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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 231 · 40 questions
TalentJR

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.

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

Answer key

  1. Video
  2. a tab bar
  3. a tab bar
  4. Score card
  5. hides extra links
  6. sits at the bottom
  7. Friend list
  8. Video
  9. a menu button
  10. Score card
  11. shows 3 to 5 icons
  12. Score card
  13. goes to the last screen
  14. Badges
  15. Friend list
  16. Lessons
  17. Settings
  18. Badges
  19. Map
  20. Edit photo
  21. 0
  22. Map
  23. 0
  24. 1
  25. 3
  26. Friend list
  27. 0
  28. Help page
  29. Badges
  30. 0
  31. 1
  32. Search
  33. Badges
  34. a tab bar
  35. Match report
  36. Score card
  37. 0
  38. Lessons
  39. 2
  40. 1

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