StoreListFragment

class StoreListFragment : Fragment() {
    private var mAdapter: StoreItemAdapter? = null
    private var mStoreList: MutableList<Store>? = null


    fun onCreateView(inflater: LayoutInflater, container: ViewGroup,
                     savedInstanceState: Bundle): View {
        // Inflate the layout for this fragment
        val view = inflater.inflate(R.layout.fragment_store_list, container, false)

        val recyclerView = view.findViewById(R.id.recycler_view)
        recyclerView.setLayoutManager(LinearLayoutManager(getActivity()))

        mStoreList = ArrayList()
        mAdapter = StoreItemAdapter(getActivity(), mStoreList!!)
        mAdapter!!.setListener(this)
        recyclerView.setAdapter(mAdapter)

        if (ConnectivityUtil.isConnected(getActivity())) {
            loadStores()
        } else {
            PopupUtil.showMsg(getActivity(), "No Internet connection", PopupUtil.SHORT)
        }

        return view
    }

    private fun loadStores() {
        PopupUtil.showLoading(getActivity(), "", "Loading stores....")

        val apiEndPoint = ApiClient.getClient().create(ApiEndPoint::class.java)
        val call = apiEndPoint.getStore(java.lang.Double.toString(mLat).toDouble(), java.lang.Double.toString(mLng).toDouble())

        call.enqueue(object : Callback<StoreResponse>() {
            fun onResponse(call: Call<StoreResponse>, response: Response<StoreResponse>) {
                PopupUtil.dismissDialog()
                val storeResponse = response.body()

                if (storeResponse != null) {
                    if (storeResponse!!.success!!) {
                        Log.d("StoreListFragment", "Jumlah store:" + storeResponse!!.store!!.size)
                        mStoreList!!.addAll(storeResponse!!.store!!)

                        getActivity().runOnUiThread(Runnable { mAdapter!!.notifyDataSetChanged() })
                    }
                } else {
                    Log.d("StoreListFragment", "response is null")
                }
            }

            fun onFailure(call: Call<StoreResponse>, t: Throwable) {
                PopupUtil.dismissDialog()

            }
        })

    }

    companion object {
        val KEY_LAT = "lat"
        val KEY_LNG = "lng"
    }
}// Required empty public constructor