Скачать или смотреть How to Pass Parameters from build.gradle to a Custom Gradle Plugin in Kotlin

Learn how to fetch parameters from a Groovy class inside your app's `build.gradle` file and utilize them in your custom Gradle plugin written in Kotlin.
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This video is based on the question https://stackoverflow.com/q/66994872/ asked by the user 'Jaki' ( https://stackoverflow.com/u/15574934/ ) and on the answer https://stackoverflow.com/a/67790613/ provided by the user 'Jaki' ( https://stackoverflow.com/u/15574934/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Seamlessly Integrate Parameters from build.gradle into Your Custom Gradle Plugin

In the world of Android development, customizing your build process is a common task. One unique challenge developers often face is how to fetch parameters from a Groovy class defined in the build.gradle file and utilize them within a custom Gradle plugin. If you've been wrestling with this issue, you're not alone! In this post, we'll walk through how to achieve this integration effectively in a way that's clear and easy to follow.

The Problem: Accessing Parameters

You have set up a custom Gradle plugin in Kotlin and ensured it's functioning correctly. However, you're missing one important piece—fetching configuration parameters defined in your build.gradle file. Here’s a quick recap of the setup you might have:

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Now let's move to your MyPlugin.kt where you would like to access these ArchiveConfig values but ran into some issues getting it right. The error message you encountered—Could not find method ArchiveConfig() for arguments [...]—indicates that the setup for accessing this configuration isn't quite right.

The Solution: Using Extension Objects

According to guidance from established sources, such as documentation provided by @ tim_yates, the key to solving this problem lies in the use of extension objects. This approach effectively enables you to send parameters from your application’s build.gradle file to your custom Gradle plugin for further processing.

Step-by-Step Implementation

1. Define the Extension Object

In your custom Gradle plugin, you'll want to define an extension class where your parameters will reside. Here’s how you can set it up:

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2. Apply the Plugin and Create Extension in apply Method

Next, adjust your MyPlugin class to create an instance of your extension object inside the apply method:

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3. Modifying build.gradle to Use the New Configuration Format

With the extension class in place, you can define your configuration in build.gradle as follows:

[[See Video to Reveal this Text or Code Snippet]]

Conclusion

By utilizing extension objects, you can effortlessly pass parameters from your build.gradle file to your Kotlin-based custom Gradle plugin. This method allows your plugin to dynamically adapt to different configurations and improves the overall flexibility of your build process.

Now that you've learned how to access parameters effectively, you can go ahead and implement this in your project and observe how it enhances your plugin's functionality. Happy coding!