Basic Mobile application Objective Type Questions & Answers

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Questions
121 Creating a UI (User Interface. in Android requires careful use of…

nchar()

A Java and SQL
B XML and Java
C XML and C++
D Dreamweaver

Answer: XML and Java
122 What will services be used for in the Yamba project?

Sys.Date()

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

Answer: It will update tweets periodically in the background
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123 Which answer is not part of the design philosophy talked about in chapter five?

Sys.time()

A Always whole and complete
B Small increments
C Lagre increments
D Refactoring code

Answer: Lagre increments
124 The android OS comes with many useful system services, which include processes you can easily ask for things such as your..
A All of these and more.
B Location
C Sensor Readings
D WiFi? Hot Spots

Answer: All of these and more.
125 An Android application is a loose collection of content providers, activities, broadcast receivers, and services.
A True
B False

Answer: True
126 Which of the following is NOT an activity we will be creating for the YAMBA project?
A Preferences Activity
B Update Activity
C Timeline Activity
D Status Activity

Answer: Update Activity
127 Status data will be exposed to the rest of the Android system via:
A Intents
B A content provider
C Network receivers
D Altering permissions

Answer: A content provider
128 If the UI begins to behave sluggishly or crash while making network calls, this is likely due to…
A Network latency
B Hardware malfunctions
C Virus on the Server
D Activity manager contains too much

Answer: Network latency
129 How does Gargenta approach the problem of the app acting sluggishly due to network latency?
A Starting over
B Switching API levels
C Refactoring code
D Multithreading

Answer: Multithreading

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