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RxJava debounce like operator implementation for kotlin coroutine
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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 | |
} | |
} | |
} | |
} |
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