Android Android Certified Trainer AND-801 Questions & Answers

• Question 141:

  To add a new Activity to your application, you need to perform the following steps:

  A. Create a Java class that extends View, set a layout, and add an Activity tag in AndroidManifest.xml.

  B. Create layout resource only.

  C. Create a Java class that extends Activity, add an Activity tag in AndroidManifest.xml, and create a layout for the activity.

  D. Add an Activity tag to AndroidManifest.xml, and add ACTIVITY permission.

  Correct Answer: C

• Question 142:

  Which method is used to close an activity?

  A. Destroy()

  B. Finish()

  C. Stop()

  D. Close()

  Correct Answer: B

• Question 143:

  Which of the following is a valid sequence of invokes to Activity lifecycle methods? (Choose two)

  A. onCreate > onStart > onResume > onPause> onStop> onCreate

  B. onCreate > onStart > onResume > onPause> onStop>onRestart

  C. onCreate > onStart > onResume > onPause> onStop>onDestroy

  D. onCreate > onStart > onResume > onPause> onStop>onResume

  Correct Answer: BC

• Question 144:

  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.

  Correct Answer: CD

• Question 145:

  Which method should you use to start a sub-activity?

  A. startActivity(Intent intent)

  B. startActivityForResult(Intent intent)

  C. startService(Intent intent)

  D. startSubActivity(Intent intent)

  Correct Answer: B

• Question 146:

  Consider the following code :

  @Override

  public void onCreateContextMenu(ContextMenu menu, View v,

  ContextMenuInfo menuInfo) {

  super.onCreateContextMenu(menu, v, menuInfo);

  menu.setHeaderTitle("Menu");

  AdapterContextMenuInfo cmi = (AdapterContextMenuInfo) menuInfo;

  menu.add(1, cmi.position, 0, "Open file");

  menu.add(2, cmi.position, 0, "Save file");}

  Which of the following best explains the code above?

  A. The code inflates an xml file into menu items.

  B. The code creates menu items for context menu programmatically.

  C. The code assign actions to menu items.

  D. The code Opens a menu resource file, modifies it, and saves the changes.

  Correct Answer: B

• Question 147:

  Which of the following WebView methods allows you to manually load custom HTML markup?

  A. loadData

  B. loadHTML

  C. loadCustomData

  D. loadCustomHTML

  Correct Answer: A

• Question 148:

  What does the following line of code do?

  Toast toast = Toast.makeText(this,"Android ATC", Toast.LENGTH_LONG);

  toast.setGravity(Gravity.TOP|Gravity.RIGH, 0, 0);

  A. The toast will have it UI components place on the top-right corner.

  B. The toast will appear on the top-right corner.

  C. The toast will show the text message on top-right corner of the toast box.

  D. The toast will appear at the center of the screen at position (0,0), but aligned to the top- right corner.

  Correct Answer: B

• Question 149:

  What Eclipse plug-in is required to develop Android application?

  A. J2EE

  B. Android Software Development Kit

  C. Android Development Tools

  D. Web Development Tools

  Correct Answer: C

• Question 150:

  What two methods you have to override when implementing Android context menus?

  A. onCreateOptionsMenu, onCreateContextMenu

  B. onCreateContextMenu, onContextItemSelected

  C. onCreateOptionsMenu, onOptionsItemSelected

  D. onCreateOptionsMenu, onContextItemSelected

  Correct Answer: B