shlogg · Early preview
Kiolk @kiolk

Improving Search Delay In UI With Channels And Flows

Improved search functionality with debounce using Flow and StateFlow in Android/KMM project, reducing unnecessary API calls and improving user experience.

What I did:
I worked on integrating the sorting and searching UI with the data-fetching logic, and I tested this with articles. Additionally, I added a simple input field for entering a search request. For this task, I had a common search challenge: implementing a delay when a user inputs a word. 
Here's what my first solution looked like:

private var searchJob: Job? = null
fun onSearchTextChanged(searchText: String) {
        _searchText.value = searchText
        searchJob?.cancel()
        searchJob = screenModelScope.launch {
            delay(500)
            if (searchText.isNotEmpty())...