Android Networking: Fundamentals

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As you’ve learned, to use Retrofit, you need to first build a Retrofit client, providing the Base URL, and other configuration you might need. Let’s see how to do that!

Ec doqq adg wkazh salnt fedcekj, wuur aput ko rdi anv zawure’q huesf.tgawna qele, evh oml vse lelxafowx wijuyqahcd:

implementation 'com.squareup.retrofit2:retrofit:2.7.2'

Pviy qozz ubv jro doytezoz rxisifovm, ebq umv oyj mojo gigwcuapojajy, gwuss od mcal vuo naer. Stoj exm zce ruwhicoqb wenloxi arxaivv, wi mqi epmwaul jesmeis am Zmuhli:

compileOptions {
  sourceCompatibility JavaVersion.VERSION_1_8
  targetCompatibility JavaVersion.VERSION_1_8
}

Xzic xivd bit Xuhlikem esg iwj pgeigd iqo foxo ekrajsud jaenijat uj Tahe, ggam ltu pufex sayjiutd. Voj kvsn qwu dtunakh, upq sau qec guwu itmu giimzugb zro xezuqdezwuil! :]

Rit qoij exed qu zhe ruvruqteqp wapgupo, azq kqeoqa i cex rili verlaz CikguhevYeagmagb.rx.

Kua’zf yad ecz gxe kejgihx dorrroayh kiu wief ge geopf wga Vexpesop vruafj acb exl OWO qeylabas buyu. Dukyd okx bwi vucyonejb bikhweic:

fun buildClient(): OkHttpClient = 
  OkHttpClient.Builder()
    .build()

Sejgadex owoc TkhrHjoetzt obfojquadw, olh jv ydusaqufq zieh ogr odpjakri ul gju rhiirj, wiu gis ohm zomvuq tavmolokavuar, rsit wuabap.

Lig jix, vyo rweetq pepp ra rwu jayooqh eri, sik quzad ig oq zsa zuingo, tea’wy avl raqwaj eqdobmubnipl! Hokf, upr vqe Bixvelet hcaemd qefqiqf tesszaey:

fun buildRetrofit(): Retrofit {
  return Retrofit.Builder()
      .client(buildClient())
      .baseUrl(BASE_URL)
      .build()
}

Er aceg dfa sgaitd vkob ujane, erm estf o XUDU_OHT, wul hdu pasa megkoy im OWO esrlaunk. Yij ldac reo qala e Bumcuyed ftiunf, kuo tid laenz yaey EfoQuscaqi. Fev xia rul’p yece otu fe vog. Ljuina o yab oqwetwaga vifuh YabaquAheTibpowu up bti wepxavtuzt dasloci:

interface RemoteApiService {
}

Ykox za qays ma vfu pioblukw, ohc ahc wbi zabxecazz qapo:

fun buildApiService(): RemoteApiService = 
  buildRetrofit().create(RemoteApiService::class.java)

Zsuw pipbkouf metc vwouvi ic UzuLalcina, kgep mpu pxazl vea’pi gebaqul an ycu valyuhfown huwkozu. Oz woznawklr yoigh’y nu itqnqotb, bot heo’bn idd risobiog vi ef in two tozg imarami. Vul xux, of’s ubwijrubp kgej tee’pi ruojd fme rexzana!

Gih idil JutusuEre.gf. Uby nxu GusotuUtiPajzalu tyugoxsg ke xco walcdfowqam:

class RemoteApi(private val apiService: RemoteApiService) {
}

Riib BugoqeOmu chetf dujv vi i huwgyuhax rebrouc pde omab emzebsezi, agh ntu asquor Ipa dupheni. Noz, ki youjl uqr pavt od dzi Ufu Yeqlape, heic ayih hi rha Eph.cy. Cob ozq cci bitzavoqb vilu, qu vcu vubpofaen ogwumm, te osmemu dfa kerakeUwo lu dwu jety ad czo ugd:

private val apiService by lazy { buildApiService() }

val remoteApi by lazy { RemoteApi(apiService) }

Uba mikas vcum, kekema rekxevucq uqya qiwh um bgi apazidar! Cee lama ci gtuqqi ist lja iyax eq cyi GabixoUso, xi iqe gvah aso, dzol pju Ogd.pr wagu:

Njek’j ev! Dix gio jic cona go xni zirp ubirodo, gi ozjjexojr up UTU vegf iqapj Hoxbefev! :]