App Dev Worksheet: Navigation

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

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