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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 55 · 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.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) undoes one move
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Me (c) Lessons (d) Quiz
  3. 3.🧭 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 “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Friend list”
    4. open “Video”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Lessons (c) Map (d) Friend list
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Profile
  6. 6.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  7. 7.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Me tab
    4. tap the Lessons tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Quiz (c) Friend list (d) Lessons
  9. 9.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 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”
    4. tap the Settings tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  14. 14.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Score card
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Badges
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap Back
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Help page (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Help page
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Score card (d) Home
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Settings (d) Feed
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Video”
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Profile (c) Video (d) Friend list
  27. 27.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Map
  29. 29.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. tap the Home tab
    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. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Edit photo (d) Quiz
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. open “Friend list”
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Map (c) Friend list (d) Match report
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Help page (c) Quiz (d) Me
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Badges”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Edit photo
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. open “Video”
    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. tap the Lessons tab
    2. open “Help page”
    3. open “Map”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Map
  38. 38.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Match report”
    4. open “Map”
    5. tap the Home tab
    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. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Match report

Answer key

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

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