如何安装新的APK文件，而不卸载Android设备上的旧apk文件？ [英] How to install the new apk file without uninstall the old apk file on an Android device?

问题描述

我的APK文件大小为2MB。安装在设备中的APK文件第一次是没有问题的。
假设应用程序中的一些变化后产生的新的apk文件。我尝试安装在同一设备的新的apk文件，那么它显示了一些消息，先卸载previous一（即，相同的应用程序）的设备。但是小的apk文件，我不会面临这个问题。

My apk file size is 2MB. First time installing the apk file in the device there is no problem. Suppose some changes in the application after that generated the new apk file. I am try to install the new apk file in the same device then it shows some message first uninstall the previous one(i.e. , same application) in the device. But small apk files, I am not facing this problem.

是否可以安装新的APK文件，而不卸载旧的？

Is it possible to install the new apk file without uninstall the old one?

推荐答案

这是不是与APK大小，但与老的apk与比新的不同的密钥签名的事实相连。所以，你必须在安装新的应用程序之前卸载它，但你必须做它只有一次。

It is not connected with apk size but with the fact that the old apk was signed with different key than the new one. So you must uninstall it before installing new application but you will have to do it only once.

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