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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 549 · 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.

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

Answer key

  1. Match report
  2. 1
  3. goes to the last screen
  4. 0
  5. Help page
  6. at the bottom
  7. 0
  8. 1
  9. shows 3 to 5 icons
  10. a tab bar
  11. Help page
  12. so users do not get lost
  13. undoes one move
  14. 3 to 5
  15. Settings
  16. 0
  17. Score card
  18. 0
  19. the back button
  20. Score card
  21. 0
  22. opens a list of pages
  23. 3
  24. 1
  25. 1
  26. 1
  27. that tab’s main screen
  28. Badges
  29. the back button
  30. a menu button
  31. 0
  32. Profile
  33. 1
  34. switches main sections
  35. Settings
  36. a tab bar
  37. Feed
  38. Match report
  39. 1
  40. a menu button

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