August 2017
Intermediate to advanced
440 pages
10h
English
Content preview from Android Development with Kotlin
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Domain-specific language
Features such as a lambda literal with a receiver and member extension functions make it possible to define type-safe builders, which are used in Groovy. The most well-known Android example is the Gradle configuration build.gradle, which is currently written in Groovy. These kinds of builder are a good alternative to XML, HTML, or configuration files. The advantage of using Kotlin is that we can make such configurations fully type-safe and provide a better IDE. Such builders are one example of a Kotlin domain-specific language (DSL).
The most popular Kotlin DSL pattern in Android is the implementation of optional callback classes. They are used to solve a problem with a lack of functional support to callback interfaces ...
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