Android AND-401 Online Practice Questions and Exam Preparation

Android AND-401 Online Questions & Answers

• Question 31:

  Which of these is the correct explanation regarding the following methods? (1)android.content.Context.sendBroadcast (2)android.content.Context.startActivity

  A. Both methods are defined by overloading.
  B. Both methods throw an exception.
  C. Both methods are asynchronous.
  D. Both methods are able to broadcast an Intent.
  D. Both methods are able to broadcast an Intent.

• Question 32:

  Which of the following makes a ListView Clickable?

  A. setClickable(true)
  B. setVisibility(View.Visible)
  C. setEnabled(true)
  D. setItemsEnabled(true)
  C. setEnabled(true)

• Question 33:

  To create a customized Adapter for a compound list item layout , you should:

  A. Extend class android.widget.Adapter or any of its descendants then override method getView()
  B. Extend class android.widget.ListView or any of its descendants, then override method getView()
  C. Extend class android.widget.AbsAdapter or any of its descendants, then override method getView()
  D. Extend class android.widget.Adapter or any of its descendants, then override method getAdapterView()
  A. Extend class android.widget.Adapter or any of its descendants then override method getView()

• Question 34:

  Which of following is incorrect about the Toast class?

  A. You cannot set a custom layout for a Toast.
  B. You cannot set a custom layout for a Toast There is no need to close or hide a Toast, since it closes automatically.
  C. There is no need to close or hide a Toast, since it closes automatically.
  D. A Toast is displayed for only one of the following periods: Toast.LENGHT_SHORT or Toast.LENGTH_LONG.
  B. You cannot set a custom layout for a Toast There is no need to close or hide a Toast, since it closes automatically.

• Question 35:

  Which of the following Activity life-cycle methods is called once the activity is no longer visible?

  A. onStop
  B. onPause
  C. onDestroy
  D. onHide
  A. onStop

• Question 36:

  Which of the following is a rule that developers must always follow when writing multi- threaded Android applications? (Choose two)

  A. A worker thread must not be created from inside the UI thread.
  B. Each UI thread must not create more than one worker thread.
  C. The UI thread must never be blocked.
  D. The Android UI must not be accessed from outside the UI thread.
  C. The UI thread must never be blocked.
  D. The Android UI must not be accessed from outside the UI thread.

• Question 37:

  Which of the following a Notification object must contain? (Choose three)

  A. A small icon
  B. A detail text.
  C. A notification sound
  D. A title
  A. A small icon
  B. A detail text.
  D. A title

• Question 38:

  Which of the following is NOT true about class DefaultHttpClient?

  A. It supports HTTPS
  B. It supports streaming uploads and downloads
  C. It is only supported on Android versions 2.2 and older
  D. It is Andriod's default implementation of an HTTP client
  C. It is only supported on Android versions 2.2 and older

• Question 39:

  Consider the following code:

  Intent intent = new Intent();

  intent.setAction(Intent.ACTION_VIEW);

  intent.setData(android.net.Uri.parse("http://www.androidatc.com"));

  startActivity(intent);

  Which of the following is correct about the code above?

  A. It sends a result to a new Activity in a Bundle.
  B. It will not compile without adding the INTERNET permission the Manifest file.
  C. It starts any activity in the application that has a WebView in its layout.
  D. When it is executed, the system starts an intent resolution process to start the right Activity.
  D. When it is executed, the system starts an intent resolution process to start the right Activity.

• Question 40:

  Which of the following best explains the Android option menus?

  A. It is a popup menu that displays a list of items in a vertical list anchored to the view that invoked the menu.
  B. It is a floating menu that appears when the user performs a long-click on an element. It provides actions that affect the selected content or context frame.
  C. It is the primary collection of menu items for an activity where you should place actions that have a global impact on the app, such as "Search," "Compose email," and "Settings."
  D. It is a type of List Activity with predefined headers and footers for special commands.
  B. It is a floating menu that appears when the user performs a long-click on an element. It provides actions that affect the selected content or context frame.