Unable to Change Build Variant

Question

When I changed the variants in my project with android studio 3.5 in 2019, I could not change from Active Build Variants. I solved this by deleting the .idea and Build folders of the project and changing the Varieties from Active Build Variants in a new way.

**2019 :

Project build Gradle: 3.5.3

Android Studio: 3.5**

I can't change the Variants from Active Build Variants in any way in the project by keeping the same Build Gradle the same product Flavors Configuration. This is the only difference between the previous configuration and the current one

**2020 :

Project build Gradle: 3.5.3

Android Studio: 4.0.1**

Has anyone worked with Recent Build Variants? What could be the approximate cause of this kind of problem?

build varients

Product Flavour

Answer 1

Try to untick File > Settings > Experimental > Gradle > Only sync the active variant

Answer 2

I fixed this by resyncing the gradle. enter double shift --> then search for sync --> resync gradle with project files.