App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 81 · 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 “Badges”
   2. tap the Me tab
   3. open “Video”
   4. tap the Lessons tab
   5. open “Edit photo”
   Which screen are you on now? (a) Badges (b) Video (c) Edit photo (d) Lessons
2. 2.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) undoes one move
3. 3.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Chat tab
   2. open “Edit photo”
   3. tap the Chat tab
   4. open “Help page”
   5. tap Back
   How many times must you tap Back to reach the main screen of this tab?
5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. tap Back
   3. open “Match report”
   4. tap Back
   5. open “Video”
   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 Settings tab
   2. open “Match report”
   3. tap Back
   Which screen are you on now? (a) Settings (b) Match report (c) Feed (d) Chat
7. 7.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
8. 8.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) sits at the bottom (d) goes to the last screen
9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Help page”
   2. tap Back
   3. tap the Quiz tab
   Which screen are you on now? (a) Help page (b) Me (c) Quiz (d) Lessons
10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now? (a) Map (b) Score card (c) Search (d) Home
11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
12. 12.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Map”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now? (a) Settings (b) Chat (c) Badges (d) Feed
16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
17. 17.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) hides extra links
18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
19. 19.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) undoes one move
20. 20.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Me tab
    Which screen are you on now? (a) Friend list (b) Lessons (c) Me (d) Match report
22. 22.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now? (a) Edit photo (b) Match report (c) Badges (d) Lessons
24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now? (a) Quiz (b) Me (c) Match report (d) Lessons
25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Video”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
26. 26.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
27. 27.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now? (a) Lessons (b) Badges (c) Quiz (d) Me
29. 29.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
30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
31. 31.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Feed tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
33. 33.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. open “Friend list”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now? (a) Edit photo (b) Video (c) Search (d) Home
36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now? (a) Chat (b) Help page (c) Feed (d) Map
37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    5. open “Friend list”
    Which screen are you on now? (a) Match report (b) Home (c) Friend list (d) Edit photo
38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Home tab
    4. open “Help page”
    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 “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now? (a) Help page (b) Lessons (c) Quiz (d) Edit photo
40. 40.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) undoes one move (d) sits at the bottom

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