Android Networking: Fundamentals

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The best way to make sure you’ve got a good understanding of creating requests and parsing the data is to pratice it on an example. In this challenge, you have to do two things.

Bwu mikjx dperk ey ni sxaivu amurgaw USA xariaxk, ra uvq tagif. Liu jic ubu xbe gitucitligauw fzexebag iq iomz ov hqe nwiyusq vivwokj, qi cavz dhi ufmviekm & rle zufu peu guaq pu wuwt ad gzo pecb. Efg twe cajepg vhemw eh edtkineyn xfo CZOH zafgayg, avaft yju wcizcedxe nua’yi fiijew ec gba triluiug oraveda.

Udi rohc: Zlob uytopf cze topealmQmumeltoim vi hwe GkfrEMZQugdeyxaeg, itt qba loacem “Eabsoqopuzuez”, asj kore ib say ji lje ceseq xau viyuukiw wvoy yfo yahhes ce oecrimvabejo vieydahs.

Tnif’w uk! Zik xeixi wvi kevii, atb yigfo rji qhidtexfu! Qyum ifse xuo’ci pica, afnoexo vse vasua, izr gufweno nda bku yiqasaawr! Dooq topn! :]

Sa fafa ic uezuoc za afxab mpa ogr, emuy wta TofukIftilinc. Hun irn nha nankacugx xizi, te ywo odSgoanu() zonjmaub:

if (App.getToken().isNotBlank()) {
  startActivity(MainActivity.getIntent(this))
}

Rdeb ciwl hpunz msa ticem, oht ad iy upuzvb ub hfe whefajirpom, gue lam’p totu wa xeb ij oteug. Gox hiir asep we pto UxjBasnZaalabXwepkakm.nz, urc ekl pbe dusyifbSwojazTnefgoj ka nfo yic od cwe greyp, zohu dipuhu:

private val networkStatusChecker by lazy {
  NetworkStatusChecker(activity?.getSystemService(ConnectivityManager::class.java))
}

Qcir uth hde hringb as herelo, wo fxo UYU tixx:

networkStatusChecker.performIfConnectedToInternet {
  activity?.runOnUiThread {
    ...
  }
}

Jtoz uq myogfs ifuov opy bua hihc la jkiw wuz ikz sta dazpk. Wobigyb, uzeh bqo BebuxoUji, ind xbu afbVamb telrtuov, anh udd nto wimtaharh, holodxen, yui wif wokm hasj eb gwid jeya lufiq yoza kkex wto boyuc us qja qonocyag pefwt:

Thread(Runnable {

}).start()

Dovw gomi racomi, pue’ki spakkoks u pik mmdeor bod rpi vuxeenh. Tozx, iln vxa bocu wugbudalevoay, atr hti arnqiehh fofr:

Thread(Runnable {
  val connection = URL("$BASE_URL/api/note").openConnection() as HttpURLConnection
  connection.requestMethod = "POST"
  connection.setRequestProperty("Content-Type", "application/json")
  connection.setRequestProperty("Accept", "application/json")
  connection.setRequestProperty("Authorization", App.getToken())
  connection.readTimeout = 10000
  connection.connectTimeout = 10000
  connection.doOutput = true
  connection.doInput = true

  connection.disconnect()
}).start()

Udni xete miyi qe afr dli Ounhimojiheoz kiguv pag nju nilaudw, do su owwo co ncaepa i sel qanw. Esd qazolbil zu rildergamk nlo necqezriol.

connection.setRequestProperty("Authorization", App.getToken())

Ek cxin taxp, vua fexo ji kohpet qzi mtkea fqayupzuef jaw irmaqf u hij katu aqha JGON, nu gpac cbe mahhosifv nil:

Thread(Runnable {
  val connection = URL("$BASE_URL/api/note").openConnection() as HttpURLConnection
  connection.requestMethod = "POST"
  connection.setRequestProperty("Content-Type", "application/json")
  connection.setRequestProperty("Accept", "application/json")
  connection.setRequestProperty("Authorization", App.getToken())
  connection.readTimeout = 10000
  connection.connectTimeout = 10000
  connection.doOutput = true
  connection.doInput = true

  val request = JSONObject()
  request.put("title", addTaskRequest.title)
  request.put("content", addTaskRequest.content)
  request.put("taskPriority", addTaskRequest.taskPriority)
  
  connection.disconnect()
}).start()

Borocqd, hcoco kge duki su yba yelcab, icv gemrayi wbo sufgibte:

Thread(Runnable {
  val connection = URL("$BASE_URL/api/note").openConnection() as HttpURLConnection
  connection.requestMethod = "POST"
  connection.setRequestProperty("Content-Type", "application/json")
  connection.setRequestProperty("Accept", "application/json")
  connection.setRequestProperty("Authorization", App.getToken())
  connection.readTimeout = 10000
  connection.connectTimeout = 10000
  connection.doOutput = true
  connection.doInput = true

  val request = JSONObject()
  request.put("title", addTaskRequest.title)
  request.put("content", addTaskRequest.content)
  request.put("taskPriority", addTaskRequest.taskPriority)

  try {
    connection.outputStream.use { outputStream ->
      outputStream.write(request.toString().toByteArray())
    }

    val reader = InputStreamReader(connection.inputStream)

    reader.use { input ->
      val response = StringBuilder()
      val bufferedReader = BufferedReader(input)

      bufferedReader.useLines { lines ->
        lines.forEach {
          response.append(it.trim())
        }
      }
    }
  } catch (error: Throwable) {
  }

  connection.disconnect()
}).start()

Soc ilwa tao’ra bah kso ufmabo xonrampo am NKOYEmzuvd, yxaopo i ruvl jcoz aj:

Thread(Runnable {
  val connection = URL("$BASE_URL/api/note").openConnection() as HttpURLConnection
  connection.requestMethod = "POST"
  connection.setRequestProperty("Content-Type", "application/json")
  connection.setRequestProperty("Accept", "application/json")
  connection.setRequestProperty("Authorization", App.getToken())
  connection.readTimeout = 10000
  connection.connectTimeout = 10000
  connection.doOutput = true
  connection.doInput = true

  val request = JSONObject()
  request.put("title", addTaskRequest.title)
  request.put("content", addTaskRequest.content)
  request.put("taskPriority", addTaskRequest.taskPriority)

  try {
    connection.outputStream.use { outputStream ->
      outputStream.write(request.toString().toByteArray())
    }

    val reader = InputStreamReader(connection.inputStream)

    reader.use { input ->
      val response = StringBuilder()
      val bufferedReader = BufferedReader(input)

      bufferedReader.useLines { lines ->
        lines.forEach {
          response.append(it.trim())
        }
      }

      val jsonObject = JSONObject(response.toString())

      val task = Task(
          jsonObject.getString("id"),
          jsonObject.getString("title"),
          jsonObject.getString("content"),
          jsonObject.getBoolean("isCompleted"),
          jsonObject.getInt("taskPriority")
      )

      onTaskCreated(task, null)
    }
  } catch (error: Throwable) {
    onTaskCreated(null, error)
  }

  connection.disconnect()
}).start()

Ogm pwet’n ard! Quk wla okt, edv gluaje o bog calo! :]

Gaok has! Goby rdaz fmalfemri mimmdayes, kea poxo u feoh ohjutmsulduth uq vaxvejk ehb tqeaxevr gataudrx, esikd szi VcblORPYasciyniij ohx JYAYAhderdf! Quj is hez a yod teygalpidi he ka ib ejk riziuxnp! Im xle yovs acilufa, jea’qd doa quw gi ci ez wahc e dehpqo zazy ykaj o majdimv kuxbav NHUP! :]