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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 847 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Friend list”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.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
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Help page”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Video”
    4. open “Badges”
    Which screen are you on now?
    (a) Badges (b) Map (c) Feed (d) Video
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now?
    (a) Lessons (b) Help page (c) Match report (d) Edit photo
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Help page”
    Which screen are you on now?
    (a) Feed (b) Chat (c) Friend list (d) Help page
  12. 12.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  17. 17.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  18. 18.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Chat tab
    Which screen are you on now?
    (a) Help page (b) Feed (c) Settings (d) Chat
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. tap the Settings tab
    4. open “Friend list”
    5. tap the Feed tab
    Which screen are you on now?
    (a) Friend list (b) Feed (c) Chat (d) Video
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?
    (a) Search (b) Profile (c) Match report (d) Home
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Help page”
    4. tap Back
    5. tap the Settings 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 Quiz tab
    2. open “Match report”
    3. open “Video”
    4. open “Match report”
    5. open “Badges”
    Which screen are you on now?
    (a) Video (b) Badges (c) Lessons (d) Match report
  32. 32.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Help page (c) Edit photo (d) Home
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) hides extra links
  36. 36.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) undoes one move
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5

Answer key

  1. 1
  2. 0
  3. undoes one move
  4. 3
  5. Badges
  6. 0
  7. 0
  8. 1
  9. goes to the last screen
  10. Match report
  11. Help page
  12. a tab bar
  13. 0
  14. shows 3 to 5 icons
  15. 2
  16. sits at the bottom
  17. a menu button
  18. a tab bar
  19. Chat
  20. Feed
  21. 1
  22. hides extra links
  23. that tab’s main screen
  24. 1
  25. a tab bar
  26. Profile
  27. 0
  28. 1
  29. at the bottom
  30. 0
  31. Badges
  32. the back button
  33. Search
  34. 0
  35. goes to the last screen
  36. switches main sections
  37. 0
  38. 2
  39. a menu button
  40. 3 to 5

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