SearchEditTextDrawablesListener.kt

private fun setDrawablesListener() {
    setOnTouchListener(OnTouchListener { view, event ->
        view.performClick()
        if (event.action == MotionEvent.ACTION_UP) {
            when {
                rightDrawableClicked(event) -> {
                    setText("")
                    return@OnTouchListener true
                }
                leftDrawableClicked(event) -> {
                    queryTextListener?.onQueryTextSubmit(text.toString())
                    return@OnTouchListener true
                }
                else -> {
                    return@OnTouchListener false
                }
            }
        }
        false
    })
}

private fun rightDrawableClicked(event: MotionEvent): Boolean {

    val rightDrawable = compoundDrawables[DRAWABLE_RIGHT_INDEX]

    return if (rightDrawable == null) {
        false
    } else {
        val startOfDrawable = width - rightDrawable.bounds.width() - paddingRight
        val endOfDrawable = startOfDrawable + rightDrawable.bounds.width()
        startOfDrawable <= event.x && event.x <= endOfDrawable
    }

}

private fun leftDrawableClicked(event: MotionEvent): Boolean {

    val leftDrawable = compoundDrawables[DRAWABLE_LEFT_INDEX]

    return if (leftDrawable == null) {
        false
    } else {
        val startOfDrawable = paddingLeft
        val endOfDrawable = startOfDrawable + leftDrawable.bounds.width()
        startOfDrawable <= event.x && event.x <= endOfDrawable
    }

}