Why does my Android build always attempt to download camera-mlkit-vision-1.3.0-rc01.pom etc

Question

My android builds downloads section shows the multiple attempts are always made to download the following

why does it do this for every build? how do i stop this behaviour?

why does maven repo show 1.3.0-rc01 as a managed dep for camera2?

UPDATE

executing the gradlew dependencies command gives this output

|    +--- androidx.camera:camera-camera2:1.3.0-rc01
|    |    +--- androidx.annotation:annotation:1.2.0 -> 1.6.0 (*)
|    |    +--- androidx.camera:camera-core:1.3.0-rc01
|    |    |    +--- androidx.annotation:annotation:1.2.0 -> 1.6.0 (*)
|    |    |    +--- androidx.annotation:annotation-experimental:1.1.0 -> 1.3.0 (*)
|    |    |    +--- androidx.core:core:1.1.0 -> 1.10.1 (*)
|    |    |    +--- androidx.lifecycle:lifecycle-livedata:2.1.0 -> 2.6.1 (*)
|    |    |    +--- com.google.guava:listenablefuture:1.0 -> 9999.0-empty-to-avoid-conflict-with-guava
|    |    |    +--- org.jetbrains.kotlin:kotlin-stdlib:1.8.22 -> 1.9.0 (*)
|    |    |    +--- androidx.camera:camera-camera2:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-extensions:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-lifecycle:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-mlkit-vision:1.3.0-rc01 -> 1.3.0-beta02 (c)
|    |    |    +--- androidx.camera:camera-video:1.3.0-rc01 (c)
|    |    |    \--- androidx.camera:camera-view:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-core:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-extensions:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-lifecycle:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-mlkit-vision:1.3.0-rc01 -> 1.3.0-beta02 (c)
|    |    +--- androidx.camera:camera-view:1.3.0-rc01 (c)
|    |    \--- androidx.camera:camera-video:1.3.0-rc01 (c)
|    +--- androidx.camera:camera-lifecycle:1.3.0-rc01
|    |    +--- androidx.camera:camera-core:1.3.0-rc01 (*)
|    |    +--- androidx.lifecycle:lifecycle-common:2.1.0 -> 2.6.1 (*)
|    |    +--- com.google.guava:listenablefuture:1.0 -> 9999.0-empty-to-avoid-conflict-with-guava
|    |    +--- androidx.camera:camera-camera2:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-core:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-extensions:1.3.0-rc01 (c)
|    |    +--- androidx.camera:camera-mlkit-vision:1.3.0-rc01 -> 1.3.0-beta02 (c)
|    |    +--- androidx.camera:camera-view:1.3.0-rc01 (c)
|    |    \--- androidx.camera:camera-video:1.3.0-rc01 (c)
|    +--- androidx.camera:camera-view:1.3.0-rc01
|    |    +--- androidx.annotation:annotation:1.2.0 -> 1.6.0 (*)
|    |    +--- androidx.camera:camera-core:1.3.0-rc01 (*)
|    |    +--- androidx.camera:camera-video:1.3.0-rc01
|    |    |    +--- androidx.annotation:annotation:1.2.0 -> 1.6.0 (*)
|    |    |    +--- androidx.camera:camera-core:1.3.0-rc01 (*)
|    |    |    +--- androidx.camera:camera-camera2:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-core:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-extensions:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-lifecycle:1.3.0-rc01 (c)
|    |    |    +--- androidx.camera:camera-mlkit-vision:1.3.0-rc01 -> 1.3.0-beta02 (c)
|    |    |    \--- androidx.camera:camera-view:1.3.0-rc01 (c)

Im not sure what this means...

+--- androidx.camera:camera-mlkit-vision:1.3.0-rc01 -> 1.3.0-beta02 (c)

How do i stop my build trying to use a non existent version of camera-mlkit-vision

Answer 1

There is no 1.3.0-rc01 version of that artifact, which you can tell from the "Failed" status messages.

There are multiple places where you can check it:

1. The CameraX lib page:

2. The Google Maven camera repo: as you can see, the latest available version is 1.3.0-beta02.

Changing your dependency version to 1.3.0-beta02 for the camera-mlkit-vision will make Gradle download the correct artifact once.

Answer 2

I had the same problem after updating to CameraX 1.3.0. Although I explicitly use version 1.3.0-beta02 of camera-mlkit-vision, Gradle tries to download the nonexistent version 1.3.0. My gradle/libs.versions.toml looks like this:

[versions]
androidx-camerax = "1.3.0"

[libraries]
androidx-camera-camera2 = { module = "androidx.camera:camera-camera2", version.ref = "androidx-camerax" }
androidx-camera-lifecycle = { module = "androidx.camera:camera-lifecycle", version.ref = "androidx-camerax" }
androidx-camera-view = { module = "androidx.camera:camera-view", version.ref = "androidx-camerax" }
androidx-camera-mlkit-vision = "androidx.camera:camera-mlkit-vision:1.3.0-beta02"

I added the following snippet to the root build.gradle.kts to fix this:

allprojects {
    configurations.all {
        resolutionStrategy {
            force(libs.androidx.camera.mlkit.vision)
        }
    }
}

Answer 3

Google is working to release v1.3.1 with the coming December release since they forgot it with v1.3.0 according to https://issuetracker.google.com/issues/312677260