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MCQ Problems / Explanations



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

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

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

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The timeline receiver will receive messages from the Android system.

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

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

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

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

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

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What will services be used for in the Yamba project?

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

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

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What built-in database is Android shipped with?

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

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YAMBA stands for Yet Another Mobile Banking App.

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

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Broadcast receivers are Android’s implementation of a system-wide publish/subscribe mechanism, or more precisely, w...

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Services have any user interface components

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Application contexts are independent of the activity life cycle.

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An activity in a stopped state is doing nothing.

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

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an implicit intent is the sender specifies the type of receiver?

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

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Intents

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

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

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When an activity doesn’t exist in memory it is in.

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What is an Activity?

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What runs in the background and doesn’t have any UI components?

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Which of the following is the most “resource hungry” part of dealing with Activities on Android

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

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What file is responsible for glueing everthing together , explaining what the applicatin consists of, what its main...

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While developing Android applications, developers can test their apps on…

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What is the driving force behind an Android application and that ultimately gets converted into a Dalvik executable...

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

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

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The ___________ file specifies the layout of your screen.

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The Android SDK ships with an emulator.

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To create an emulator, you need an AVD. What does it stand for?

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An activity can be thought of as corresponding to what?

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The R file is a(an) generated file

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How is a simulator different from an emulator?

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The Emulator is identical to running a real phone EXCEPT when emulating/simulating what?

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Your Java source code is what is directly run on the Android device.

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The emulated device for android.

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What is contained within the Layout xml file?

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What is contained within the manifest xml file?

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The R.java file is where you edit the resources for your project.

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The AWT and Swing libraries have been removed from the Android library set.

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Which of the following are not a component of an APK file?

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Android Applications must be signed.

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What was the main reason for replacing the Java VM with the Dalvik VM when the project began?

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What is the name of the program that converts Java byte code into Dalvik byte code?

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Which of these are not one of the three main components of the APK?

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How does Google check for malicious software in the Android Market?

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When you distribute your application commercially,you'll want to sign it with your own key.

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What does the .apk extension stand for?

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When developing for the Android OS, Java byte code is compiled into what?

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What is a key difference with the distribution of apps for Android based devices than other mobile device platform ...

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What year was development on the Dalvik virtual machine started?

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What operating system is used as the base of the Android stack?

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Android is based on Linux for the following reason.

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Which among these are NOT a part of Android's native libraries?

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Android is built upon the Java Micro Edition (J2ME) version of Java.

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Which piece of code used in Android is not open source?

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Which Android version had the greatest share of the market as of January 2011?

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Why are the so few users left with versions 1.0 and 1.1?

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Android doesn't make any assumptions about a device's screen size, resolution, or chipset.

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Which one is not a nickname of a version of Andriod?

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Android releases since 1.5 have been given nicknames derived how?

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When did Google purchase Android?

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Google licensed some proprietary apps.

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Android tries hard to ______________ low-level components, such as the software stack, with interfaces so that vend...

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A device with Android installed is needed to develop apps for Android.

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What year was the Open Handset Alliance announced?

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What is a funny fact about the start of Android?

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From a phone manufacturer's point of view, what makes Android so great?

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What was the first phone released that ran the Android OS?

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What was Google's main business motivation for supporting Android?

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As an Android programmer, what version of Android should you use as your minimum development target?

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Although most people's first thought when they think of Android is Google, Android is not actually owned by Google....

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Android is licensed under which open source licensing license?

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What is off-line synchronization in android?

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What is bean class in android?

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What are the main components in android?

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Can a class be immutable in android?

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What is the life cycle of foreground activity in android?

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What is anchor view?

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What is the main difference between set and list in android?

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How do you join two notifications in android?

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What are commands needed to create APK in android?

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Why don't we give MIN SDK as 1 in android?

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What is transient data in android?

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What is ANR responding time in android?

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What are return types of startActivityForResult() in android?

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Is it possible activity without UI in android?

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It is mandatory to call onCreate() and onStart() in android?

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What is the purpose of super.onCreate() in android?

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How many levels of securities are there in android?

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What is sandbox in android?

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