App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 750 · 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 Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Me tab
   2. open “Friend list”
   3. tap Back
   4. open “Score card”
   Which screen are you on now? (a) Quiz (b) Score card (c) Lessons (d) Friend list
2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
3. 3.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) sits at the bottom (d) opens a list of pages
4. 4.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) opens a list of pages
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. open “Edit photo”
   3. tap Back
   4. tap the Settings tab
   5. open “Video”
   Which screen are you on now? (a) Feed (b) Edit photo (c) Badges (d) Video
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Friend list”
   2. tap Back
   3. tap the Feed tab
   4. open “Badges”
   5. tap the Chat tab
   Which screen are you on now? (a) Chat (b) Badges (c) Feed (d) Friend list
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. open “Map”
   3. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. tap the Quiz tab
   2. open “Friend list”
   3. tap Back
   4. 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 Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. open “Friend list”
   3. open “Video”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
10. 10.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Map”
    Which screen are you on now? (a) Search (b) Friend list (c) Home (d) Map
14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now? (a) Profile (b) Edit photo (c) Search (d) Home
18. 18.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Me tab
    4. open “Video”
    Which screen are you on now? (a) Quiz (b) Video (c) Me (d) Lessons
22. 22.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
23. 23.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
24. 24.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    4. open “Map”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.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
27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now? (a) Help page (b) Match report (c) Chat (d) Feed
29. 29.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Badges (d) Quiz
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Lessons 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 “Edit photo”
    2. tap the Profile tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
34. 34.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Map”
    4. open “Match report”
    Which screen are you on now? (a) Home (b) Map (c) Match report (d) Edit photo
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Map”
    4. tap the Lessons tab
    Which screen are you on now? (a) Video (b) Lessons (c) Map (d) Quiz
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Chat tab
    5. tap the Settings tab
    Which screen are you on now? (a) Feed (b) Chat (c) Settings
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
40. 40.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) goes to the last screen

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