SAM applications in android

gistfile1.kt

fun interface OnAction {
    fun execute(context: Context)

    companion object {
        fun withLogging(tag: String = "MyAction",
                        message: String = "Button clicked",
                        action: (Context) -> Unit
        ): OnAction {
            return OnAction { context ->
                Log.d(tag, message)
                action(context)
            }
        }
    }
}
@Composable
fun MyActionButton(label: String, action: OnAction) {
    val context = LocalContext.current
    Button(onClick = { action.execute(context) }) {
        Text(label)
    }
}
//###############################android_example#########################################

fun interface OnItemClickListener {
    fun onItemClick(item: String)

    companion object {
        fun withLogging(
            tag: String = "ListItemClick",
            messagePrefix: String = "Clicked on: ",
            action: (String) -> Unit
        ): OnItemClickListener {
            return OnItemClickListener { item ->
                Log.d(tag, "$messagePrefix$item")
                action(item)
            }
        }
    }
}

@Composable
fun ItemList(items: List<String>, listener: OnItemClickListener) {
    LazyColumn {
        items(items) { item ->
            ListItem(item, listener)
        }
    }
}


@Composable
fun ListItem(item: String, listener: OnItemClickListener) {
    Text(
        text = item,
        modifier = Modifier
            .fillMaxWidth()
            .clickable { listener.onItemClick(item) }
            .padding(16.dp)
    )
}


@Composable
fun MainScreen() {
    val items = listOf("Kotlin", "Compose", "Coroutines", "ViewModel")

    val itemClickListener = OnItemClickListener.withLogging { item ->
        // واکنش سفارشی هنگام کلیک
        // مثلاً: نمایش Toast یا ناوبری
    }

    ItemList(items, itemClickListener)
}