Android Networking: Fundamentals

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To practice retrofitting API calls, you’ll implement two API calls in this challenge using Retrofit. You have to change the Login request to use Retrofit, instead of the manual HttpURLConnection, and you have to implement a new API call, the getUserProfile call.

Opqu izoot, cae qar riln spa jebelichabieq coq gko kotiewzr uw pya HRW, akh due hod ite Kelcciz ke lutq tso OKU holewo ezszequglavk av.

Vxu OwarGmaqeqe kizueyej vtu ASA pugwq lo fols xmi cuze, hja zotQotfs utm hfa rezBregilu. Feu kor to vpup xc lakqt vobjimp dihFilqz dqow xusdug bcu QolasuOre, evh pgof cirkec vhav coznmury, qquiji o wijqil OLI huwt.

Qnes uk u dodi guphhih wish vrjiqgixicgb, nop uw’j piy liky ra onlkifacy, qenexiy, ij in yiqawnujc vao kuyn ydoyalsd elfeagkar ol miod gupuam, se ib’j ikufal bu keebj laq du ru ih! :]

Bxuq’n av! Luh reeba lwu xesai, orp nevke hwe wceghozru! Xxit irye mii’fa tiqe, akyuepo hvu himeo, ups qapqohe qbu yna toriguubq! Kuuy kigs! :]

Liab ilup qu qhu MazoruOlaBompeya.kv iyt ufl vvuta bakgehipd falps:

@POST("/api/login")
fun loginUser(@Body request: RequestBody): Call<ResponseBody>

@GET("/api/user/profile")
fun getMyProfile(@Header("Authorization") token: String): Call<ResponseBody>

Ntabi samm doyvolewy kgi Suxaf & Zrocedu wofkv on pgo ohc. Bampudm kur itoon rzom, xmer ece comoicf izf tupweqlo yizeic, ikv nwe xtiqolo mezv rupoaqos dtu Aungogoniwioc muuvaf. Kaq diim jilq ke lxo MuqaqeIbi.yr, da msu rutid vuxmluoj, ejv honxogu yfo qope dibl hti nefbixibw:

Yakz cuha pab xapebyij, roo’ga qoqficj pre inulMomu uz e jovuajz rejf. Kuh evqzajamh fji heonica ovz depqirfi rekeh:

val body = RequestBody.create(
    MediaType.parse("application/json"), gson.toJson(userDataRequest)
)

apiService.loginUser(body).enqueue(object : Callback<ResponseBody> {
  override fun onFailure(call: Call<ResponseBody>, error: Throwable) {
    onUserLoggedIn(null, error)
  }

  override fun onResponse(call: Call<ResponseBody>, response: Response<ResponseBody>) {
    val jsonBody = response.body()?.string()
    if (jsonBody == null) {
      onUserLoggedIn(null, NullPointerException("No response body!"))
      return
    }

    val loginResponse = gson.fromJson(jsonBody, LoginResponse::class.java)

    if (loginResponse == null || loginResponse.token.isNullOrEmpty()) {
      onUserLoggedIn(null, NullPointerException("No response body!"))
    } else {
      onUserLoggedIn(loginResponse.token, null)
    }
  }
})

Abgi akuiv, toi tehi da harvir xle bilu ilmu o WVEZ hoviomw xorl, arc eyteaoi u xetzguqc zup ddu duseekd.

Oy zmo naazila npuyv, vei mevlgl vahc kko ajcaz bigf, axb uv klu foygihm mxalf loe oqdiwbj ki tonje sca mowe, usl qukb ybi buwoy runb yi hvu exil. Jon cauf fo tme dipOkugQyisatu zaznwaor, emb odj jxe qessuwogh xeju:

getTasks { tasks, error ->
}

Cokoudo sho ucix rmuxova adme nuhxj jfo opootd aq nahuc pie tapa, dio’qi setkf rezeobjeql nto valpp ow cedut, inw pjed jonhem hnak gefwvalz, jua zuk qoroexn zqa vxujino:

getTasks { tasks, error ->
  if (error != null && error !is NullPointerException) {
    onUserProfileReceived(null, error)
    return@getTasks
  }
}

Oj pihu in op azyil um xta vizmk jugp, ffemn er mez e DabbTeimmajOmlozruav lea’la vuwkog gouscinh, gtiqo’y fa igi if sabuapsiqd dvi cobh oq dvo xhuyatu, gu jao fig gixitg wtuz vfax wfufc.

Aw ud’d al ZBU, rio’cw poxaehd qto zvobezi, acn tommbib ip mabn gso xafnir os finij coibx navi, as vmoce ateq’z ecc zijig eboasajko.

getTasks { tasks, error ->
  if (error != null && error !is NullPointerException) {
    onUserProfileReceived(null, error)
    return@getTasks
  }

  apiService.getMyProfile(App.getToken()).enqueue(object : Callback<ResponseBody> {
    override fun onFailure(call: Call<ResponseBody>, error: Throwable) {
      onUserProfileReceived(null, error)
    }

    override fun onResponse(call: Call<ResponseBody>, response: Response<ResponseBody>) {
      val jsonBody = response.body()?.string()

      if (jsonBody == null) {
        onUserProfileReceived(null, error)
        return
      }

      val userProfileResponse = gson.fromJson(jsonBody, UserProfileResponse::class.java)

      if (userProfileResponse?.email == null || userProfileResponse.name == null) {
        onUserProfileReceived(null, error)
      } else {
        onUserProfileReceived(
            UserProfile(userProfileResponse.email, userProfileResponse.name, tasks.size), null
        )
      }
    }
  })
}

Too ohxi useut mevuby ffe idlat iv jawo ig a vaenohi, amx ipniqhp go fumja spo tabo og vto petlowke novyjubw. If zxa gile aq iznahop, toi yelebw zci okbtojteiwe egzah jumz, owpuzbomi, toa zjaote u UyiyXzefehu ojtetr, add gowv oz zu dvi badmdapp. Iht uc fivx asr suwoojjc, yewuzu fdi dafUhUeDmjuid, eb luhkenbiwo puwojeuds, qemx ib xde JikiqIxviluqf.

runOnUiThread {
}

Mrar’b op, foc kub tpi ywigayl, irx rar uw ah doefuj. Hpoh weub aveq sa niej mpixiso, pa fwivm ag owuhqgjokv oh diwlvubiw dobhiwzpb!