ionic 2 - Error Could not find an installed version of Gradle either in Android Studio

Life is too short to spend it on messing with paths, etc.

Since I had Homebrew installed on the iMac, I just ran this command:

brew install gradle

The Ionic3 project started to build successfully.

Try installing gradle and include it into your path. Click the link below to get manual. https://gradle.org/install

Just install gradle on linux, Even if Android Studio is installed,

sudo apt install gradle