MAD Mobile Application development chapter 4 part 3
T or F: Open-source tools, like App Inventor, are free to buy and use.
True
T or F: Web applications have access to device capabilities, like the accelerometer or location services.
True
T or F: The first device to be considered a smartphone was the Apple iPhone.
False
T or F: The app marketplace launched with the first generation iPhone.
False
T or F: Smartphones have always had touchscreens.
False
T or F: An array in Java can have array members of different data types.
False
Which of the following is NOT a consideration for choosing a platform for your apps?
What are the marketing trends for your proposed platform?
Which of the following is the platform language for Android?
Java
Which of the following is the platform language for iOS?
Objective-C
Which company developed the iOS platform?
Apple
Which company developed the Android platform?
Which now dissolved company led the smartphone industry before the advent of the iPhone?
Palm
What is the correct order for the standard development process of an app?
write, compile, run, debug
How much RAM did the first smartphone offer?
1 MB
In the pseudocode statement num x = 1, which part is a literal?
1
What is the output of the following pseudocode:
if 3 < 4 then
print "Hello"
else
print "Goodbye"
endif
The string, "Hello"
What is the proper placement of parameters in a function or method definition?
Inside the parentheses
In an array of length n, what is the index of the last element?
n - 1
What is the output of running the following code:
string name = "Mark"
name[3] = 'c'
print name
Error
T or F: On the Android platform, the apps you write operate at a different level than core apps, like the phone, contact, or browser, for security reasons.
False
T or F: Core applications on the Android platform are given preference over third-party apps.
False
T or F: When using the App Inventor, using blocks that fit together guarantees that your app will be error-free.
False
T or F: When retrieving values from components, App Inventor creates code that uses the getter method to access the value.
True
T or F: An app like Where's My Phone?, which waits for text messages and responds with the GPS location, is best suited to an Android Service.
False
T or F: For security, Android applications are not able to access the existing messaging function of the phone.
False
T or F: To keep an Android application running, you must keep the app's screen visible.
False
T or F: App Inventor apps are not allowed on the Android Market.
True
Testing the graphical user interface (GUI) during the early stages of development is best done using which of the following methods?
Using the emulator
Which section of the App Inventor workspace lists components available for use in your app in expandable groups?
Palette
An app that is close to being completed is best tested using which of the following methods?
On physical devices
Which section of the App Inventor workspace represents an Android phone's screen?
viewer
Which section of the App Inventor workspace allows the developer to modify certain aspects of components?
properties
What property is used to set the text that will display in an app's top information bar?
title
What property is used to set the text displayed temporarily in a text box before a user enters their own information?
hint
When using the App Inventor, the Blocks Editor is what type of application?
Java Web Start
What happens to the grayed-out, temporary text displayed in a text box when a user begins to enter information?
It disappears
What does JNLP (the type of file a Java Web Start application is stored in) stand for?
Java Native Launch Protocol
When using the App Inventor, which of the following is NOT represented as a block?
Errors
For the MVC design pattern, what does MVC stand for?
Model-View-Controller
Which keyword is used by App Inventor to combine string literals?
Join
What is the correct way to retrieve the value from a component named TextBox1?
TextBox1.Text
What is the correct order to start the emulator in the Blocks Editor window?
Click 'New emulator', slide the green lock icon right to unlock, click 'Connect to Device', and select the emulator to start your app
Tapping the screen registers what event in the Android SDK and App Inventor?
Click
What is the name for components that are not displayed to the user?
Non-visible
When using the App Inventor and accessing the Texting component, where do you find the block to include the automatically included messageText argument?
Built-in