Kotlin DSL for Litho ComponentLayout Builders.

Related tags

Kotlin android kotlin kotlin-library android-library kotlin-dsl litho
Overview

Litho Kotlin

Kotlin DSL for Litho Component.Builders.

Usage

Import

  1. Copy Litho.kt into your project under com/makeramen/litho.
  2. Add any definitions for your own custom components, e.g. 
    @LithoMarker
fun myComponent(c: ComponentContext, init: MyComponent.Builder.() -> Unit) =
    componentBuilder(c, MyComponent::create, init)

@LithoMarker
fun ChildHolder.myComponent(c: ComponentContext, init: MyComponent.Builder.() -> Unit) =
    componentBuilder(c, MyComponent::create, init)
  3. Remove any definitions you don't want to use, like recyclerCollectionComponent if you're not using Sections.

I may look into a proper Maven Central release in the future, but it's just one file, and extensibility for custom components is the best part.

Example

@LayoutSpec
object ExampleComponentSpec {

  @OnCreateLayout
  fun onCreateLayout(c: ComponentContext): Component {
    return column(c) {               // Init root Components by passing in the context
      paddingDip(YogaEdge.ALL, 8f)   // Attributes can be defined inline within the lambda
      children {                     // Add children using a children element
        text {                       // ComponentBuilders within a children element don't need a context
          text("TWO")
          textSizeDip(16f)
        }
        text {
          text("THREE")
          textSizeDip(16f)
        }
      }
    }
  }
}
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Comments
  • Usage example for recycler

    Usage example for recycler

    Currently using component instead

            component(c, RecyclerCollectionComponent::create) {
          section(
              ResultsListSection.create(SectionContext(c)).results(results).build())
              .disablePTR(true).flexGrow(1f)
        }

    But ideal would be closer to

            recycler(RecyclerCollectionComponent::create) {
          section {
            results(results).build()).disablePTR(true).flexGrow(1f)
          }
        }
    opened by yschimke 1
  • new form of component

    new form of component

    Add new form of component

    fun <C : Component<out Component<*>>, B : Component.Builder<C, B>> ChildHolder.component(
    component: B,
    init: B.() -> Unit) {
  val builder = component
  builder.init()
  this.children.add(builder)
}

    Before

            component(c, { QueryComponent.create(c) }) {
          initialUrl(initialUrl).executeListener(executeListener).flexGrow(0f)
        }

    After

    
        component(QueryComponent.create(c)) {
          initialUrl(initialUrl).executeListener(executeListener).flexGrow(0f)
        }
    opened by yschimke 1
Releases(v0.1)
Owner
Vince Mi
Vince Mi
GitHub
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