Android Android Certified Trainer AND-801 Questions & Answers

• Question 21:

  Check the following image which includes a code that runs when the user clicks on the button (id =button). This code for an Android app includes three check boxes for the question: "

  

  Which countries are in North America?" Select one of the following choices, where the result will appear when the app user clicks the button.

  A. in TextView widget has blank id

  B. in TextView widget has id: textresult

  C. in TextView widget has id: textresult.text

  D. in TexView widget has id: isChecKed

  Correct Answer: B

• Question 22:

  Android SDK platform is a set of libraries and APIs that provide necessary classes, methods and interfaces to develop Android applications and allow you to compile your code.

  A. False

  B. True

  Correct Answer: B

• Question 23:

  Which of the following Android Studio folders includes drawable files for different launcher icon densities?

  A. Values

  B. Drawable

  C. layout

  D. Mipmap

  Correct Answer: D

• Question 24:

  Android is an open source, Linux-based software stack.

  A. True

  B. False

  Correct Answer: A

• Question 25:

  Which of the following files has the correct name for a layout design file of an activity in an Android app?

  A. Gradle.sql

  B. MainActivity,java or MainActivity.kt

  C. Sample.class

  D. ctivity_ main.xml

  Correct Answer: D

• Question 26:

  Android Studio is the official IDE for Android application development.

  A. False

  B. True

  Correct Answer: B

• Question 27:

  To add a Google map to an Android app, you should to use map fragments.

  A. False B. True

  Correct Answer: B

• Question 28:

  The code snippet below displays a menu which is illustrated in another image. The emulator image displays a menu that contains three items, but in the code file none of these menu items are available. Where do these items come from?

  

  A. This file will not show any menu items.

  B. As illustrated in the code, these items are already added in the resource the called menu.xml and this file exists m a container called menu.

  C. These menu items are already added to AndroidManitfest,xml file.

  D. These items are added in activity_main.xml file.

  Correct Answer: B

• Question 29:

  Google Maps allows web sites, mobile apps and other media to connect to its database and import it in JSON format. This web connection between Google maps database and mobile applications are done through https connections and using an API key.

  A. False

  B. True

  Correct Answer: B

• Question 30:

  The first image below includes an Android code to generate AlertDialog which is illustrated in the second image. The last line of the code includes "xxxxxxx". Which of the following choices is the correct line of code to replace "xxxxxxx" for the purpose of showing this AlertDialog?

  

  A. SaveAlert.show( )

  B. Save-Activity( )

  C. Start.activity ( )

  D. savealert.show( )

  Correct Answer: A