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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 574 · 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.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Help page (d) Chat
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Map (b) Badges (c) Home (d) Friend list
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Video”
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Score card
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  7. 7.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Profile
  9. 9.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Video
  11. 11.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Badges (c) Score card (d) Lessons
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Score card”
    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. open “Edit photo”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Video”
    5. tap the Home tab
    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 “Match report”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Friend list (d) Quiz
  18. 18.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Badges (d) Quiz
  20. 20.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Match report
  23. 23.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Friend list (d) Search
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Help page”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Badges”
    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. tap the Quiz tab
    2. open “Map”
    3. tap the Me tab
    4. open “Friend list”
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Map (c) Match report (d) Lessons
  28. 28.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  29. 29.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. open “Badges”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) undoes one move
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Match report”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Video
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    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. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Home (c) Search (d) Map
  38. 38.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    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 “Map”
    2. tap Back
    3. open “Badges”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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