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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 393 · 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.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  2. 2.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Home tab
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Search (d) Home
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Score card”
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) shows 3 to 5 icons
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Edit photo (d) Map
  8. 8.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  10. 10.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Profile (d) Search
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Help page (d) Match report
  13. 13.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Badges”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Help page (c) Quiz (d) Lessons
  16. 16.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  17. 17.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) hides extra links
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Video (d) Feed
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Video”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Help page”
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Help page (d) Badges
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Chat tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Chat tab
    4. open “Friend list”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Help page (d) Map
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Score card (d) Profile
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. open “Edit photo”
    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. tap the Settings tab
    2. tap the Chat tab
    3. open “Badges”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Badges (d) Chat
  30. 30.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) goes to the last screen
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  33. 33.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Quiz (c) Map (d) Lessons
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Map
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    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. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Help page”
    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. tap the Profile tab
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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