adapter tidakmau nampil

-----------------code-----------------
class EdukasiAdapter(private var edukasi: List<Edukasi>,private var clickListener:(Edukasi)->Unit)
    : RecyclerView.Adapter<EdukasiAdapter.EdukasiViewHolder>() {

    override fun onCreateViewHolder(group: ViewGroup, viewType: Int): EdukasiViewHolder {
        return EdukasiViewHolder(LayoutInflater.from(group.context).inflate(R.layout.item_view_edukasi, group, false))
    }

    override fun getItemCount(): Int {
        return edukasi.size
    }

    override fun onBindViewHolder(holder: EdukasiViewHolder, position: Int) {
        holder.bindItem(edukasi[position],clickListener)

    }

    inner class EdukasiViewHolder(view: View) : RecyclerView.ViewHolder(view) {
        val namaTempat = view.tv_tempat_bencana

        fun bindItem(edukasi: Edukasi, clickListener:(Edukasi)->Unit) {
            namaTempat.text = edukasi.nameEdu

            itemView.setOnClickListener {
                clickListener(edukasi)
            }
        }
    }
}



class EdukasiBencanaFragment : Fragment(), AppBarLayout.OnOffsetChangedListener {

    lateinit var callback: FragmentChange
    private val edukasiList = mutableListOf<Edukasi>()
    private lateinit var edukasiAdapter : EdukasiAdapter
    private val apiManager = MainApps()

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        initRecyclerVeiew()
        loadEdukasiList()
        app_bar_edukasi.addOnOffsetChangedListener(this)
    }

    override fun onActivityCreated(savedInstanceState: Bundle?) {
        super.onActivityCreated(savedInstanceState)
        if (activity is FragmentChange) {
            callback = activity as NavigationActivity
        }
    }

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_edukasi_bencana, container, false)
    }

-----------------eror sekitar sini kemungkinan-----------------
    private fun initRecyclerVeiew() {
        edukasiAdapter = EdukasiAdapter(edukasiList){
            val intent = Intent(context,DetailEdukasiByLocationActivity::class.java)
            startActivity(intent.putExtra("id" , it.idEdu))
        }
        context?.toast("tampil kah ?")
        rv_edukasi.adapter = edukasiAdapter
        rv_edukasi.layoutManager
    }

    fun loadEdukasiList(){
        apiManager.getAllEducation({
            edukasiList.clear()
            edukasiList.addAll(it)
            edukasiAdapter.notifyDataSetChanged()
        }){
            context?.toast(it)
        }
    }
-----------------eror sekitar sini kemungkinan-----------------

}




-----------------debuging-----------------
D/: HostConnection::get() New Host Connection established 0xa4f2b720, tid 30871
I/OpenGLRenderer: Initialized EGL, version 1.4
D/OpenGLRenderer: Swap behavior 1
D/: HostConnection::get() New Host Connection established 0xb7003380, tid 30889
W/EGL_emulation: eglSurfaceAttrib not implemented 3093 12436
W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xb7037fa0, error=EGL_SUCCESS
D/OkHttp: --> GET http://lakonstaging.herokuapp.com/v1/education_categories
    --> END GET
W/EGL_emulation: eglSurfaceAttrib not implemented 3093 12436
W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0x9b4d33c0, error=EGL_SUCCESS
D/OkHttp: <-- 200 OK http://lakonstaging.herokuapp.com/v1/education_categories (947ms)
    Server: Cowboy
    Date: Thu, 08 Nov 2018 01:14:09 GMT
D/OkHttp: X-Frame-Options: SAMEORIGIN
    X-Xss-Protection: 1; mode=block
    X-Content-Type-Options: nosniff
    X-Download-Options: noopen
    X-Permitted-Cross-Domain-Policies: none
D/OkHttp: Referrer-Policy: strict-origin-when-cross-origin
    Content-Type: application/json; charset=utf-8
    Etag: W/"aa27292f01ce4c0779e98ea1c24413ec"
    Cache-Control: max-age=0, private, must-revalidate
    X-Request-Id: ad27008a-d977-46eb-91f3-20615a749b3a
D/OkHttp: X-Runtime: 0.018691
    Transfer-Encoding: chunked
    Via: 1.1 vegur
D/OkHttp: {"error":null,"result":[{"id":1,"name":"pra bencana","created_at":"2018-11-06T02:17:46.212Z","updated_at":"2018-11-06T02:17:46.212Z"},{"id":2,"name":"pasca bencana","created_at":"2018-11-06T02:17:58.046Z","updated_at":"2018-11-06T02:17:58.046Z"}],"status":"success"}
D/OkHttp: <-- END HTTP (266-byte body)