Question 1

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

Accepted Answer

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

Question 2

Gravity is in the ____________ package.

Accepted Answer

android.widget

Question 3

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

Accepted Answer

A) True 
 B)False  True

Question 4

The show method belongs to the AlertDialog.Builder class.

Accepted Answer

A) True 
 B)False

Question 5

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

Accepted Answer

The answer of If B is a public, static, inner...

Question 6

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

Accepted Answer

The answer of The View.OnClickListener interface can be implemented to...

Question 7

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

Accepted Answer

The answer of Adding a Null GUI component to a...

Question 8

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

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

The answer of ____________ is a layout manager class that...

Question 10

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

Accepted Answer

A) True 
 B)False

Question 11

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?

Accepted Answer

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 12

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

Accepted Answer

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

Question 13

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.

Accepted Answer

The answer of If TicTacToe is the class for the...

Question 14

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

Accepted Answer

The answer of In order to implement game play inside...

Question 15

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

Accepted Answer

The answer of The getDefaultDisplay method from the WindowManager interface...

Question 16

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

Accepted Answer

A) True 
 B)False

Question 17

A dialog box can have only one button inside.

Accepted Answer

A) True 
 B)False

Question 18

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

Accepted Answer

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 19

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.

Accepted Answer

A) True 
 B)False

Question 20

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?

Accepted Answer

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

Exam 3: Coding the Gui Programmatically, Layout Managers

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

Gravity is in the ____________ package.

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

The show method belongs to the AlertDialog.Builder class.

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

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

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

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

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

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

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?

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

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.

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

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

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

A dialog box can have only one button inside.

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

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.

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?