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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 228 · 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.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) switches main sections
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Edit photo”
    4. open “Match report”
    5. open “Badges”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Match report (d) Badges
  3. 3.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Quiz (d) Lessons
  5. 5.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  6. 6.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Friend list
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation goes to the last screen? (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. tap the Profile tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Map
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Lessons (d) Quiz
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Map”
    4. tap the Quiz tab
    5. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Map (d) Help page
  13. 13.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Help page (d) Lessons
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Video”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Home tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Search (c) Edit photo (d) Home
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Home (c) Edit photo (d) Search
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Edit photo
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Help page (b) Chat (c) Map (d) Feed
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Score card
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Badges (c) Edit photo (d) Search
  23. 23.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Friend list
  25. 25.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    4. tap the Feed tab
    5. open “Score card”
    Which screen are you on now?     (a) Help page (b) Feed (c) Score card (d) Badges
  28. 28.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Help page (d) Lessons
  30. 30.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Map
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Video”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Home (d) Video
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Badges
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Map”
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Video
  35. 35.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) opens a list of pages
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Chat (c) Map (d) Feed
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Map (c) Badges (d) Me
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Search (d) Score card
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Home (c) Friend list (d) Score card
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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