Android Online Mock Practice Tests

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1. The Emulator is identical to running a real phone EXCEPT when emulating/simulating what?
Telephony	Applications
Sensors	The emulator can emulate/simulate all aspects of a smart phone

2. How is a simulator different from an emulator?
Emulators are only used to play old SNES games, simulators are used for software development	The emulator is shipped with the Android SDK and third party simulators are not
The emulator can virtualize sensors and other hardware features, while the simulator cannot	The emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level

3. The R file is a(an) generated file _____.
Automatically	Manually
Emulated	None of the above

4. An activity can be thought of as corresponding to what?
A Java project	A Java class
A method call	An object field

5. To create an emulator, you need an AVD. What does it stand for?
Android Virtual Display	Android Virtual Device
Active Virtual Device	Application Virtual Display

6. The Android SDK ships with an emulator.
True	False

7. The ___________ file specifies the layout of your screen.
Layout file	Manifest file
Strings XML	R file

8. The manifest explains what the application consists of and glues everything together.
True	False

9. The Android Software Development Kit (SDK) is all you need to develop applications for Android.
True	False

10. What is the driving force behind an Android application and that ultimately gets converted into a Dalvik executable?
Java source code	R-file
the emulator	the SDK

11. 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

12. 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

13. The XML file that contains all the text that your application uses.
stack.xml	text.xml
strings.xml	string.java

14. 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

15. What runs in the background and doesn't have any UI components?
Intents	Content Providers
Services	Applications

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. When an activity doesn't exist in memory it is in.
Starting state	Running state
Loading state	Inexistent state

18. Which of the following is NOT a state in the lifecycle of a service?
Starting	Running
Destroyed	Paused

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

20. How does Gargenta approach the problem of the app acting sluggishly due to network latency?
Starting over	Switching API levels
Refactoring code	Multithreading