App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 680 · 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.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
2. 2.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. tap the Lessons tab
   3. open “Badges”
   4. open “Video”
   Which screen are you on now? (a) Video (b) Quiz (c) Lessons (d) Badges
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Match report”
   2. open “Friend list”
   3. tap the Quiz tab
   Which screen are you on now? (a) Lessons (b) Friend list (c) Quiz (d) Match report
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Badges”
   3. open “Friend list”
   How many times must you tap Back to reach the main screen of this tab?
6. 6.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) opens a list of pages
7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) goes to the last screen
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Match report”
   3. tap the Search tab
   4. tap the Profile tab
   5. tap the Profile tab
   Which screen are you on now? (a) Profile (b) Search (c) Match report (d) Home
9. 9.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Search (c) Edit photo (d) Match report
11. 11.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Chat tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
16. 16.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
21. 21.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Help page”
    4. open “Match report”
    Which screen are you on now? (a) Map (b) Home (c) Match report (d) Help page
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now? (a) Score card (b) Badges (c) Map (d) Friend list
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
26. 26.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) opens a list of pages
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now? (a) Home (b) Friend list (c) Video (d) Search
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Badges”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now? (a) Home (b) Map (c) Profile (d) Search
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now? (a) Lessons (b) Me (c) Quiz
32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Me (b) Map (c) Quiz (d) Lessons
33. 33.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Match report”
    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. open “Edit photo”
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now? (a) Me (b) Edit photo (c) Quiz (d) Lessons
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now? (a) Quiz (b) Lessons (c) Edit photo (d) Badges
38. 38.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Video (c) Edit photo (d) Feed

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