private fun configureRecyclerView(view: View){
    this.recyclerView = view.findViewById(R.id.fragment_list_recycler_view) as RecyclerView
    this.mAdapter = ListAdapter()
    this.recyclerView.adapter = this.mAdapter
    this.recyclerView.layoutManager = LinearLayoutManager(context)
    ItemClickSupport.addTo(recyclerView, R.layout.fragment_list_item)
            .setOnItemClickListener{ _, position,_ ->
                val property = mAdapter.getProperty(position)
                mCallback.onButtonClicked(property)
                Log.d(TAG, "Click on ${property.id}!")
            }
}

override fun onButtonClicked(property: Property) {
    if(detailFragment != null){
        Log.d(TAG, "onButtonClicked: ID: ${property.id}")
        detailFragment.updateUI(property)
    } else {
        Log.d(TAG, "onButtonClicked: detailFragment == null")
        this.configureAndShowDetailFragment()
        this.onButtonClicked(property)
    }
}

fun updateUI(property: Property){
    Log.d(TAG, "updateUI")
    Log.d(TAG, "Property not null: ${property.id}")
    // Show property inside the layout
    rootView.fragment_detail_data.visibility = View.VISIBLE
    rootView.fragment_detail_empty.visibility = View.GONE

    // pictures inside recyclerview
    this.setPictures(property.id)

    // description
    rootView.fragment_detail_description.text = property.description

    // geolocation
    this.setLatLng(property)
    this.configureMapsFragment()
}

private fun setLatLng(property: Property){
    val lat: Double = property.latitude
    val lng: Double = property.longitude

    this.latlng = LatLng(lat, lng)
    Log.d(TAG, "setLatLng: ${latlng.toString()}")
}

private fun configureMapsFragment(){
    val mapFragment: SupportMapFragment? = childFragmentManager.findFragmentById(R.id.fragment_detail_map) as? SupportMapFragment
    mapFragment?.getMapAsync(this)
}

private fun showProperty(){

    // Wait until map is ready
    if (map != null && latlng != null){
        // Center camera on marker
        map!!.moveCamera(CameraUpdateFactory.newLatLngZoom(latlng, ZOOM))
    }
    return
}

override fun onMapReady(googleMap: GoogleMap) {
    Log.d(TAG, "onMapReady")
    this.map = googleMap
    addMarkers()
    showProperty()
}

private fun addMarkers(){
    map!!.addMarker(MarkerOptions()
            .position(latlng!!))
}