Writing custom Gradle plugins you can apply to your build scripts.Įxtracting utility functions and configurations to make them globally available in your build scripts. Things you can do with buildSrc include but are not limited to: buildSrc is the first module compiled during a Gradle build, and its source artifacts are available throughout your entire build script. The buildSrc module is a special module that can live in any Gradle multi-module project (which Android projects are). The simplest way to do this is by adding a buildSrc module to your Android project. One easy way of alleviating these problems is to move parts of your scripts to Kotlin. While these downsides can be neglected in adle files as large as the example above, they start causing real problems when writing and maintaining build scripts with several thousand lines of code. Right now, it’s simply not possible to attach a step debugger to your adle file to inspect its execution. This is not a problem of the Groovy language, but rather of the combination of Groovy and Gradle. execute) your script to know about existing methods and properties, code completion is unresponsive and delivers poor results compared to the results in statically typed languages. Since the IDE needs to dynamically evaluate (i.e. Due to the dynamic nature of the Groovy language, your IDE has a hard time providing valuable coding assistance to you, the developer. While you are used to immediate typo checking when writing code in statically typed languages (like Java or Kotlin), you won’t get that benefit in Gradle files. This means that your IDE won’t be able to verify your build script’s validity while writing it. About Groovy’s DownsidesĪlthough Groovy is a great general-purpose language for writing scripts in domain-specific language, the use of Groovy in Gradle build scripts (especially in Android Studio) comes with some downsides: This Android build-specific DSL is provided by the Android Gradle plugin, and Groovy “merely” provides the foundation for creating libraries in a way that allows expressive and domain-specific usage. The various names of properties and methods used by this adle file are not part of the Groovy language itself.
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