为什么 adb 安装 <same-packagename-always-release>失败? [英] Why does adb install <same-packagename-always-release> fail?

问题描述

我知道 adb install 不会替换现有包，如果它是不同的构建类型(即调试与发布).

I know that adb install will not replace an existing package if it's of a different build type (i.e. debug vs. release).

每当我运行调试会话时，Eclipse 也会成功替换调试 apk.

Eclipse also successfully replaces the debug apks whenever I run a debug session.

但是当我尝试 adb install 将现有的 release apk 替换为另一个版本的 apk(相同的包名称！)时，我收到一条失败消息:

But when I attempt adb install for replacing an existing release apk with another release apk (same package name!), I get a failure message:

adb install myapp-release.apk 
    pkg: /data/local/tmp/myapp-release.apk
Failure [INSTALL_FAILED_ALREADY_EXISTS]
745 KB/s (34310 bytes in 0.044s)

这不应该起作用吗?我错过了什么?

Wasn't that supposed to work? What am I missing?

推荐答案

我想如果应用程序已经安装，你需要提供 -r 键:

I suppose if the app is already installed, you need to supply the -r key:

adb install -r myapp-release.apk

来自 adb 帮助:

'-r' means reinstall the app, keeping its data

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