App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 452 · 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. open “Edit photo”
   2. tap Back
   3. open “Match report”
   4. tap Back
   5. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Help page”
   2. tap the Search tab
   3. open “Match report”
   Which screen are you on now? (a) Help page (b) Search (c) Match report (d) Home
3. 3.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Edit photo”
   2. open “Video”
   3. tap the Home tab
   4. open “Map”
   5. tap the Home tab
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Badges”
   3. open “Score card”
   4. open “Badges”
   5. tap Back
   Which screen are you on now? (a) Chat (b) Score card (c) Feed (d) Badges
6. 6.🧭 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
7. 7.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) goes to the last screen
8. 8.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
10. 10.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. open “Friend list”
    Which screen are you on now? (a) Edit photo (b) Friend list (c) Home (d) Search
13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now? (a) Feed (b) Settings (c) Match report (d) Map
14. 14.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    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. tap the Quiz tab
    3. open “Match report”
    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 “Help page”
    2. tap Back
    3. tap the Profile tab
    4. open “Edit photo”
    5. open “Score card”
    Which screen are you on now? (a) Help page (b) Edit photo (c) Home (d) Score card
20. 20.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
21. 21.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now? (a) Quiz (b) Edit photo (c) Lessons (d) Me
23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile 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?
24. 24.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) switches main sections (d) goes to the last screen
25. 25.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) hides extra links
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Help page”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) hides extra links
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
29. 29.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Feed (c) Match report (d) Badges
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Friend list”
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now? (a) Match report (b) Friend list (c) Home (d) Help page
35. 35.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) sits at the bottom
36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    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 “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now? (a) Score card (b) Help page (c) Me (d) Match report
39. 39.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Help page”
    4. tap the Profile tab
    5. open “Edit photo”
    Which screen are you on now? (a) Home (b) Score card (c) Help page (d) Edit photo

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