Android Studio 2.2.3: Gradle project sync failed. Basic functionality (e.g. editting, debugging) will not work properly
Your gradle version is: 1.8 which is not working anymore so you probably have to update it: 1- Go to -> https://gradle.org/install check out the latest verion number. 2- In your project directory navigate to \gradle\wrapper\ directory and edit: gradle-wrapper.properties file. change: to: https://services.gradle.org/distributions/gradle-3.3-all.zip 3- go to Tools→Android→Sync Project with Gradle files 4- If sync doesn’t do the job restart Android studio