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I need to allow a user to select whether the app should be installed to an SD card or the internal memory. I cannot find any information about that at developer.android.com.
The only thing I can do is to specify android:installLocation as “internalOnly”, “auto”, or “preferExternal”. However, I’d like to let users choose that when the app is being installed.
Is it possible to do that on Android?
Unfortunately, It’s not possible to explicitly let user choose where to install your app.
Before it’s installed, your app can’t run so you can’t run any code at that time.
Options you mention: “internalOnly”, “auto” and “preferExternal” are only options.
From personal experience, I recommend you to use “auto” unless you have some restrictions that force you to use “internalOnly”.
“preferExternal” can produce errors on some older devices (“can’t open SD card” or something like that, I can’t remember).