Android+Core Java Quiz

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

Java and SQL

XML and Java

XML and C++

Dreamweaver

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

True

False

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

Stack.xml

Text.xml

Strings.xml

String.java

4. An Android application is a loose collection of content providers, activities, broadcast receivers, and services.

True

False

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

True

False

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

True

False

7. An implicit intent is the sender specifies the type of receiver?

True

False

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

Layout file

Strings XML

R file

Manifest file

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

True

False

10. What built-in database is Android shipped with?

SQLite

Apache

MySQL

Oracle

11. Application contexts are independent of the activity life cycle.

True

False

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

True

False

13. The android OS comes with many useful system services, which include processes you can easily ask for things such as your..

All of these and more.

Location

Sensor Readings

WiFi? Hot Spots

14. While developing Android applications, developers can test their apps on...

Emulator included in Android SDK

Physical Android phone

Third-party Emulators (Youwave, etc.)

All three options will work.

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

Observer

Facade

Mediator

Command

16. What is an Activity?

A single screen the user sees on the device at one time

A message sent among the major building blocks

A component that runs in the background without any interface.

Context referring to the application environment.

17. What will services be used for in the Yamba project?

Recompile the source code

It will update tweets periodically in the background

The services will pause the app

Configures the user interface

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

Running state

Paused state

Stopped state

Destroyed state

19. How does Gargenta approach the problem of the app acting sluggishly due to network latency?

Starting over

Switching API levels

Refactoring code

Multithreading

20. If the UI begins to behave sluggishly or crash while making network calls, this is likely due to...

Network latency

Hardware malfunctions

Virus on the Server

Activity manager contains too much.

21. Intents

Are messages that are sent among major building blocks

Trigger activities to being, services to start or stop, or broadcast

Are asynchronous

All of these

22. What does the Gargenta mean in his Design Philosophy when he says that the project will, "Always be whole and complete"?

He means that the program must always be able to compile.

None of the above

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

Closing an app

Suspending an app

Opening a new app

Restoring the most recent app

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

Intents

Content Providers

Services

Applications

25. Services have any user interface components

True

False

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

Starting

Running

Destroyed

Paused

27. YAMBA stands for Yet Another Mobile Banking App.

True

False

28. An activity in a stopped state is doing nothing.

True

False

29. Status data will be exposed to the rest of the Android system via:

Intents

A content provider

Network receivers

Altering permissions

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

Always whole and complete

Small increments

Lagre increments

Refactoring code

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

True

False

32. Which of the following is NOT an activity we will be creating for the YAMBA project?

Preferences Activity

Update Activity

Timeline Activity

Status Activity

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

Starting state

Running state

Loading state

Inexistent state.

34. The timeline receiver will receive messages from the Android system.

True

False

Android+core Java Quiz

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

2.

What first name or nickname would you like us to use?

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

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

4. An Android application is a loose collection of content providers, activities, broadcast receivers, and services.

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

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

7. An implicit intent is the sender specifies the type of receiver?

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

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

10. What built-in database is Android shipped with?

11. Application contexts are independent of the activity life cycle.

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

13. The android OS comes with many useful system services, which include processes you can easily ask for things such as your..

14. While developing Android applications, developers can test their apps on...

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

16. What is an Activity?

17. What will services be used for in the Yamba project?

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

19. How does Gargenta approach the problem of the app acting sluggishly due to network latency?

20. If the UI begins to behave sluggishly or crash while making network calls, this is likely due to...

21. Intents

22. What does the Gargenta mean in his Design Philosophy when he says that the project will, "Always be whole and complete"?

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

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

25. Services have any user interface components

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

27. YAMBA stands for Yet Another Mobile Banking App.

28. An activity in a stopped state is doing nothing.

29. Status data will be exposed to the rest of the Android system via:

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

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

32. Which of the following is NOT an activity we will be creating for the YAMBA project?

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

34. The timeline receiver will receive messages from the Android system.