Android Programming Final

Front 1

T/F: A button is a kind of view.

Back 1

False

Front 2

T/F: An Intent is a kind of Activity.

Back 2

False

Front 3

T/F: UI layout information is contained in the manifest file.

Back 3

False

Front 4

T/F: GPS device will report a location with an accuracy of 5 centimeters.

Back 4

False

Front 5

T/F: Paint contains a color.

Back 5

True

Front 6

T/F: The UI thread is the same as the main thread.

Back 6

True

Front 7

T/F: Mutex is short for mutual exclusion.

Back 7

True

Front 8

T/F: Cupcake is a java sdk version.

Back 8

False

Front 9

T/F: A check box is a widget.

Back 9

True

Front 10

T/F: Multi-touch screens can detect up to 25 simultaneous fingers.

Back 10

False

Front 11

OnTouchEvent() is called when a key is pressed.

Back 11

True

Front 12

Name the function that will draw a rectangle.

Back 12

drawRect()

Front 13

Name a way to make the application screen a solid color.

Back 13

draw a rectangle across the entire screen and set the color

Front 14

Name 2 events that would cause the onPause function to be called

Back 14

Phone call

Back Button

Front 15

Name 3 operating systems used on currently available mobile devices

Back 15

Blackberry

iOS

Android

Front 16

onPause is a member function of the _______ class.

Back 16

Activity

Front 17

What are 2 ways that UI layouts can be created in android?

Back 17

The graphical editor in activity_main.html

The XML code

Front 18

What is an android Activity?

Back 18

an Android class with name given to part of an app; a single screen with user interface

Front 19

Name 6 different input devices/sensors found on current phones/tablets.

Back 19

1. microphone

2. multi-touch screen

3. gps

4. camera

5. accelerometer

6. gyroscope

Front 20

Name one way that phone applications are structured differently than pc programs.

Back 20

They need to plan to be killed at any time

Front 21

What is a method of avoiding race conditions?

Back 21

synchronization

Front 22

Name one way to make your application crash.

Back 22

turn off the phone/emulator

Front 23

When using the accelerometer and compass to determine the orientation of a mobile device, name 2 scenarios that will cause unreliable results.

Back 23

In a car

When free falling

Front 24

What is the Intent's putExtra() function's intended purpose?

Back 24

Trying to pass extra information in between classes