AND-401 exam

Which of the following is NOT true about the SharedPreferences interface?A . The data it saves is persistent even if application is killed.B . It only saves primitive data in key-value pairs.C . Modifications to preferences saved should go through class SharedPreferences.EditorD . It can save any data type in...

Which of the following is NOT true about onMeasure() method of class View?A . It measures the view and its contents to determine the measured width and height.B . It is invoked by measure().C . When overriding this method, a developer must call setMeasuredDimension().D . It takes three parameters: the...

What is the name of the class used by Intent to store additional information?A . ExtraB . ParcelableC . BundleD . DataStoreView AnswerAnswer: C Explanation: References: Android ATC Self Study Guide http://www.androidatc.com/pages-19/Self-Study

If your application is throwing exception android.content.ActivityNotFoundException, which of the following could resolve the problem?A . Create a new sub-class of the View class.B . Create a new broadcast receiverC . Create the activity layoutD . Add the activity to the AndroidManifest.xmlView AnswerAnswer: D Explanation: The ActivityNotFoundException is thrown when...

Which of the following is not a valid Android resource file name?A . mylayout.xmlB . myLayout.xmlC . my_layout.xmlD . mylayout1.xmlView AnswerAnswer: B Explanation: References: Android ATC Self Study Guide http://www.androidatc.com/pages-19/Self-Study

Which of these is the correct function of Traceview?A . Displays a graphical task execution log.B . Displays graphically a memory acquisition and release logC . Displays graphically the call stack.D . Displays graphically the Ul state hierarchy.View AnswerAnswer: A Explanation: Traceview is a graphical viewer for execution logs saved...

Which of the following statements about DDMS is incorrect?A . You can display a list of currently running threads and select one to check its stack trace.B . You can use it to acquire screenshots of a terminal.C . You can forcibly execute garbage collection and check the present heap...

Which of the following is incorrect about the LogCat tool?A . LogCat UI tool is available inside Android Studio.B . You can create a log in your application using Log.v(String, String)C . Each log message has a tagD . Only one of your applications can create log entries, and it...

Which of the following is incorrect about intents?A . They can be used to start an ActivityB . They can be used to start a serviceC . They can be used to start database insertionD . They can be used to start a dialog-themed activity.View AnswerAnswer: C Explanation: Incorrect: A,...

Which of the following Activity methods is invoked when the user clicks on an options menu item?A . onItemClickedB . onItemSelectedC . onOptionsItemClickedD . onOptionsItemSelectedView AnswerAnswer: D Explanation: When the user selects an item from the options menu (including action items in the app bar), the system calls your activity's...