This project uses AndroidX dependencies, but the 'android.useAndroidX' property is not enabled

[dannyZhou]

Bug report:

This project uses AndroidX dependencies, but the 'android.useAndroidX' property is not enabled. Set this property to true in the gradle.properties file and retry.
The following AndroidX dependencies are detected: androidx.annotation:annotation:1.2.0

Once/once/build.gradle

Line 33 in bda5fa4

implementation 'androidx.annotation:annotation:1.2.0'

I think you don't need this line.

Gradle version: 6.1.1