Extention function tu turn EditText input on Android into StateFlow

EditTextAsStateFlow.kt

// source: https://github.com/HamdiBoumaiza/Stars/blob/main/app/src/main/java/com/hb/stars/utils/Extensions.kt

// extention function anywhere:
fun EditText.getTextChangeStateFlow(): StateFlow<String> {
    val query = MutableStateFlow("")
    addTextChangedListener {
        query.value = it.toString()
    }
    return query
}

// https://github.com/HamdiBoumaiza/Stars/blob/main/app/src/main/java/com/hb/stars/ui/search/SearchCharactersActivity.kt
// in activity or fragment
    @FlowPreview
    @ExperimentalCoroutinesApi
    @SuppressLint("ClickableViewAccessibility")
    private fun setEditTextListener() {
        lifecycleScope.launch {
            binding.mySearchField.getTextChangeStateFlow()
                    .debounce(200)
                    .filter { query ->
                        if (query.isEmpty()) {
                            runOnUiThread { setError(null) }
                            return@filter false
                        } else {
                            return@filter true
                        }
                    }
                    .distinctUntilChanged()
                    .flatMapLatest { query ->
                        viewModel.searchCharacters(query)
                    }
                    .flowOn(Dispatchers.Default)
                    .collect { result ->
                        processResult(result)
                    }
        }
    }

fun processResult(result: MyResult) { }