Build Tools - Why So Many Versions?

Every time I've updated the SDK and Android build environment I've got a new version of the build tools and rather than overwriting the previous version, as with most components, i

Solution 1:

It's very simple. Android builds should never break when you update your sdk. To make sure it never breaks, you need to be able to build with any version of the build tools. That's why there are separate. If you don't like it and you only want to latest one, you can remove the old ones from your pc.