Deck 3: Coding the Gui Programmatically, Layout Managers

Question 1

A GUI cannot be defined programmatically; we must define it in an XML file.

Answer 1

False

Question 2

____________ is a layout manager class that organizes GUI components in a grid.

Answer 2

GridLayout

Question 3

It is possible to retrieve the width of the screen programmatically.

Answer 3

True

Question 4

What is the only method of the View.OnClickListener interface?

A) click
B) onClickView
C) clicked
D) onClick

Question 5

Adding a Null GUI component to a View will result in a(n) ____________.

Question 6

Gravity is in the ____________ package.

Question 7

In order to implement game play inside the Activity class (the Controller), we ____________ methods of the Model.

Question 8

If B is a public, static, inner class of A, ____________ refers to B.

Question 9

One of the spec methods of GridLayout has the following API:
Public, static GridLayout.Spec spec( int s1, int s2 )
What do s1 and s2 represent?

A) Nothing, these parameters are useless.
B) s1 is the number of rows, and s2 is the number of columns.
C) s1 is the starting index, and s1 is the size.
D) s2 is the size, and s1 is the starting index.

Question 10

The show method belongs to the AlertDialog.Builder class.

Question 11

What method do we use to set the number of rows in a GridLayout?

A) setRowsCount
B) setRowCount
C) setRow
D) setRows

Question 12

We used the GridLayout.Spec class in the chapter. What can we say about Spec?

A) It is a private, static, inner class of GridLayout.
B) It is a protected, static, inner class of GridLayout.
C) It is a public, static, inner class of GridLayout.
D) It is a public, static, independent class from GridLayout.

Question 13

An AlertDialog.Buider constructor has this API:
Public AlertDialog.Buider ( Context context)
Inside an Activity class, when using the constructor, what argument do we pass?

A) We do not pass any argument.
B) void
C) this
D) main

Question 14

When we call the getSize method of the Display class, its Point parameter gets written too.

Question 15

The Color class in the android.graphics package is the same as the Color class in the java.XYZ.

Question 16

A dialog box can have only one button inside.

Question 17

If we want to code the View programmatically and separate the View from the Controller, then we should have an instance variable representing the View inside the Controller so that we can call the methods of the View in order to update it.

Question 18

The getDefaultDisplay method from the WindowManager interface returns a __________________ reference.

Question 19

The View.OnClickListener interface can be implemented to handle a __________________ event on a View.

Question 20

If TicTacToe is the class for the Model and we are inside the Activity class (the Controller), we can use an instance variable of type __________________ to represent the Model.