Android AND-401 - Android Application Development Exam
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Total 129 questions
Question #1 (Topic: )
Which of the following is NOT true about class ListActivity?
A. An activity that displays a list of items by binding to a data set.
B. Its layout must be set by calling method setContentView inside onCreate.
C. It contains a ListView object that can be bound to different data sets. Binding, screen layout, and row layout are discussed in the following sections.
D. A data source that can be bound in a ListActivity can be an array or Cursor holding query results.
Answer: B
Question #2 (Topic: )
Which of the following is NOT true about method getWindow() of class Dialog do?
A. It retrieves the current window for the activity.
B. It can be used to access parts of the Windows API.
C. It displays the dialog on the screen.
D. It returns null if the activity is not visual.
Answer: C
Question #3 (Topic: )
Which of these is the correct explanation regarding the following methods?
(1)android.content.Context.sendBroadcast
(2)android.content.Context.startActivity
(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.
Answer: D
Question #4 (Topic: )
Which is the correct explanation of ListView?
A. It is necessary to use ListView as a set with ListActivity.
B. You cannot use a ListView when there is no information to be displayed.
C. When displaying a list of Strings using an ArrayAdapter class in ListView, you must save the value in an ArrayList.
D. ListView has a function to display a list of uniquely defined Views other than TextView.
Answer: D
Question #5 (Topic: )
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
Answer: A,B,D
