1) Android is licensed under which open source licensing license?A. Gnu’s GPL B. Apache/MIT C. OSS D. Sourceforge Ans: B 2) Although most people’s first thought when they think of Android is Google, Android is not actually owned by Google. Who owns the Android platform? A. Oracle Technology B. Dalvik C. Open Handset Alliance D. The above statement is and Android is owned by Google Ans: C 3) As an Android programmer, what version of Android should you use as your minimum development target? A. Versions 1.6 or 2.0 B. Versions 1.0 or 1.1 C. Versions 1.2 or 1.3 D. Versions 2.3 or 3.0 Ans: A ANDROID Multiple Choice Questions and Answers 4) What was Google’s main business motivation for supporting Android? A. To level the playing field for mobile devices B. To directly compete with the iPhone C. To corner the mobile device application market for licensing purposes D. To allow them to advertise more Ans: D 5) What was the first phone released that ran the Android OS? A. Google gPhone B. TMobile G1 C. Motorola Droid D. HTC Hero Ans: B 6) From a phone manufacturer’s point of view, what makes Android so great? it provides everything to make a phone work B. It allows users to create apps. The first version of Android was released without an actual phone on the market C. . It makes the hardware work better C. D. Androids main purpose was to unlock your car door when you left the keys inside of it. 2005 B. generating revenue for the companies Ans: A 7) What is a funny fact about the start of Android? A. Ans: B 8) What year was the Open Handset Alliance announced? A. 2008 Ans: C 9) A device with Android installed is needed to develop apps for Android. It was orginaly going to be called UFO B.A. It allows them to compete with Apple’s iPhone D. Was going to be a closed source application to make more money for its company. 2007 D. Aside from some specific drivers. 2006 C. False Ans: A 12) What part of the Android platform is open source? A. absract C. modularize D.A. all of these answers #The entire stack is an open source platform C. True B. such as the software stack. A. confound B. native libraries D. with interfaces so that vendorspecific code can be managed easily. application frame work E. False Ans: B 10) Android tries hard to ______________ lowlevel components. A. compound Ans: B 11) Google licensed some proprietary apps. True B. lowlevel Linux modules B. complete applications Ans: B 13) When did Google purchase Android? . Muffin Ans: D 16) Android doesn’t make any assumptions about a device’s screen size. or chipset.0 and 1.1? . cupcake B. 2007 B.: A. Honeycomb D. Adjective and strange animal B. False Ans: A 17) Why are the so few users left with versions 1. 2010 Ans: B 14) Android releases since 1. True B. resolution. Gingerbread C. American states Ans: B 15) Which one is not a nickname of a version of Andriod? A. 2008 D. Something that starts w/ ‘A’ > Something that starts w/ ‘B’… D. Food C.A. 2005 C.5 have been given nicknames derived how? A. 1 were upgraded to 1. 1. 2. 1. WiFi? driver C.5 over the air automatically Ans: D 18) Which Android version had the greatest share of the market as of January 2011? A.5 C.5 B. 3.0 and 1. True B. False Ans: B 21) Which among these are NOT a part of Android’s native libraries? . The first phones were released with version 1.1 had security holes that forced carriers to recall phones using them C.0 and 1. Power management Ans: B 20) Android is built upon the Java Micro Edition (J2ME) version of Java. Audio driver D. 1. 1.3 D.1 are just number designations for the version Apple’s iPhone is running D. A. Everyone with 1.4 Ans: B 19) Which piece of code used in Android is not open source? A.0 and 1.1 B. Keypad driver B.A. XML Ans: A 24) What year was development on the Dalvik virtual machine started? A. 2005 C. Security B.A. A. Webkit B. SQLite Ans: B 22) Android is based on Linux for the following reason. All of these Ans: D 23) What operating system is used as the base of the Android stack? A. 2003 B. Portability C. Windows C. Dalvik C. Java D. Linux B. 2007 D. Networking D. OpenGL D. 2006 Ans: B 25) What is a key difference with the distribution of apps for Android based devices than other mobile device platform applications? . Dalvik application code C. A. Applications are distributed by multiple vendors with different policies on applications. Java byte code is compiled into what? A. Dalvik byte code D. Java source code B.A. Application Package B. True B. Ans: B 26) When developing for the Android OS. Android Package Ans: A 28) When you distribute your application commercially. False Ans: A 29) How does Google check for malicious software in the Android Market? . D.apk extension stand for? A. Applications are distributed by the Android Market only. Applications are distributed by Apple App Store only B.you’ll want to sign it with your own key. C source code Ans: C 27) What does the . Application Program Kit C. Android Proprietary Kit D. C. Applications are distributed by multiple vendors with the exact same policies on applications. Android Interpretive Compiler (AIC) B. Webkit Ans: D 31) What is the name of the program that converts Java byte code into Dalvik byte code? A. Resources C. Mobile Interpretive Compiler (MIC) Ans: C 32) What was the main reason for replacing the Java VM with the Dalvik VM when the project began? A. Dalvik Converter C. Native Libraries D. . A seperate company monitors the Android Market for Google Ans: B 30) Which of these are not one of the three main components of the APK? A. There was not enough memory capability B.A. Every new app is scanned by a virus scanner B. Dex compiler D. Java VM was too complicated to configure D. Java VM ran too slow Ans: B 33) Android Applications must be signed. Java virtual machine was not free C. Dalvik Executable B. Google employees verify each new app D. Users report malicious software to Google C. All other choices Ans: A .A. True B. True B. Before they are installed C. A. A. False Ans: B 37) What is contained within the manifest xml file? A. After they are installed B. Within two weeks of installation Ans: B 34) Which of the following are not a component of an APK file? A.java file is where you edit the resources for your project. All of these are components of the APK C. The source code D. Never D. The permissions the app requires B. False Ans: A 36) The R. Dalvik executable Ans: B 35) The AWT and Swing libraries have been removed from the Android library set. Resources B. The list of strings used in the app C. Native Libraries D. A. C. False Ans: B 41) The Emulator is identical to running a real phone EXCEPT when emulating/simulating what? A. The permissions required by the app. B. however at a higher level. Ans: A 40) Your Java source code is what is directly run on the Android device. Orientations and layouts that specify what the display looks like. Applications C. Ans: A 39) The emulated device for android. Runs the same code base as the actual device.38) What is contained within the Layout xml file? A. Runs the same code base as the actual device. and acts as a virtual machine for the Android device. Sensors D. Is more of a simulator. The strings used in the app. True B. B. C. D. The code which is compiled to run the app. An imaginary machine built on the hopes and dreams of baby elephants. A. all the way down to the machine layer. D. Telephony B. The emulator can emulate/simulate all aspects of a smart phone. Ans: C 42) How is a simulator different from an emulator? . A method call D. simulators are used for software development B. Automatically B. An object field Ans: B 45) To create an emulator. Emulators are only used to play old SNES games. Active Virtual Device . A Java class C. None of the above Ans: A 44) An activity can be thought of as corresponding to what? A. The emulator is shipped with the Android SDK and third party simulators are not C. A Java project B. Emulated D. Android Virtual Display B.A. you need an AVD. rather than simulating the behavior of the code at a higher level. The emulator imitates the machine executing the binary code. What does it stand for? A. The emulator can virtualize sensors and other hardware features. Manually C. Android Virtual Device C. Ans: D 43) The R file is a(an) generated file A. while the simulator cannot D. False Ans: A 47) The ___________ file specifies the layout of your screen. Strings XML D. A. True B. True B. Application Virtual Display Ans: B 46) The Android SDK ships with an emulator. A. False Ans: A 50) What is the driving force behind an Android application and that ultimately gets converted into a Dalvik executable? . A. True B.D. False Ans: A 49) The Android Software Development Kit (SDK) is all you need to develop applications for Android. Layout file B. R file Ans: A 48) The manifest explains what the application consists of and glues everything together. A. Manifest file C. ) D. ext…? A.xml C. D. C. explaining what the applicatin consists of.xml D. Strings XML C. etc. Emulator included in Android SDK B. R file D. string. Physical Android phone C. what its main building blocks are. stack. Thirdparty Emulators (Youwave. All three options will work. Manifest file Ans: D 53) The XML file that contains all the text that your application uses. Layout file B. text. the SDK Ans: A 51) While developing Android applications. strings. Java source code. Rfile. Ans: D 52) What file is responsible for glueing everthing together .java Ans: C .A. A. the emulator. B.xml B. developers can test their apps on… A. Services D. A single screen the user sees on the device at one time B. Running state C. Starting state B. Restoring the most recent app Ans: C 55) What runs in the background and doesn’t have any UI components? A. A message sent among the major building blocks C.54) Which of the following is the most “resource hungry” part of dealing with Activities on Android A. Intents B. Opening a new app D. Context referring to the application environment. A. A component that runs in the background without any interface. Ans: A 57) When an activity doesn’t exist in memory it is in. Applications Ans: C 56) What is an Activity? A. Closing an app B. Ans: A . Suspending an app C. D. Inexistent state. Loading state D. Content Providers C. Starting B. services to start or stop. trigger activities to being. Paused Ans: D 59) There is no guarantee that an activity will be stopped prior to being destroyed. False Ans: A . the sender specifies the type of receiver. True B. True B. Destroyed D. A. Running C. False Ans: A 60) Intents A. are messages that are sent among major building blocks B. are asynchronous D. A. or broadcast C. all of these Ans: D 61) In an explicit intent. True B.58) Which of the following is NOT a state in the lifecycle of a service? A. False Ans: B 62) an implicit intent is the sender specifies the type of receiver? A. but still visible on the screen it is in? A. Facade C. A. destroyed state Ans: B 64) An activity in a stopped state is doing nothing. A. True B. running state B.63) When the activity is not in focus. or more precisely. True B. Mediator . Observer B. stopped state D. True B. Paused state C. False Ans: B 67) Broadcast receivers are Android’s implementation of a system wide publish/subscribe mechanism. what design pattern? A. False Ans: B 65) Application contexts are independent of the activity life cycle. False Ans: A 66) Services have any user interface components A. False Ans: A 69) YAMBA stands for Yet Another Mobile Banking App. MySQL D. Command Ans: A 68) There can be only one running activity at a given time.D. A. A. Oracle Ans: A 72) Creating a UI (User Interface) in Android requires careful use of… A. A. Apache C. XML and Java C. True B. True B. XML and C++ . False Ans: B 70) Lists and adapters are more organizational aids than user interface elements in Android. True B. SQLite B. False Ans: A 71) What builtin database is Android shipped with? A. Java and SQL B. True B. Configures the user interface Ans: B 75) Which answer is not part of the design philosophy talked about in chapter five? A. A. False Ans: A . Dreamweaver Ans: B 73) A good example app should demonstrate most of the aspects of the application framework that are unique to Android. Always whole and complete B. Small increments C. Recompile the source code B. Lagre increments D. It will update tweets periodically in the background C.D. The services will pause the app D. Refactoring code Ans: C 76) App Widgets are can be place on the home screen by the user to check for updates are available? A. False Ans: A 74) What will services be used for in the Yamba project? A. True B. C. He means that the program must always be able to compile. He means that we will work on the program by adding self contained chunks to it so that at every stopping point the application runs as though it were a whole and complete application. None of the above Ans: C 79) An Android application is a loose collection of content providers. and services. All of these and more. broadcast receivers. activities. WiFi? Hot Spots Ans: A 78) What does the Gargenta mean in his Design Philosophy when he says that the project will. Location C. Each additional chunk simply adds a new functionality to the application. True B. False Ans: A 80) Which of the following is NOT an activity we will be creating for the YAMBA project? . even though there will be points along the way when we will stop and the application will not run.. Sensor Readings D. He means that when we finish the entire project we will have a working application. which include processes you can easily ask for things such as your. A. B.77) The android OS comes with many useful system services. D. B. “Always be whole and complete”? A. A. Status Activity Ans: B 81) The timeline receiver will receive messages from the Android system. Preferences Activity B. Intents B. Hardware malfunctions C. Network receivers D. Network latency B. this is likely due to… A. Timeline Activity D. Activity manager contains too much. Update Activity C. Ans: A 84) How does Gargenta approach the problem of the app acting sluggishly due to network latency? . False Ans: B 82) Status data will be exposed to the rest of the Android system via: A. A content provider C. Virus on the Server D.A. True B. A. Altering permissions Ans: B 83) If the UI begins to behave sluggishly or crash while making network calls. Starting over B. 2014 iqapdf (http://interviewquestionsanswerspdf. 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