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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 210 · 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 use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Match report (d) Home
  3. 3.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  4. 4.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Badges
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Match report (d) Lessons
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Match report”
    4. tap the Chat tab
    5. open “Match report”
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Match report
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Friend list”
    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. tap the Lessons tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Me (b) Video (c) Quiz (d) Lessons
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Badges”
    4. open “Friend list”
    5. open “Video”
    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. tap the Home tab
    2. open “Help page”
    3. open “Video”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  13. 13.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) undoes one move
  14. 14.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) hides extra links
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Feed (c) Badges (d) Chat
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    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 Settings tab
    2. open “Edit photo”
    3. open “Match report”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    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?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Video (c) Feed (d) Chat
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Match report”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Badges”
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  26. 26.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Friend list
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me 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. open “Help page”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation opens a list of pages? (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 “Map”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Map (d) Lessons
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Feed (c) Edit photo (d) Score card
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) opens a list of pages
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Me tab
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Map (d) Help page

Answer key

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

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