Android Android Certification OA0-002 Questions & Answers

• Question 131:

  Which of these is the incorrect folder as a folder that is created automatically after completion of the Android Development Tools Plugin New Project Wizard?

  A. dat

  B. gen

  C. res

  D. src

  Correct Answer: A

• Question 132:

  Which of these is the correct explanation of an XML layout file?

  A. In order to display a Ul defined in the XML layout file "main.xml", call the setContentView method of the Activity with the parameter string Bmain.xml".

  B. There is no distinction between implementation of the layout definition by code, or by XML layout file.

  C. In an Eclipse project using the ADT plugin, the XML layout file is found in the /res/layout directory.

  D. Layout information written in the XML layout file will be converted into code by the Android platform when the screen is displayed.

  Correct Answer: C

• Question 133:

  The DalvikVM core libraries are a subset of which of these?

  A. Java ME

  B. Java SE

  C. Java EE

  D. Doja

  Correct Answer: B

• Question 134:

  When creating the following Android project, which is the correct combination of (1)~(3)to add to the AndroidManifest.xml?

  

  A. Option a

  B. Option b

  C. Option c

  D. Option d

  Correct Answer: C

• Question 135:

  Which language is not supported in the Android Scripting Environment (ASE)?

  A. Perl

  B. JScript

  C. Lua

  D. BeanShell

  Correct Answer: B

• Question 136:

  Which of these is the correct description of file access?

  A. Generally, files are handled as dedicated resources per each application.

  B. Files created by an application can be directly accessed by any application.

  C. The content of file created by application cannot be accessed by other application.

  D. In order to access a file, the open FileStream method is provided in the Context class

  Correct Answer: A

• Question 137:

  The following code is a part of an Activity class to create a dialog. Which is the Activity class method used to display this dialog?

  

  A. void createDialog();

  B. void createDialogfint id);

  C. void show();

  D. void showDialog(int id);

  Correct Answer: C

• Question 138:

  Which of these is the correct method to persist SharedPreferences?

  A. XML file

  B. SQLite

  C. json file

  D. Java object

  Correct Answer: A

• Question 139:

  Which of these is the incorrect explanation of the Java Native Interface(JNI)?

  A. JNI does not provide garbage collection on the native side, outside the memory resources of the Java Virtual Machine.

  B. Even if native code is used with JNI, it does not necessarily mean an improvement in the application processing speed.

  C. A Java exception can be generated from a native method, but it cannot be caught on the Java side.

  D. Header files generated on the Java side are included and implemented in the native (C/C++) side source code.

  Correct Answer: D