Android Android Certified Trainer AND-801 Questions & Answers

• Question 61:

  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

  Correct Answer: C

• Question 62:

  Consider the following :

  android:title="@string/create_new" />

  android:title="@string/open" />

  public boolean onOptionsItemSelected(MenuItem item) {

  switch (item.getItemId()) {

  case R.id.create_new:

  newFile();

  return true

  default:

  return super.onOptionsItemSelected(item);

  }

  } Upon clicking on one of the menu items, the application did not behave as intended. Which of the following might be the cause of this problem?

  A. The developer did not set onClickListener on the menu item.

  B. The developer did not include a case that corresponds to the menu item in method onOptionsItemSelected.

  C. The developer should create onOptionsItemSelected method for each menu item.

  D. The developer should add the item to the menu resource file.

  Correct Answer: B

• Question 63:

  Which of the following are layout-related methods called by the framework on views, and you can override them when customizing a view? (Choose two)

  A. onMeasure()

  B. onDraw()

  C. onKeyUp()

  D. onSizeChanged()

  Correct Answer: AD

• Question 64:

  Which of the following add a click listener to items in a listView?

  A. onClickListener

  B. onItemClickListener

  C. onItemClicked

  D. onListItemClickListener

  Correct Answer: B

• Question 65:

  What method you should override to use Android menu system?

  A. onCreateOptionsMenu()

  B. onCreateMenu()

  C. onMenuCreated()

  D. onMenuCreated()

  Correct Answer: A

• Question 66:

  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.

  Correct Answer: D

• Question 67:

  What is the second layer from top called in the following diagram of Android's Architecture Exhibit:

  

  A. Applications layer.

  B. Application framework.

  C. Linux kernel.

  D. Android runtime.

  Correct Answer: B

• Question 68:

  Which of the following is NOT true about class AsyncTask?

  A. It must be used by sub-classing it.

  B. It must be created on the UI thread.

  C. Its sub-class override at least two methods: doInBackground, onPostExecute.

  D. It uses three generic types.

  Correct Answer: C

• Question 69:

  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.

  Correct Answer: D

• Question 70:

  When creating a file using android.content.Context.openFileOutput("test.txt", 0), where is the file created?

  A. /data/app//files

  B. /data/data//files

  C. /system/app//files

  D. Application /system/data//files

  Correct Answer: B