App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 553 · 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.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
2. 2.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. open “Friend list”
   2. tap the Search tab
   3. open “Help page”
   How many times must you tap Back to reach the main screen of this tab?
4. 4.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) sits at the bottom
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Score card”
   2. tap Back
   3. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Feed tab
   2. open “Badges”
   3. open “Map”
   4. tap Back
   Which screen are you on now? (a) Badges (b) Feed (c) Chat (d) Map
7. 7.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) switches main sections
8. 8.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Badges”
   2. open “Edit photo”
   3. open “Edit photo”
   How many times must you tap Back to reach the main screen of this tab?
10. 10.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Score card”
    5. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Score card (d) Me
12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. open “Badges”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
13. 13.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
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 “Video”
    4. tap the Settings tab
    Which screen are you on now? (a) Settings (b) Feed (c) Edit photo (d) Video
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Friend list”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
17. 17.🧭 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
18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Map”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
19. 19.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to use more battery (d) to look busy
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Settings tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Video”
    Which screen are you on now? (a) Friend list (b) Chat (c) Feed (d) Video
22. 22.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now? (a) Score card (b) Settings (c) Chat (d) Feed
24. 24.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. open “Map”
    5. open “Map”
    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. open “Friend list”
    2. tap Back
    3. open “Map”
    Which screen are you on now? (a) Chat (b) Feed (c) Map (d) Friend list
29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    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 switches main sections? (a) a menu button (b) a tab bar (c) the back button
31. 31.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) opens a list of pages
32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Match report”
    Which screen are you on now? (a) Lessons (b) Quiz (c) Match report (d) Me
37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now? (a) Video (b) Chat (c) Feed (d) Map
38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Video”
    4. tap the Me tab
    Which screen are you on now? (a) Me (b) Match report (c) Video (d) Lessons
39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

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