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App Dev Worksheet: Navigation

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

Answer key

  1. goes to the last screen
  2. 1
  3. Home
  4. 1
  5. 1
  6. shows 3 to 5 icons
  7. 3 to 5
  8. Score card
  9. Friend list
  10. so users do not get lost
  11. opens a list of pages
  12. 0
  13. 0
  14. that tab’s main screen
  15. switches main sections
  16. Friend list
  17. Score card
  18. 0
  19. goes to the last screen
  20. a tab bar
  21. Help page
  22. 1
  23. the back button
  24. 1
  25. the back button
  26. sits at the bottom
  27. Score card
  28. Search
  29. undoes one move
  30. Chat
  31. a tab bar
  32. 0
  33. a menu button
  34. 1
  35. Home
  36. Home
  37. Score card
  38. 0
  39. 1
  40. 1

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