App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 487 · 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.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
2. 2.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) opens a list of pages
3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Video”
   2. tap Back
   3. tap the Lessons tab
   4. open “Score card”
   5. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
4. 4.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
5. 5.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
6. 6.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
7. 7.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) hides extra links
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Friend list”
   2. open “Video”
   3. open “Map”
   How many times must you tap Back to reach the main screen of this tab?
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Help page”
   2. tap the Settings tab
   3. open “Video”
   How many times must you tap Back to reach the main screen of this tab?
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 “Score card”
    Which screen are you on now? (a) Home (b) Score card (c) Search (d) Match report
11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now? (a) Score card (b) Help page (c) Chat (d) Feed
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Video”
    Which screen are you on now? (a) Match report (b) Video (c) Help page (d) Lessons
19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now? (a) Match report (b) Help page (c) Search (d) Home
20. 20.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    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. tap the Quiz tab
    2. open “Match report”
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now? (a) Me (b) Score card (c) Lessons (d) Match report
23. 23.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
24. 24.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now? (a) Badges (b) Chat (c) Settings (d) Feed
26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Score card”
    Which screen are you on now? (a) Chat (b) Score card (c) Feed (d) Video
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Lessons tab
    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 “Badges”
    2. open “Match report”
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
30. 30.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
31. 31.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) hides extra links (d) undoes one move
32. 32.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Score card (b) Friend list (c) Quiz (d) Lessons
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Score card”
    4. tap the Feed tab
    5. open “Match report”
    Which screen are you on now? (a) Chat (b) Feed (c) Match report (d) Score card
36. 36.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now? (a) Home (b) Match report (c) Edit photo (d) Search
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
39. 39.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Friend list”
    4. open “Score card”
    5. tap the Me tab
    Which screen are you on now? (a) Friend list (b) Lessons (c) Me (d) Score card

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