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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 431 · 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 part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Match report”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Help page
  3. 3.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Video”
    4. tap the Home tab
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Help page
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  7. 7.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  8. 8.🧭 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?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap the Search tab
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Match report”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Match report (d) Quiz
  11. 11.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Edit photo
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Friend list
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Video
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Edit photo
  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
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Friend list
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap the Me tab
    Which screen are you on now?     (a) Me (b) Edit photo (c) Map (d) Lessons
  20. 20.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Score card
  22. 22.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. open “Friend list”
    4. tap the Settings tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Help page”
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Help page (d) Feed
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Help page
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Search (c) Edit photo (d) Match report
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. tap the Me tab
    Which screen are you on now?     (a) Help page (b) Me (c) Map (d) Lessons
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Profile (d) Friend list
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Lessons tab
    5. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Me (d) Lessons
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Friend list”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  32. 32.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  33. 33.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Chat tab
    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 “Map”
    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?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    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 “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. open “Score card”
    Which screen are you on now?     (a) Help page (b) Video (c) Home (d) Score card
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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