App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 495 · 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 “Edit photo”
   2. tap the Profile tab
   3. tap the Search tab
   Which screen are you on now? (a) Home (b) Edit photo (c) Profile (d) Search
2. 2.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) undoes one move
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Home tab
   3. open “Map”
   Which screen are you on now? (a) Search (b) Home (c) Map (d) Profile
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Match report”
   2. open “Friend list”
   3. tap Back
   4. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
5. 5.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Profile tab
   2. tap the Home tab
   3. tap the Profile tab
   4. tap the Search tab
   5. open “Match report”
   How many times must you tap Back to reach the main screen of this tab?
7. 7.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) hides extra links
8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Map”
   2. tap Back
   3. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now? (a) Search (b) Profile (c) Badges (d) Home
11. 11.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
12. 12.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now? (a) Score card (b) Match report (c) Lessons (d) Quiz
14. 14.🧭 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
15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) switches main sections
16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) switches main sections (d) goes to the last screen
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now? (a) Search (b) Home (c) Edit photo (d) Profile
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Video”
    4. open “Match report”
    Which screen are you on now? (a) Lessons (b) Video (c) Help page (d) Match report
22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
25. 25.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now? (a) Me (b) Lessons (c) Help page (d) Score card
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Search tab
    4. open “Badges”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now? (a) Match report (b) Lessons (c) Quiz (d) Me
30. 30.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap Back
    Which screen are you on now? (a) Lessons (b) Help page (c) Map (d) Quiz
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now? (a) Edit photo (b) Video (c) Chat (d) Feed
33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now? (a) Feed (b) Friend list (c) Match report (d) Chat
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Chat tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Map”
    5. tap Back
    Which screen are you on now? (a) Map (b) Lessons (c) Match report (d) Quiz
38. 38.🧭 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 “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now? (a) Score card (b) Me (c) Badges (d) Match report

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