-
-
Save rmakiyama/a6de9fcbebcb7065d4af537a0f5bd2ac to your computer and use it in GitHub Desktop.
RxJava debounce like operator implementation for kotlin coroutine
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| launch(UI) { | |
| editText.onTextChanged() | |
| .debounce(1, TimeUnit.SECONDS) | |
| .consumeEach { | |
| Log.d("DebounceTest", "value: $it") | |
| } | |
| } | |
| } | |
| fun EditText.onTextChanged(): ReceiveChannel<String> = | |
| Channel<String>(capacity = Channel.UNLIMITED).also { channel -> | |
| addTextChangedListener(object : TextWatcher { | |
| override fun afterTextChanged(editable: Editable?) { | |
| editable?.toString().orEmpty().let(channel::offer) | |
| } | |
| override fun beforeTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) { | |
| } | |
| override fun onTextChanged(p0: CharSequence?, p1: Int, p2: Int, p3: Int) { | |
| } | |
| }) | |
| } | |
| fun <T> ReceiveChannel<T>.debounce(time: Long, unit: TimeUnit = TimeUnit.MILLISECONDS): ReceiveChannel<T> = | |
| Channel<T>(capacity = Channel.CONFLATED).also { channel -> | |
| launch { | |
| var value = receive() | |
| whileSelect { | |
| onTimeout(time, unit) { | |
| channel.offer(value) | |
| value = receive() | |
| true | |
| } | |
| onReceive { | |
| value = it | |
| true | |
| } | |
| } | |
| } | |
| } |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment