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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 538 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?
    (a) Feed (b) Chat (c) Video (d) Help page
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  3. 3.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  4. 4.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) switches main sections
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now?
    (a) Match report (b) Map (c) Friend list (d) Feed
  6. 6.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) switches main sections
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. open “Friend list”
    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 “Badges”
    2. open “Badges”
    3. tap the Feed tab
    Which screen are you on now?
    (a) Chat (b) Badges (c) Feed (d) Settings
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 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 Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. tap the Lessons tab
    5. open “Friend list”
    Which screen are you on now?
    (a) Badges (b) Friend list (c) Score card (d) Lessons
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?
    (a) Score card (b) Home (c) Search (d) Help page
  14. 14.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  15. 15.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?
    (a) Friend list (b) Help page (c) Map (d) Video
  17. 17.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) hides extra links
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Quiz tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?
    (a) Edit photo (b) Quiz (c) Score card (d) Badges
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    4. open “Badges”
    Which screen are you on now?
    (a) Feed (b) Badges (c) Video (d) Chat
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?
    (a) Match report (b) Home (c) Search (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Map”
    5. tap the Lessons 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) hides extra links (b) switches main sections (c) goes to the last screen (d) shows 3 to 5 icons
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?
    (a) Feed (b) Chat (c) Edit photo (d) Settings
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Badges”
    Which screen are you on now?
    (a) Quiz (b) Edit photo (c) Lessons (d) Badges
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?
    (a) Score card (b) Chat (c) Feed (d) Map
  27. 27.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?
    (a) Settings (b) Feed (c) Video (d) Chat
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now?
    (a) Score card (b) Edit photo (c) Lessons (d) Badges
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?
    (a) Badges (b) Edit photo (c) Quiz (d) Lessons
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Friend list”
    5. open “Match report”
    Which screen are you on now?
    (a) Friend list (b) Map (c) Home (d) Match report
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?
    (a) Badges (b) Chat (c) Settings (d) Feed
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Video”
    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. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Help page”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    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 “Friend list”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Video”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now?
    (a) Match report (b) Video (c) Me (d) Help page
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?
    (a) Video (b) Quiz (c) Edit photo (d) Lessons

Answer key

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

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