App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 347 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
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 Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Video”
   3. open “Badges”
   4. tap the Chat tab
   Which screen are you on now? (a) Badges (b) Feed (c) Video (d) Chat
4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. tap Back
   3. open “Map”
   Which screen are you on now? (a) Map (b) Lessons (c) Score card (d) Quiz
5. 5.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
6. 6.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) opens a list of pages
7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. tap the Home tab
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Friend list”
   2. tap Back
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) goes to the last screen
10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
11. 11.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Feed (b) Edit photo (c) Chat (d) Match report
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Video”
    Which screen are you on now? (a) Video (b) Search (c) Home (d) Profile
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    Which screen are you on now? (a) Friend list (b) Chat (c) Feed (d) Help page
19. 19.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. tap the Search tab
    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. open “Help page”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Badges”
    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 Profile tab
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Badges”
    4. tap the Quiz tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.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) undoes one move
28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. open “Friend list”
    4. tap Back
    5. tap the Feed tab
    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. tap the Profile tab
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now? (a) Home (b) Search (c) Help page (d) Friend list
31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Search tab
    Which screen are you on now? (a) Video (b) Match report (c) Home (d) Search
32. 32.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
33. 33.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
34. 34.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
35. 35.🧭 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”
    4. open “Score card”
    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. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now? (a) Home (b) Profile (c) Search (d) Map
38. 38.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) hides extra links (d) goes to the last screen
39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Home (b) Video (c) Score card (d) Search
40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

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