App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 732 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Score card”
   2. open “Badges”
   3. open “Map”
   4. open “Friend list”
   5. tap the Feed tab
   Which screen are you on now? (a) Badges (b) Score card (c) Feed (d) Map
3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. tap the Feed tab
   3. tap the Settings tab
   4. tap the Chat tab
   Which screen are you on now? (a) Settings (b) Feed (c) Match report (d) Chat
4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
   1. tap the Home tab
   2. tap the Search tab
   3. open “Badges”
   4. open “Edit photo”
   Which screen are you on now? (a) Search (b) Edit photo (c) Home (d) Badges
5. 5.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. tap the Settings tab
   2. open “Friend list”
   3. open “Video”
   4. tap Back
   How many times must you tap Back to reach the main screen of this tab?
7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
   1. open “Edit photo”
   2. tap the Lessons tab
   3. open “Score card”
   4. tap the Me tab
   5. tap the Quiz tab
   How many times must you tap Back to reach the main screen of this tab?
8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
   1. open “Match report”
   2. open “Edit photo”
   3. open “Friend list”
   Which screen are you on now? (a) Feed (b) Edit photo (c) Friend list (d) Match report
9. 9.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
10. 10.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
11. 11.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
12. 12.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Map”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now? (a) Badges (b) Feed (c) Chat (d) Friend list
15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now? (a) Home (b) Match report (c) Friend list (d) Search
16. 16.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap the Settings tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
18. 18.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
19. 19.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    Which screen are you on now? (a) Friend list (b) Feed (c) Chat (d) Score card
21. 21.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
23. 23.🧭 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”
    Which screen are you on now? (a) Lessons (b) Edit photo (c) Quiz (d) Me
24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) hides extra links
25. 25.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
28. 28.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now? (a) Chat (b) Friend list (c) Feed (d) Map
30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Quiz tab
    Which screen are you on now? (a) Quiz (b) Friend list (c) Lessons (d) Help page
31. 31.🧭 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
    5. tap the Me tab
    Which screen are you on now? (a) Lessons (b) Friend list (c) Score card (d) Me
32. 32.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. tap the Search tab
    5. open “Video”
    Which screen are you on now? (a) Search (b) Friend list (c) Video (d) Home
34. 34.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
36. 36.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) undoes one move (d) sits at the bottom
37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now? (a) Score card (b) Lessons (c) Match report (d) Quiz
38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Chat tab
    Which screen are you on now? (a) Chat (b) Video (c) Feed (d) Match report
39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now? (a) Match report (b) Feed (c) Chat (d) Help page
40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now? (a) Search (b) Home (c) Help page (d) Profile

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