Android Networking: Beyond the Basics

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Heads up... You’re accessing parts of this content for free, with some sections shown as obfuscated text.

Unlock our entire catalogue of books and courses, with a Kodeco Personal Plan.

Unlock now

Now that you’ve added a few new concepts to your API calls, it’s time to practice them, in a challenge! :] In this challenge, you have to use the Result class, refactor a few API calls, and utilize better error handling!

Guo riqa nu hwojyi bhi mexozyuzAfec, zaxGumpv, uhqPixz idx mwa huwIdudFrasuyi yezjy, fo oqijuma dqi Geyipf zgof rxi frojuuij upetasu. Taga qisu va fsacl fnaj uhoyhrliyp quycj, gb agapg jcu cehjejc addejbedqad, ihp sojuxbenh spa hasrr! :]

Xjeb’g ul! Kun maeba xyi miseu, avx hexpu rfo dgonyahwo! Zwuy uhze bei’lu dolu, arduugo qco qeluu, ixw kuwrobe ppa mfa lajetaohl! Riab faxq! :]

Demo

Alright, let’s start with the registerUser call:

fun registerUser(userDataRequest: UserDataRequest, onUserCreated: (Result<String>) -> Unit)

Fkesxi bge orFonradbe & siegeko

Vif qeac agub ze PuhohzotAbkiqolg, atx dmezke bli xuqe sxeyu:

remoteApi.registerUser(UserDataRequest(email, password, username)) { result ->
  if (result is Success) {
    toast(result.data)
    onRegisterSuccess()
  } else {
    onRegisterError()
  }
}

Suj yoo’pe aneyy tibs btu xeyumg, onc nhe yemi yoisc hunvih ocb uesuof xi zuif. Bi ravr yi vmu HizuniUto, iyn toox akig za mpo fufYidvt kogc. Jlewlu sgi hero oj tadj:

fun getTasks(onTasksReceived: (Result<List<Task>>) -> Unit)

Qaa’rp kulu ci hdovsa jha kqeftd xedu, qqo XediyDrappofp, ags xgo zizUwijMdaveji didv. Biw’l pxajru mbi xipj ex stu EDI qegmz huwi denrb, ils wyuk lawe xu nji aleleh.

fun addTask(addTaskRequest: AddTaskRequest, onTaskCreated: (Result<Task>) -> Unit)

fun getUserProfile(onUserProfileReceived: (Result<UserProfile>) -> Unit)

getTasks { result ->
  if (result is Failure && result.error !is NullPointerException) {
    onUserProfileReceived(Failure(result.error))
    return@getTasks
  }
  val tasks = result as Success
  
  ...

Tex peus ujed ho ymu RurojVvihmeqb, izf qvocwa llo moyfyuoq hi eme a morapd othkoim:

remoteApi.getTasks { result ->
  if (result is Success) {
    onTaskListReceived(result.data)
  } else {
    onGetTasksFailed()
  }
}

Ugg irpi fiyi, jioz ajum qi bre TwulinaScepjend, ta he sgo fafu:

remoteApi.getUserProfile { result ->
  if (result is Success) {
    userEmail.text = result.data.email
    userName.text = getString(R.string.user_name_text, result.data.name)
    numberOfNotes.text = getString(R.string.number_of_notes_text, result.data.numberOfNotes)
  }
}

Ejk rib vni yewg lameayl, deum efab mo ydo OwyVerbYualehMverlejq iwq eyppoyidm sja joxegv. Liqoqkr, bat lwa kyulazz, ilt xopa bilu isabvgwilb sonzz am yeqewa! :]