[Android] Explain build error: Circular dependency between the following tasks:

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Aug 06, 2024
[Android] Explain build error: Circular dependency between the following tasks:

The error "Circular dependency between the following tasks" indicates that there's a circular relationship between your app module and one or more of your library modules. In this case, the :app module depends on one or more library modules (:core-designsystem, :feature-chatting, :feature-home) which in turn depend on the :app module.

This creates a situation where Gradle can't determine the correct order to build the modules, as they depend on each other in a circular way.

How to fix it

Analyze the dependencies: Carefully examine the build.gradle files of your modules, especially the dependencies block. Look for any dependencies that might be causing the circular relationship.

Restructure your project: Consider restructuring your project to eliminate the circular dependency. There are several ways to achieve this:

*Move shared code:** If the modules have common dependencies, move the shared code to a separate module that both modules can depend on.

*Refactor modules:** Break down large modules into smaller, more focused modules with clear dependencies.

*Introduce interfaces:** Define interfaces in a shared module and have the modules depend on the interface instead of concrete implementations.

Check for misconfigurations: Ensure that you haven't accidentally added a dependency on the app module within one of your library modules.

Example

Let's say your :core-designsystem module has a dependency on the :app module. You might have something like this in your :core-designsystem module's build.gradle file:

dependencies {
    implementation project(':app') // This creates a circular dependency
}

To fix this, you need to remove this dependency and find alternative ways to share code or resources between the modules.

If you're still stuck, please provide the following information so I can give you more specific guidance:

The relevant parts of your build.gradle files for the involved modules (:app, :core-designsystem, :feature-chatting, :feature-home).

A brief description of the purpose of each module and how they are intended to interact.

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