Unable to build for android "Could not find androidx.tonyodev.fetch2"

Development Platform & Builds
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1

I’ve set up my environment as described by unreal in their posts, and I’m matching the description for 5.3 found here (Android Development Requirements for Unreal Engine | Unreal Engine 5.3 Documentation)

When I build, I get the following error:

Execution failed for task ':app:compileDebugAidl'.
> Could not resolve all files for configuration ':app:debugCompileClasspath'.
   > Could not find androidx.tonyodev.fetch2:xfetch2:3.1.6.
     Required by:
         project :app

Hence I googled why this is an error and wanted to try the solution from this stack overflow post:

But, it seems the two files where this is set are:

./Intermediate/Android/arm64/gradle/AFSProject/app/buildAdditions.gradle:39:            implementation "androidx.tonyodev.fetch2:xfetch2:3.1.6" 
./Intermediate/Android/arm64/gradle/app/buildAdditions.gradle:39:               implementation "androidx.tonyodev.fetch2:xfetch2:3.1.6"

Hence those files get overridden when I’m executing the build command.

Does someone know where I can change that, or what I’m doing wrong in the first place since I’ve followed the steps by unreal?

2

Hey try to delete temp files (saved, build, intermediate) select Android NDK 25.18937393 and in 5.3 instead of using old JDK or JRE use JBR. Like on video tutorial:

coz from log seems something with Gradle (old jdk)

3

I have deleted all temporary files multiple times.
I can build the default top-down project without any issues.
It’s just this project and I don’t know why.
I have an identical setup to the video you linked.

I’m productive again since I was able to create a new project and copy the content over.
But I would still like to know what caused the error in the first place.

4

Hmm yeah good idea to migrate not all, but for a parts and check when it’s happen that could help to intercept the issue. I thought also that can be a plugin…

5

In my case the solution was just to turn off the following plugin:

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2 Likes
6

Deactivating this plugin worked perfectly for me. Thanks! UE5.3

7

Change your AndroidFetchBackgroundDownload_UPL.xml file so that it looks like:

//AndroidFetchBackgroundDownload -- START
	repositories {
		mavenCentral()
		maven { url 'https://jitpack.io' }
	}
	dependencies {
		//Fetch2 library used to manage downloads at java level
		implementation "com.github.tonyofrancis:fetch:3.1.6"
		
		//Used for parsing from JSON files in DownloadDescription.java
		//excluding hamcrest to avoid collision with junit that also includes hamcrest
		implementation ('com.googlecode.json-simple:json-simple:1.1.1') {
			exclude group: 'org.hamcrest', module: 'hamcrest-core'
		}
	}
//AndroidFetchBackgroundDownload -- STOP

As jcenter no longer hosts these files. I’ve updated the engine to account for this and should be getting to github shortly.

1 Like
8

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I did exactly what you did there and still gives me this error? Any ideas?

9

UPDATE: Alright i managed to correct this mistake but… another one now keeps ocourring…

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Any idea of what it could be?