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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 507 · 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. tap the Home tab
    2. tap the Search tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Map”
    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 “Match report”
    2. open “Help page”
    3. open “Video”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Badges (c) Match report (d) Lessons
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Video (c) Badges (d) Home
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Home
  8. 8.🧭 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
  9. 9.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Help page (b) Map (c) Score card (d) Video
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Feed tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Edit photo
  15. 15.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  16. 16.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Help page (d) Badges
  19. 19.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  20. 20.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) goes to the last screen
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Me tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Help page (d) Me
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    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. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
  33. 33.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Lessons 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 Search tab
    2. open “Video”
    3. tap the Home tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Badges (d) Friend list
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Match report (c) Help page (d) Home
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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