无法通过棒棒糖中的android studio生成的apk文件升级旧应用程序 [英] Cannot upgrade old application by android studio generated apk file in Lollipop

问题描述

我从手机上的google play商店安装了我的应用程序的旧版本（版本1）。现在，我想将此应用程序更新到新版本（版本2），因此，我使用android studio生成了新的apk文件，并将此生成的apk上传到Google驱动器。然后从我的多个设备（Android 5.1.1和Android 4.2.2）下载并安装。

I was installed old version(version 1) of my application from google play store in my phones. Now I would like to update this app to new version(version 2), so, I generated new apk file by using android studio and I upload this generated apk to google drive. Then download and install from my several devices(Android 5.1.1, and Android 4.2.2).

在android 4.2.2中，我可以安装下载的apk和我的应用程序已成功升级到版本2。

In android 4.2.2, I can install the downloaded apk and my application was upgraded to version 2 successfully.

在Android 5.1.1中，我可以单击安装按钮，之后显示未安装应用程序错误消息和应用程序尚未升级到新版本（版本2）。

In Android 5.1.1, I can click on install button, after that show the "App not installed" error message and the application was not upgraded to new version(version 2).

能否请您给我一些建议？

Could you please give me some advice?

请请参阅android 5.1.1设备的附件图片。

Please see the attachment picture of android 5.1.1 device.

推荐答案

我认为这是错误。升级到新版本时，发生在我身上一次。当Android操作系统中有2个用户时（即设置>用户。可能在您的情况下，访客用户必须存在）会出现问题。因此，以前安装应用程序时，必须同时为主要用户和来宾用户安装。因此，当Android OS尝试卸载要升级的应用程序时，它只会为主要用户而不是来宾用户卸载应用程序。因此，该应用程序仍存在于操作系统中，但对于主要用户而言则不存在，因此无法安装新应用程序。至少这就是我的想法。（我使用的是Moto G）

I think it is bug. It happened to me once while upgrading to a new version. The problem occurs when there are 2 users in Android OS(i.e. Settings>Users. Probably in your case, guest user must be present). So when app was previously installed, it must be installed for both primary and guest user. So when Android OS tries to uninstall the app to upgrade, it only uninstalls app for primary user and not for guest user. So the app is still present in the OS but not for primary user preventing installation of the new app. At least this is what I think it is.(I am using a Moto G)

但是从playstore升级时从未遇到过此错误。仅在尝试通过从外部源安装APK升级应用程序时才发生。希望对您有帮助...

But I have never encountered this bug when upgrading from playstore. It only happened when trying to upgrade app by installing apk from external source. I hope it helps...

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