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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 234 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  5. 5.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Chat tab
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Lessons (d) Video
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    5. open “Map”
    Which screen are you on now?     (a) Badges (b) Map (c) Home (d) Match report
  11. 11.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) switches main sections
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Video (c) Chat (d) Feed
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Help page (c) Friend list (d) Home
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Match report”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Friend list
  16. 16.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) switches main sections
  17. 17.🧭 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
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. open “Video”
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Match report (c) Video (d) Quiz
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Match report (c) Chat (d) Feed
  22. 22.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) switches main sections
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Help page
  25. 25.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  26. 26.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap the Lessons tab
    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. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Help page (c) Home (d) Video
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Badges”
    4. tap the Chat tab
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Video (d) Badges
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Profile tab
    Which screen are you on now?     (a) Match report (b) Profile (c) Map (d) Home
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Lessons (d) Me
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    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 “Map”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Badges”
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Badges
  35. 35.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Help page”
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Me (c) Help page (d) Badges
  37. 37.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Video (c) Match report (d) Feed
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap the Lessons 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 “Score card”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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