Deck 3: Android Development: Files, Activities, Services, and Intents

Question 1

What file is responsible for glueing everthing together , explaining what the applicatin consists of, what its main building blocks are, ext…?

A)layout file
B)strings xml
C)r file
D)manifest file

Answer 1

manifest file

Question 2

The XML file that contains all the text that your application uses.

A)stack.xml
B)text.xml
C)strings.xml
D)string.java

Answer 2

strings.xml

Question 3

Which of the following is the most "resource hungry" part of dealing with Activities on Android

A)closing an app
B)suspending an app
C)opening a new app
D)restoring the most recent app

Answer 3

opening a new app

Question 4

What runs in the background and doesn't have any UI components?

A)intents
B)content providers
C)services
D)applications

Question 5

What is an Activity?

A)a single screen the user sees on the device at one time
B)a message sent among the major building blocks
C)a component that runs in the background without any interface.
D)context referring to the application environment.

Question 6

When an activity doesn't exist in memory it is in.

A)starting state
B)running state
C)loading state
D)inexistent state.

Question 7

Which of the following is NOT a state in the lifecycle of a service?

A)starting
B)running
C)destroyed
D)paused

Question 8

There is no guarantee that an activity will be stopped prior to being destroyed.

Question 9

In an explicit intent, the sender specifies the type of receiver.

Question 10

an implicit intent is the sender specifies the type of receiver?

Question 11

When the activity is not in focus, but still visible on the screen it is in?

A)running state
B)paused state
C)stopped state
D)destroyed state

Question 12

An activity in a stopped state is doing nothing.

Question 13

Application contexts are independent of the activity life cycle.

Question 14

Services have any user interface components

Question 15

Broadcast receivers are Android's implementation of a system-wide publish/subscribe mechanism, or more precisely, what design pattern?

A)observer
B)facade
C)mediator
D)command

Question 16

There can be only one running activity at a given time.

Question 17

YAMBA stands for Yet Another Mobile Banking App.

Question 18

Lists and adapters are more organizational aids than user interface elements in Android.

Question 19

What built-in database is Android shipped with?

A)sqlite
B)apache
C)mysql
D)oracle

Question 20

Creating a UI (User Interface) in Android requires careful use of…

A)java and sql
B)xml and java
C)xml and c++
D)dreamweaver

Question 21

A good example app should demonstrate most of the aspects of the application framework that are unique to Android.

Question 22

What will services be used for in the Yamba project?

A)recompile the source code
B)it will update tweets periodically in the background
C)the services will pause the app
D)configures the user interface

Question 23

Which answer is not part of the design philosophy talked about in chapter five?

A)always whole and complete
B)small increments
C)lagre increments
D)refactoring code

Question 24

App Widgets are can be place on the home screen by the user to check for updates are available?