CameraIdleListener.kt

map.setOnCameraIdleListener {
    val newPosition = map.cameraPosition.target
    if (newPosition != oldPosition) {
        // drag ended
        icon_marker.animate().translationY(0f).start()
        icon_marker_shadow.animate().withStartAction {
            icon_marker_shadow.setPadding(0)
        }.start()

        getLocation(newPosition) { item ->
            bottomSheet.state = BottomSheetBehavior.STATE_COLLAPSED
            val position = item.position
            val findLocation = LatLng(position.lat, position.lng)

            map.animateCamera(CameraUpdateFactory.newLatLng(findLocation), 200,
                object : GoogleMap.CancelableCallback {
                    override fun onFinish() {
                        hasFetch = true
                        animateMarker = true
                    }

                    override fun onCancel() {
                        animateMarker = true
                    }

                })

            val titlePlace = item.title
            val address = item.address.label

            text_title.text = titlePlace
            text_address.text = address
        }
    }
}