'apksigner returns back with nothing

as you can see from the title I am having difficulty getting apksigner to work. I have tried using the terminal in android studio and the command line however they both seem to return exactly the same; with nothing.

No matter what I type in I end up with the same result.



Solution 1:[1]

In my case, I used a very old version (v28) of Android build tools (which still used the java signer), in android studio I downloaded the newest version of android build tools and used the apksigner there. This solved the issue for me.

The following commands worked:

apksigner --help

and

apksigner sign --ks mykeystore-key.keystore --ks-pass pass:keystorePass --v1-signing-enabled true --v2-signing-enabled true zipalignedAPK.apk

This currently generates signs the apk in a way that can be uploaded to the play store.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Oli4