How to set a Timeout for an AsyncTask in Kotlin Android?

This example demonstrates how to set a Timeout for an AsyncTask in Kotlin.

Step 1 − Create a new project in Android Studio, go to File ⇉ New Project and fill all required details to create a new project.

Step 2 − Add the following code to res/layout/activity_main.xml.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="match_parent"
   android:padding="16dp"
   tools:context=".MainActivity">
   <TextView
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerHorizontal="true"
      android:layout_marginTop="50dp"
      android:text="Tutorials Point"
      android:textAlignment="center"
      android:textColor="@android:color/holo_green_dark"
      android:textSize="32sp"
      android:textStyle="bold" />
   <EditText
      android:id="@+id/enterTime"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_centerInParent="true"
      android:layout_marginTop="50dp"
      android:background="@android:drawable/editbox_background"
      android:inputType="number" />
   <Button
      android:id="@+id/btnRun"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_below="@+id/enterTime"
      android:layout_centerHorizontal="true"
      android:layout_marginTop="10dp"
      android:text="Run Async task" />
</RelativeLayout>

Step 3 − Add the following code to src/MainActivity.kt

import android.app.ProgressDialog
import android.os.AsyncTask
import android.os.Bundle
import android.view.View
import android.widget.Button
import android.widget.EditText
import android.widget.Toast
import androidx.appcompat.app.AppCompatActivity
class MainActivity : AppCompatActivity() {
   var button: Button? = null
   var editTextTime: EditText? = null
   override fun onCreate(savedInstanceState: Bundle?) {
      super.onCreate(savedInstanceState)
      setContentView(R.layout.activity_main)
      title = "KotlinApp"
      button = findViewById(R.id.btnRun)
      editTextTime = findViewById(R.id.enterTime)
      button?.setOnClickListener(View.OnClickListener {
         val runner = AsyncTaskRunner()
         val sleepTime = editTextTime?.text.toString()
         runner.execute(sleepTime)
      })
   }
   @Suppress("DEPRECATION")
   private inner class AsyncTaskRunner :
   AsyncTask<String?, String?, String?>() {
      var progressDialog: ProgressDialog? = null
      override fun doInBackground(vararg params: String?): String? {
         publishProgress("AsyncTask started...")
         val time = params[0]!!.toInt() * 1000
         Thread.sleep(time.toLong())
         return "Slept for " + params[0] + " seconds"
      }
      override fun onPostExecute(result: String?) {
         progressDialog!!.dismiss()
         Toast.makeText(this@MainActivity, "AsyncTask Terminated", Toast.LENGTH_SHORT).show()
      }
      override fun onPreExecute() {
         progressDialog = ProgressDialog.show(
            this@MainActivity,
            "ProgressDialog",
            "Wait for " + editTextTime!!.text.toString() + " seconds"
         )
      }
      override fun onProgressUpdate(vararg values: String?) {
         Toast.makeText(this@MainActivity, "" + values[0], Toast.LENGTH_SHORT).show()
      }
   }
}

Step 4 − Add the following code to androidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
   package="app.com.kotlipapp">
   <application
      android:allowBackup="true"
      android:icon="@mipmap/ic_launcher"
      android:label="@string/app_name"
      android:roundIcon="@mipmap/ic_launcher_round"
      android:supportsRtl="true"
      android:theme="@style/AppTheme">
      <activity android:name=".MainActivity">
         <intent-filter>
            <action android:name="android.intent.action.MAIN" />
            <category android:name="android.intent.category.LAUNCHER" />
         </intent-filter>
      </activity>
   </application>
</manifest>

Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click the Run  icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen −

Click here to download the project code.