices).
I also keep the original name at the end, so I can rename it back to the original name if needed. Android is the only O/S I've seen where the filename matters during the install process.

My company would like to give an Android device to a group of our selected customers.

Doing that, we would like to provide users with our mobile app. The app is already on Google Play, but we would like to avoid users downloading and installing by themselves. We prefer to give the device ready, with the app already installed.

We found several ways to manually install an APK on the phone without having to login to the market. But it seems that doing that, the user will not be able to update the app via <code>Google Play</code>, as the app would not be recognized as installed.

Any idea?

Android, sideloading applications and keep them up to date via Google Play

Android

我的公司想把一台Android设备送给我们挑选的一群客户。这样做，我们希望为用户提供我们的移动应用程序。该应用程序已经在Google Play上，但我们希望避免用户自行下载和安装。我们更喜欢让设备准备就绪，应用程序已经安装。我们发现了几种不需要登录市场就可以在手机上手动安装APK的方法。但似乎这样做，用户将无法通过Go...

问Android，加载应用程序，并通过Google Play保持更新
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