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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 575 · 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 menu button? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. open “Edit photo”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Badges
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. open “Help page”
    4. tap the Search tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Profile
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. open “Map”
    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. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Match report (d) Edit photo
  11. 11.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Badges
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Home tab
    4. tap the Profile tab
    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 “Match report”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Home (d) Match report
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Settings (c) Chat (d) Feed
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) switches main sections
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Profile
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Map”
    5. tap Back
    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. tap the Profile tab
    2. open “Map”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Home (d) Search
  23. 23.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Video
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Help page”
    4. open “Score card”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Match report”
    4. tap the Me tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Profile (c) Home (d) Search
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Score card”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 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”
    4. open “Edit photo”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Badges”
    4. 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 “Score card”
    2. tap Back
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Score card (d) Edit photo
  37. 37.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) switches main sections
  38. 38.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to use more battery (d) to hide the menu
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Edit photo”
    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 “Edit photo”
    4. open “Score card”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Feed (d) Score card

Answer key

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

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