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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 562 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Badges”
    4. tap the Profile tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Edit photo
  4. 4.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  5. 5.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Quiz (c) Score card (d) Lessons
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    5. tap the Feed tab
    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. tap the Feed tab
    2. open “Badges”
    3. tap Back
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Badges”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Match report (d) Quiz
  12. 12.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Map”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
  15. 15.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) switches main sections
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Video”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    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. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Me
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) undoes one move
  20. 20.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  21. 21.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) goes to the last screen
  22. 22.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Profile (d) Score card
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.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
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap the Quiz 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 Feed tab
    2. tap the Chat tab
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Settings (c) Chat (d) Feed
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) hides extra links (d) undoes one move
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Video
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Map”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Settings (d) Feed
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Video”
    4. tap the Profile tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Video”
    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. open “Video”
    2. tap Back
    3. open “Video”
    4. open “Friend list”
    5. tap the Feed tab
    Which screen are you on now?     (a) Friend list (b) Chat (c) Video (d) Feed

Answer key

  1. 0
  2. 1
  3. Edit photo
  4. a tab bar
  5. a menu button
  6. Map
  7. 3 to 5
  8. 0
  9. 1
  10. 0
  11. Match report
  12. the back button
  13. 1
  14. goes to the last screen
  15. opens a list of pages
  16. 2
  17. 1
  18. Lessons
  19. switches main sections
  20. the back button
  21. hides extra links
  22. sits at the bottom
  23. Profile
  24. 0
  25. goes to the last screen
  26. 1
  27. 0
  28. Badges
  29. a tab bar
  30. 0
  31. 2
  32. undoes one move
  33. a tab bar
  34. 1
  35. 3
  36. Video
  37. Settings
  38. 1
  39. 2
  40. Feed

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