Deck 5: Menus, Sqlite

Question 1

The Blank Activity template automatically generates an XML file for a menu.

Answer 1

True

Question 2

What encapsulates a menu item?

A) The Item class
B) The Item interface
C) The MenuItem class
D) The MenuItem interface

Answer 2

The MenuItem interface

Question 3

We place the icon files for the menu in the ____________ directory.

Answer 3

drawable

Question 4

SQLite is available on Android devices.

Question 5

The ____________ class includes methods to execute SQL statements.

Question 6

LENGTH_SHORT is a constant of the Toast class that can be used to specify the duration of a Toast. What is the other constant that we can use to specify the duration of a Toast?

A) SHORT
B) LONG
C) TOAST_LONG
D) LENGTH_LONG

Question 7

The setOnCheckedChangeListener method of the RadioGroup class registers a listener on this ____________.

Question 8

The onCheckedChange method of the RadioGroup.OnCheckedChangeListener interface has the following API:
Void onCheckedChanged( RadioGroup group, int a )
What does group represent?

A) The View for this Activity
B) The radio button that was clicked
C) The RadioGroup to which the radio button that was clicked belongs
D) This Activity

Question 9

What method of the SQLiteOpenHelper class do we use to create or open a database on which we can perform operations?

A) getDatabase
B) getWritableDatabase
C) database
D) retrieveDatabase

Question 10

We created our own icon, nice.p n g, and placed it in the drawable directory; we can access it using the expression ____________.

Question 11

A Toast is a temporary ____________ that can be used to provide visual feedback.

Question 12

When extending SQLiteOpenHelper, what methods must we override?

A) onCreate and onUpgrade
B) create and upgrade
C) create and select
D) onCreate and onSelect

Question 13

We have three activities in an app: MainActivity, InsertActivity, and DeleteActivity. How many activity elements should we have in the AndroidManifest.xml file?

A) 0
B) 1
C) 2
D) 3

Question 14

We want to code a View, but we do not know how many radio buttons are in the View because we are retrieving the data from a database. We should code that View programmatically, not using an XML file.

Question 15

We can use the following method of the Toast class to create a Toast:
static Toast makeText( Context context, CharSequence text, int d )
The third parameter represents the duration or length of the Toast.

Question 16

The XML element for a menu is __________________.

Question 17

The XML element for an item in a menu is __________________.

Question 18

The XML attribute that we use to specify an icon for a menu item is __________________.

Question 19

The __________________ class encapsulates a table returned by a select SQL query.

Question 20

After we have created a Toast, we need to call the __________________ method so that the Toast is visible.

Question 21

The removeAllViewsInLayout method of the ViewGroup class __________________ all the Views in the ViewGroup that calls it.