LocalInspectionMode - Other examples

LocalInspectionModeDemo.kt

@Composable
fun ImageComponent() {
    Column(
        verticalArrangement = Arrangement.spacedBy(16.dp),
        modifier = Modifier.padding(16.dp)
    ) {
        val imageUrl = "https://img.goodfon.com/original/800x600/e/12/voda-more-aysberg-nebo.jpg"
        if (LocalInspectionMode.current) {
            // Show this image from the resources rather than loading an image from the internet
            Image(
                painter = painterResource(id = R.drawable.iceberg_preview),
                contentDescription = null,
                contentScale = ContentScale.FillWidth,
                modifier = Modifier.fillMaxWidth()
            )
        } else {
            // Show this image in the live version
            AsyncImage(
                model = imageUrl,
                contentDescription = null,
                contentScale = ContentScale.FillWidth,
                modifier = Modifier.fillMaxWidth()
            )
        }
    }
}

@Composable
fun AnalyticsComponent() {
    if (!LocalInspectionMode.current) {
        // Firebase is not initialised in Previews and will cause an error
        Firebase.analytics.logEvent(FirebaseAnalytics.Event.SCREEN_VIEW, Bundle())
    }
    Column(modifier = Modifier.padding(16.dp)) {
        Text("This is a component that contains an analytics call that runs on display")
    }
}

@Composable
fun ViewModelComponent() {
    val viewModel: MainViewModel = hiltViewModel()
    val list: List<String> = if (!LocalInspectionMode.current) {
        viewModel.someViewModelFlow.collectAsState(initial = emptyList()).value
    } else {
        // For Previews, we want to show the flow in a different state
        // In this case, it would be better to create a composable from the actual content
        // (the Row below) and pass in a list
        listOf("d", "e", "f")
    }
    Row(horizontalArrangement = Arrangement.spacedBy(8.dp), modifier = Modifier.padding(16.dp)) {
        Text("From the view model flow: ")
        list.forEach {
            Text(it)
        }
    }
}

MainViewModel.kt

@HiltViewModel
class MainViewModel @Inject constructor() : ViewModel() {

    val someViewModelFlow = MutableStateFlow(listOf("a", "b", "c"))
}