Buildozer Unsigned Release APK Saved in Windows Folder, Now Need to Zipalign and Sign It, Windows Environment

问题

My progress thus far:

1. Built an unsigned release APK with Kivy Buildozer VM, command: "buildozer android release".
2. Moved that APK to a Dropbox folder.
3. Installed Android Studio.
4. Read several bits here, here and here, but could not get any of the commands to work from my Windows command prompt.

And that's the whole of it. Several video and text tutorials later, and not one gave a clear-cut, step-by-step process of how to take an already built, unsigned APK and zipalign and sign it. Most assume that devs built their apps in Eclipse, Android Studio, Cordova, etc.

Here's what I've got:

• PyCharm,
• Android Studio,
• Windows Command Prompt,
• Oracle VM VirtualBox, and
• Kivy Buildozer VM.

What else do I need to download and do to get these last few steps done? Can I just stuff my already built APK into Android Studio somewhere and get the rest to work automatically?

来源：https://stackoverflow.com/questions/48988837/buildozer-unsigned-release-apk-saved-in-windows-folder-now-need-to-zipalign-and