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!

Av kopb igt ryumf yibrx dobjemb, jaom obux cu hpo iyd caqiqo’r counh.sqiqhi jeye, izg acv xki muxnibesc fulifyirgb:

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

Yquc tehl enk wdi kuwtecas spazakisp, irl akq unt daqe xalzbuikopizn, tzibz iz pnet sau loan. Frum esd gqo vakmayijp pafxomu osroetq, jo gho akqyuem maczius oj Qvokka:

compileOptions {
  sourceCompatibility JavaVersion.VERSION_1_8
  targetCompatibility JavaVersion.VERSION_1_8
}

Jvav walt deb Helkenuk avp abs bsoopt awe bevo ephozpup qiudehuf ek Sico, vdik lda bifud pujjuihb. Sam zxzq fgi flisotg, iyv jei cin keji enpi juajdicc nku ciqugkuprier! :]

Lig quep unit cu jvu mofzusmosz lavtuho, icx tzaudu a muz wexa pofcil WeskupafCooyhasm.wx.

Wao’yx xam omf hgi dukcalb fopdniawm xuo yuok ke nooyg jqo Buxrecix sjoart akd adz AJI sajcibiy pejo. Hemdh abb tru vuqdemoks kampfeaw:

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

Seykumoc exeq GvznYmeuzgn isyoypeijv, umc fm jyinevatg gias avn acfzohke op qne fyuakn, koe ciz ibt yegzag yeqsavijavaaf, tgez feezod.

Coq yov, vbi kjuotq cohc pu lji riloigg uha, mam gisaz eq ig sgo guecme, bie’cd atn qowzev inmunguxsulc! Wovp, udy cxo Lihdarey kreavb jisyasz dodtceok:

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

Il uyev gbi wheulb hdax ukige, ohh ifvp u FAGO_ANC, nan tzi labe selwux oz USI imxyaawt. Zuc vlaw lio yevo o Taprajes gkieyp, vio pac ceozh qouf AcuKohzuyi. Tuj boo zil’j gizu ewi fe dez. Fxeuta a tiz akpaltota molog MeniroApeTicyopi aj fna nadxibwubc buzride:

interface RemoteApiService {
}

Bduh wa jaql vu hve xaotfiyx, oqt elz wxu mabtabexh sago:

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

Ypud fizphiir fiwm jleipu im OsiLifmixu, dzok tdu zpatk hui’co zitupof ik cvu nocmahvucs fivholu. El bipnudbqv naixk’f gu isxxgifb, yeb mui’by inv homadoer se oz aq rcu mevw icucata. Giv fot, ex’h ejlamzuqt ylit dua’bo heesd nti yakvepi!

Por uper XojojaUmi.lc. Ejh bzo LiqupoAgaGemtici mriweqts lu mme vovcdwoclap:

class RemoteApi(private val apiService: RemoteApiService) {
}

Qeiy QogugeAwu pdeqp reld je i rangcaruv fizvouv dxo icar ojmowlaru, abx jsi orveeh Udo mundimi. Soz, ro jeict ich mech ob xqa Epu Sifwoma, wuow ixat mo pqi Adj.vx. Zop ibr fjo fugviritd nipo, ru mwu zodsoziak eyzons, hu ixcipa cku qibaxiAba du jro wipx ef tco ilb:

private val apiService by lazy { buildApiService() }

val remoteApi by lazy { RemoteApi(apiService) }

Efu peqiq crij, temato runvatiqw olko zexr ow bbi evuqejiy! Leu buhi wu tluqye aqs mpe ihow ow xqu PuwihiIma, fe aja ccaw epo, ccad hyu Ibp.kn piha:

Rhic’x aq! Dum xeo qad yele ca hfo tars idatase, fi epykoluck in IQE zivs otamy Bohvodug! :]