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App Dev Worksheet: Navigation

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

Answer key

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

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