Solution and Answer Guide: Android Boot Camp for Developers Using Java® A Guide to Creating Your First Android Apps 4th Edition Corinne Hoisington
Solution and Answer Guide
Android Boot Camp for Developers Using Java® A Guide to Creating Your First Android Apps 4th Edition
Corinne Hoisington
Chapter 1-12
Chapter 1: Voila! Meet the Android
TABLE OF CONTENTS
Developer FAQs ........................................................................................................................................................... 1
Beyond the Book ......................................................................................................................................................... 3
Case Programming Projects ....................................................................................................................................... 3
DEVELOPER FAQS
1. What is the dessert name that starts with an “N” to identify an Android version? (1.4)
Answer: Nougat
2. What is the one-time cost for a developer’s account at Google Play? (1.5)
Answer: $25
3. When you post an Android app at Google Play, what percentage of the app price does the developer keep? (1.5)
Answer: 85%
4. _________________ is the web address of Google Play. (1.5)
Answer: play.google.com
5. What share of the world’s smartphone market is represented by Android? (1.1)
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 1
website, in whole or in part.
, Answer: 72%
6. Java is the most popular coding language used to create Android apps. What other language is also used?
(1.4)
Answer: Kotlin
Solution and Answer Guide: Chapter 1: Voila! Meet the Android
7. In which subfolder is the activity_main.xml file stored? (1.7)
Answer: layout
8. Name three widgets in the Palette mentioned in this chapter. (1.8, 1.9)
Answer: TextView, Button, Checkbox
9. What is the name of the widget that was used in the Hello Android World app? (1.8, 1.9)
Answer: TextView
10. Which two key combinations can you press to run an Android app in Android Studio? (1.9)
Answer: In Windows, Shift+F10; on a Mac, Command+Shift+F11
11. Which Android version is Kit Kat? (1.4)
Answer: 4.4
12. Using the alphabetical theme for Android version names, name three possible future names for the next versions of
Android device operating systems. (1.4)
Answer: Using the theme of desserts, any three dessert names after Tiramisu alphabetically
13. Which two attributes were changed in the Hello Android World app? (1.9)
Answer: text and id
14. What does SDK stand for? (1.4)
Answer: Software Development Kit
15. What does XML stand for? (1.4)
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 2
website, in whole or in part.
,Solution and Answer Guide:
Answer: Extensible Markup Language
BEYOND THE BOOK
Search the web for answers to the following questions to further your Android knowledge.
Hoisington, Android Boot Camp for Developers Using JAVA: A Guide to Creating Your First Android Apps 4e, 9780357881231, Chapter 2:
Simplify! The Android User Interface
1. Research a particular model of a popular Android smartphone or tablet device and write a paragraph on its features,
specifications, price, and manufacturer.
Answer: Answers will vary.
2. Name five Android mobile device features not mentioned in Chapter 1.
Answer: Answers will vary.
3. Research and provide three advantages that a Windows 11 user has with Android smartphones and apps.
Write and explain the advantages in full sentences.
Answer: Answers will vary.
4. Go to the Google Play website and take a screenshot of each of the following app categories: education, gaming,
mapping, travel, and personal hobby. Place the screenshots in a word-processing document and label each one to
identify them.
Answer: Answers will vary.
5. Create a timeline of the Android product from the past to present day.
Answer: Answers will vary.
CASE PROGRAMMING PROJECTS
Working code is provided in the chapter’s Solutions folders for each case programming project.
Solution and Answer Guide
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 3
website, in whole or in part.
, Hoisington, Android Boot Camp for Developers Using JAVA: A Guide to Creating Your First Android Apps
4e, 9780357881231, Chapter 2: Simplify! The Android User Interface
TABLE OF CONTENTS
Developer FAQs .................................................................................................................................1
Beyond the Book ...............................................................................................................................2
Case Programming Projects ................................................................................................................3
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 4
website, in whole or in part.
Solution and Answer Guide
Android Boot Camp for Developers Using Java® A Guide to Creating Your First Android Apps 4th Edition
Corinne Hoisington
Chapter 1-12
Chapter 1: Voila! Meet the Android
TABLE OF CONTENTS
Developer FAQs ........................................................................................................................................................... 1
Beyond the Book ......................................................................................................................................................... 3
Case Programming Projects ....................................................................................................................................... 3
DEVELOPER FAQS
1. What is the dessert name that starts with an “N” to identify an Android version? (1.4)
Answer: Nougat
2. What is the one-time cost for a developer’s account at Google Play? (1.5)
Answer: $25
3. When you post an Android app at Google Play, what percentage of the app price does the developer keep? (1.5)
Answer: 85%
4. _________________ is the web address of Google Play. (1.5)
Answer: play.google.com
5. What share of the world’s smartphone market is represented by Android? (1.1)
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 1
website, in whole or in part.
, Answer: 72%
6. Java is the most popular coding language used to create Android apps. What other language is also used?
(1.4)
Answer: Kotlin
Solution and Answer Guide: Chapter 1: Voila! Meet the Android
7. In which subfolder is the activity_main.xml file stored? (1.7)
Answer: layout
8. Name three widgets in the Palette mentioned in this chapter. (1.8, 1.9)
Answer: TextView, Button, Checkbox
9. What is the name of the widget that was used in the Hello Android World app? (1.8, 1.9)
Answer: TextView
10. Which two key combinations can you press to run an Android app in Android Studio? (1.9)
Answer: In Windows, Shift+F10; on a Mac, Command+Shift+F11
11. Which Android version is Kit Kat? (1.4)
Answer: 4.4
12. Using the alphabetical theme for Android version names, name three possible future names for the next versions of
Android device operating systems. (1.4)
Answer: Using the theme of desserts, any three dessert names after Tiramisu alphabetically
13. Which two attributes were changed in the Hello Android World app? (1.9)
Answer: text and id
14. What does SDK stand for? (1.4)
Answer: Software Development Kit
15. What does XML stand for? (1.4)
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 2
website, in whole or in part.
,Solution and Answer Guide:
Answer: Extensible Markup Language
BEYOND THE BOOK
Search the web for answers to the following questions to further your Android knowledge.
Hoisington, Android Boot Camp for Developers Using JAVA: A Guide to Creating Your First Android Apps 4e, 9780357881231, Chapter 2:
Simplify! The Android User Interface
1. Research a particular model of a popular Android smartphone or tablet device and write a paragraph on its features,
specifications, price, and manufacturer.
Answer: Answers will vary.
2. Name five Android mobile device features not mentioned in Chapter 1.
Answer: Answers will vary.
3. Research and provide three advantages that a Windows 11 user has with Android smartphones and apps.
Write and explain the advantages in full sentences.
Answer: Answers will vary.
4. Go to the Google Play website and take a screenshot of each of the following app categories: education, gaming,
mapping, travel, and personal hobby. Place the screenshots in a word-processing document and label each one to
identify them.
Answer: Answers will vary.
5. Create a timeline of the Android product from the past to present day.
Answer: Answers will vary.
CASE PROGRAMMING PROJECTS
Working code is provided in the chapter’s Solutions folders for each case programming project.
Solution and Answer Guide
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 3
website, in whole or in part.
, Hoisington, Android Boot Camp for Developers Using JAVA: A Guide to Creating Your First Android Apps
4e, 9780357881231, Chapter 2: Simplify! The Android User Interface
TABLE OF CONTENTS
Developer FAQs .................................................................................................................................1
Beyond the Book ...............................................................................................................................2
Case Programming Projects ................................................................................................................3
© 2023 Cengage. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible 4
website, in whole or in part.
