Quiz2_07-05-2025

What is the primary purpose of AsyncTask in Android?

• To manage databases

• To run operations in the UI thread

• To perform background operations and publish results on the UI thread

• To create services

Which method is called after doInBackground() completes?

• onPostExecute()

• onCancelled()

• onProgressUpdate()

• onPreExecute()

Which permission is needed to access the internet in Android?

• android.permission.ACCESS_NETWORK_STATE

• android.permission.INTERNET

• android.permission.READ_NETWORK

• android.permission.ACCESS_WIFI_STATE

Which stream is used to read server responses?

• InputStream

• OutputStream

• FileOutputStream

• BufferedOutputStream

A broadcast receiver runs on which thread?

• UI thread

• Worker thread

• Background thread

• Main thread

Which intent is used to send broadcasts?

• Intent.ACTION_SEND

• sendBroadcast(Intent)

• setBroadcastIntent()

• createBroadcast()

Which method starts a service explicitly?

• bindService()

• onStartCommand()

• runService()

• startService()

A Foreground service requires:

• User interface

• Notification

• Alarm

• Thread

Which component does not require a UI?

• Activity

• Fragment

• Service

• Dialog

Which flag in onStartCommand() ensures a service restarts if killed?

• START_STICKY

• RESTART_ALWAYS

• START_AGAIN

• SERVICE_RESTART