TextChangedExtension.kt

import android.text.Editable
import android.text.TextWatcher
import android.widget.EditText

fun EditText.onTextChanged(
  @IntRange(from = 0, to = 10000) debounce: Int = 0,
  cb: (String) -> Unit
) {
  addTextChangedListener(object : TextWatcher {
    val callbackRunner = Runnable {
      cb(text.trim().toString())
    }

    override fun afterTextChanged(s: Editable?) = Unit

    override fun beforeTextChanged(
      s: CharSequence,
      start: Int,
      count: Int,
      after: Int
    ) = Unit

    override fun onTextChanged(
      s: CharSequence,
      start: Int,
      before: Int,
      count: Int
    ) {
      removeCallbacks(callbackRunner)
      if (debounce == 0) {
        callbackRunner.run()
      } else {
        postDelayed(callbackRunner, debounce.toLong())
      }
    }
  })
}