Created
July 3, 2018 11:14
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Main Activity of the Chuck Norris Facts Android App for the SSaurel's Channel
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package com.ssaurel.chucknorrisfacts | |
import android.os.Bundle | |
import android.support.v7.app.AppCompatActivity | |
import android.text.Html | |
import android.view.View | |
import kotlinx.android.synthetic.main.activity_main.* | |
import okhttp3.* | |
import org.json.JSONObject | |
import java.io.IOException | |
class MainActivity : AppCompatActivity() { | |
// we will use the ICNDB API for Chuck Norris Facts | |
val URL = "https://api.icndb.com/jokes/random" | |
var okHttpClient: OkHttpClient = OkHttpClient() | |
override fun onCreate(savedInstanceState: Bundle?) { | |
super.onCreate(savedInstanceState) | |
setContentView(R.layout.activity_main) | |
nextBtn.setOnClickListener { | |
loadRandomFact() | |
} | |
} | |
private fun loadRandomFact() { | |
runOnUiThread { | |
progressBar.visibility = View.VISIBLE | |
} | |
val request: Request = Request.Builder().url(URL).build() | |
okHttpClient.newCall(request).enqueue(object: Callback { | |
override fun onFailure(call: Call?, e: IOException?) { | |
} | |
override fun onResponse(call: Call?, response: Response?) { | |
val json = response?.body()?.string() | |
// we get the joke from the Web Service | |
val txt = (JSONObject(json).getJSONObject("value").get("joke")).toString() | |
// we update the UI from the UI Thread | |
runOnUiThread { | |
progressBar.visibility = View.GONE | |
// we use Html class to decode html entities | |
factTv.text = Html.fromHtml(txt) | |
} | |
} | |
}) | |
} | |
} |
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