App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 552 · 40 questions

Developer's tip (Stack of screens): Open a screen → it goes on top of the stack. Back → the top screen closes; you see the one underneath. Tap a tab → you jump to that tab’s main screen. Backs needed to get home = screens on the stack − 1.

1. 1.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Video”
   2. open “Video”
   3. tap the Feed tab
   How many times must you tap Back to reach the main screen of this tab?
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap the Feed tab
   3. open “Score card”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) switches main sections (d) sits at the bottom
5. 5.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Friend list”
   3. tap the Lessons tab
   Which screen are you on now? (a) Quiz (b) Lessons (c) Me (d) Friend list
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Edit photo”
   3. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Badges”
   2. open “Help page”
   3. tap the Home tab
   4. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Score card”
    3. open “Friend list”
    Which screen are you on now? (a) Feed (b) Map (c) Friend list (d) Score card
11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
13. 13.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    Which screen are you on now? (a) Edit photo (b) Badges (c) Quiz (d) Lessons
16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Badges”
    5. tap the Lessons tab
    Which screen are you on now? (a) Me (b) Lessons (c) Badges (d) Quiz
18. 18.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Match report”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
25. 25.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Me (d) Help page
27. 27.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
28. 28.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) switches main sections
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap Back
    Which screen are you on now? (a) Me (b) Video (c) Lessons (d) Quiz
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now? (a) Search (b) Home (c) Help page (d) Profile
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    4. open “Badges”
    Which screen are you on now? (a) Map (b) Lessons (c) Badges (d) Quiz
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. open “Help page”
    Which screen are you on now? (a) Feed (b) Match report (c) Help page (d) Video
39. 39.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) sits at the bottom
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now? (a) Chat (b) Map (c) Feed (d) Settings

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