Failed to resolve variable '${animal.sniffer.version}' when migrate to AndroidX

Question

I\'m using Android Studio 3.2 Beta5 to migrate my project to AndroidX. When I rebuild my app I got these errors:

ERROR: [TA

Answer 1

I got the same error after updating my build.gradle file with AndroidX Test dependencies. Turns out I forgot to remove the old junit dependency. So for me, the fix was simply to remove the following dependency:

dependencies {
    ...
    testImplementation 'junit:junit:4.12'
}

Answer 2

Try removing this line:

maven { url "https://oss.sonatype.org/content/repositories/snapshots" }

from the buildscript / repositories section of your build.gradle file.

When I added that line, I got the error you described. When I removed it, no longer. That line should only be in the allprojects / repositories section.

Answer 3

I fix this with two steps

1) File -> Invalidate Caches / restart...

2) Build -> Clean project

Answer 4

Fixed it by going to the main directory and typing flutter clean

Answer 5

I fixed it by refreshing the cahche (Instead of invalidating it - which also clears the local history):

1. in gradle.properties file, comment the line org.gradle.caching=true.
2. Clean, Rebuild.
3. in gradle.properties file, un-comment the line org.gradle.caching=true.
4. Clean, Rebuild.

Thats it!

Answer 6

Android version: 4.10.2

I solved this issue with three simple steps: First i added below this in pubspec.yml: (with two spaces of identation)

module:
  androidX: true 

Adding this two lines below in gradle.properties, i have this in android/gradle.properties, in the project folder.

android.useAndroidX=true
android.enableJetifier=true

And after this i wrote with the terminal:

flutter clean

Maybe you will have to stop the device and run again.