App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 172 · 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.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. open “Match report”
   3. tap Back
   Which screen are you on now? (a) Search (b) Profile (c) Home (d) Match report
3. 3.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) switches main sections (d) undoes one move
4. 4.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Lessons tab
   2. open “Edit photo”
   3. tap Back
   4. open “Match report”
   Which screen are you on now? (a) Quiz (b) Match report (c) Edit photo (d) Lessons
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Edit photo”
   2. open “Friend list”
   3. open “Video”
   4. open “Help page”
   5. tap Back
   Which screen are you on now? (a) Edit photo (b) Video (c) Friend list (d) Help page
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Video”
   2. open “Edit photo”
   3. tap Back
   Which screen are you on now? (a) Search (b) Video (c) Home (d) Edit photo
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Badges”
   2. tap Back
   3. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. tap the Me tab
   3. open “Match report”
   Which screen are you on now? (a) Me (b) Match report (c) Quiz (d) Lessons
10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Video”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Match report”
    Which screen are you on now? (a) Quiz (b) Lessons (c) Match report (d) Video
12. 12.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
13. 13.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
14. 14.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
16. 16.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) hides extra links
17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Edit photo (c) Map (d) Search
19. 19.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Score card”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Match report (b) Profile (c) Search (d) Home
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now? (a) Profile (b) Search (c) Help page (d) Home
24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    5. tap the Profile tab
    Which screen are you on now? (a) Score card (b) Home (c) Profile (d) Edit photo
25. 25.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
26. 26.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
27. 27.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
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) opens a list of pages
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Badges”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Profile tab
    Which screen are you on now? (a) Profile (b) Badges (c) Home (d) Video
33. 33.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) opens a list of pages (d) sits at the bottom
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Quiz (c) Score card (d) Lessons
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Score card”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Chat tab
    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 “Badges”
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    5. open “Map”
    Which screen are you on now? (a) Feed (b) Map (c) Help page (d) Badges
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Help page”
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now? (a) Help page (b) Badges (c) Search (d) Home
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Help page”
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

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