AND-401 by Android Valid Free Exam Practice Test

Question 1

Which of the following classes should be extended to create a custom view?

A. Activity B. ViewGroup C. View D. Context

Correct Answer: C

Question 2

Consider the following :
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/create_new" android:title="@string/create_new" />
<item android:id="@+id/open" android:title="@string/open" />
</menu> 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 should create onOptionsItemSelected method for each menu item. B. The developer did not include a case that corresponds to the menu item in method onOptionsItemSelected. C. The developer should add the item to the menu resource file. D. The developer did not set onClickListener on the menu item.

Correct Answer: B

Question 3

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

A. onCreateOptionsMenu, onContextItemSelected B. onCreateOptionsMenu, onCreateContextMenu C. onCreateContextMenu, onContextItemSelected D. onCreateOptionsMenu, onOptionsItemSelected

Correct Answer: C

Question 4

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

A. /system/app/<package name>/files B. /data/data/<package name>/files C. Application /system/data/<package name>/files D. /data/app/<package name>/files

Correct Answer: B

Question 5

Which Consider the following code:
Intent i = new Intent(this, MainActivity.class); i.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); startActivity(i);
What best explains the code above?

A. A new Activity will be launched and it will be on the top of the stack. B. A new activity will be launched but will be in full-screen mode. C. The activity being launched is already running in the current task, then instead of launching a new instance of that activity, all of the other activities on top of it will be closed and this Intent will be delivered to the (now on top) old activity as a new Intent. D. Any existing task that would be associated with the activity to be cleared before the activity is started.

Correct Answer: C

Question 6

Which of these is the incorrect method for an Application to save local data?

A. Extend PreferencesActivity and save in an XML file. B. Save as a file in the local file system. C. Save in the hash table file using the Dictionary class. D. Save in the database using SQLite.

Correct Answer: C

Question 7

Which is the correct explanation of ListView?

A. When displaying a list of Strings using an ArrayAdapter class in ListView, you must save the value in an ArrayList. B. You cannot use a ListView when there is no information to be displayed. C. It is necessary to use ListView as a set with ListActivity. D. ListView has a function to display a list of uniquely defined Views other than TextView.

Correct Answer: D

Android Application Development - AND-401 Exam Practice Test