Mobile application Questions & Answers
Questions
102
Which of the following are not a component of an APK file?
Answer: All of these are components of the APK
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103
What is contained within the manifest xml file?
Answer: The permissions the app requires
104
The emulated device for android.
Answer: Runs the same code base as the actual device, all the way down to the machine layer.
105
The Emulator is identical to running a real phone EXCEPT when emulating/simulating what?
Answer: Sensors
106
How is a simulator different from an emulator?
Answer: The emulator imitates the machine executing the binary code, rather than simulating the behavior of the code at a higher level.
107
An activity can be thought of as corresponding to what?
Answer: A Java class
108
To create an emulator, you need an AVD. What does it stand for?
Answer: Android Virtual Device
109
The ___________ file specifies the layout of your screen.
Answer: .Layout file
110
While developing Android applications, developers can test their apps on…
Answer: All three options will work.
111
What file is responsible for glueing everthing together , explaining what the applicatin consists of, what its main building blocks are, ext…?
Answer: Manifest file
112
The XML file that contains all the text that your application uses.
Answer: strings.xml
113
Which of the following is the most “resource hungry” part of dealing with Activities on Android
Answer:Opening a new app
114
What runs in the background and doesn’t have any UI components?
Answer: Services
115
What is an Activity?
Answer:. A single screen the user sees on the device at one time
117
Which of the following is NOT a state in the lifecycle of a service?
Answer: Paused
119
Broadcast receivers are Android’s implementation of a system-wide publish/subscribe mechanism, or more precisely, what design pattern?
Answer: Observer
