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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 697 · 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. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Match report
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Search (c) Video (d) Home
  6. 6.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) switches main sections (d) goes to the last screen
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Feed (d) Chat
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to use more battery (d) to hide the menu
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile
  12. 12.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Map”
    4. tap the Me tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Profile 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. open “Match report”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Map”
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Feed (d) Chat
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Profile
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Lessons (d) Friend list
  19. 19.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) hides extra links (d) undoes one move
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Home (b) Map (c) Score card (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) switches main sections (d) undoes one move
  24. 24.🧭 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
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  27. 27.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Match report”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 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 Search tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Score card (b) Chat (c) Badges (d) Feed
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Settings tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz
  35. 35.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
  36. 36.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Map”
    4. tap Back
    5. open “Map”
    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. open “Match report”
    2. open “Video”
    3. tap the Quiz tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Video (d) Lessons
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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