Injecting Composables¶

For the rare case that an object needs to be shared between UI and other components, Khonshu’s Codegen supports injecting objects into the annotated Composable. Any parameter of that function that is not the state or sendAction parameter will be looked up through the generated Dagger component.

Injecting the following ExampleClass

// could use @SingleIn(...) with the matching scope or a parent scope
class ExampleClass @Inject constructor() {
    // implementation ...
}

would then look like this:

ComposeCompose with Fragments

@ComposeScreen(...)
@Composable
internal fun ExampleUi(
  exampleClass: ExampleClass,
  state: ExampleState,
  sendAction: (ExampleAction) -> Unit
) {
  // composable logic ...
}

@ComposeFragment(...)
@Composable
internal fun ExampleUi(
  exampleClass: ExampleClass,
  state: ExampleState,
  sendAction: (ExampleAction) -> Unit
) {
  // composable logic ...
}