Easy methods to Keep away from Dependency Conflicts in Android Multi-Module Apps | by Waseef Akhtar | Jan, 2023 | Cult Tech

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As an Android developer, you might have skilled the frustration of managing dependencies in your challenge. It may be particularly difficult when you’ve a number of modules in your challenge, as it is easy to finish up with completely different variations of the identical dependency in several modules. This may result in conflicts and unpredictable conduct.

One strategy to resolve this drawback is to create a buildSrc module in your challenge. He buildSrc module is a particular module used to retailer your challenge’s construct logic, together with dependencies. By holding your dependencies in a single place, you possibly can be sure that all modules in your challenge use the identical model of a dependency.

After all, there are alternative ways to resolve this drawback, and which strategy is finest for you’ll rely in your particular wants and preferences.

After I printed this weblog submit, I assumed that most individuals lately want to make use of the Gradle launch catalog. I personally discover buildSrc simple to take care of.


To create a buildSrc module, you’ll need to do the next:

  1. Open your challenge.

2. Within the Challenge panel, change the show out of your Android recordsdata to Challenge Recordsdata.

Whenever you view recordsdata as Android recordsdata, they’re organized by operate inside the Android working system, akin to by exercise or service. Whenever you view recordsdata as challenge recordsdata, they’re organized by their location on the file system.

That is an instance of what the recordsdata would appear like while you view them as challenge recordsdata: they’re organized by their location within the file system. 👇

3. Now, create a brand new listing from the basis folder of your challenge, and provides it a reputation buildSrc.

4. Now we have to create a brand new gradle file inside this listing.

This may assist convert this from a easy listing to a module. This can even assist construct this module’s dependencies into our different gradle recordsdata in several modules.

By changing a listing to a module, you possibly can create a separate unit of code inside your challenge that may be compiled and run independently. This may be helpful for organizing your challenge and creating reusable code that may be shared throughout a number of purposes or libraries.

That is the way you do it:

a) Create a brand new file and provides it a reputation construct.gradle.kts.

b) Paste the next code into your new file:

c) Synchronize the challenge in order that the brand new modifications work throughout your complete challenge.

In case you discover, this provides just a little sq. blue icon to the underside proper of your buildSrc folder icon and in addition add the construct listing inside it.

Because of this the sync was profitable changing the listing to a module.

5. It is time to add dependencies!

a) in his buildSrccreate a brand new src/important/kotlin listing.

That is used to retailer all your Kotlin supply code for this module, together with how we’ll declare dependencies.

6. Lastly, contained in the src/important/kotlin listing, create a brand new Kotlin object class known as, Depsboth Dependencies.

7. Paste the dependencies you need to your challenge.

Make the dependency model have its personal variable. This ensures that we use the identical model for all comparable dependencies. For instance, compose-ui, compose-ui-tooling, compose-foundation, and many others. all use the identical model, so you will not run into conflicts or errors utilizing completely different variations for various dependencies.

8. Now all you want is to go to the opposite modules gradle file and exchange their already outlined dependencies with those we outlined within the Deps.kt object class

For instance:

implementation 'androidx.compose.ui:ui' may be changed by implementation(Deps.composeUi)

And… congratulations! You now have a extra scalable, structured, and maintainable challenge to your Android app.

By holding your dependencies on the buildSrc module, you possibly can keep away from the chance of sustaining completely different variations of dependencies in several modules. This may make it simpler to handle your challenge and be sure that the whole lot works as anticipated. Additionally, it may make it simpler to refactor your code and make modifications, because you solely have to replace dependencies in a single place.

Usually, create a buildSrc The module is an easy and efficient strategy to handle dependencies in your Android challenge. It will possibly prevent time and problem in the long term and make it easier to construct a extra secure and dependable software.

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How to Avoid Dependency Conflicts in Android Multi-Module Apps | by Waseef Akhtar | Jan, 2023