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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 558 · 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.

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  1. 1.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Search (b) Help page (c) Score card (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Badges (c) Edit photo (d) Friend list
  4. 4.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  8. 8.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) shows 3 to 5 icons (d) undoes one move
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Help page”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Badges (d) Profile
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Search
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Score card”
    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. tap the Home tab
    2. open “Score card”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Score card (b) Map (c) Home (d) Search
  14. 14.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  15. 15.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Profile tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Profile
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Video”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Friend list
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Me (d) Lessons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Match report
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Badges (d) Search
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Help page (c) Badges (d) Chat
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Badges”
    4. tap Back
    5. open “Edit photo”
    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. tap the Me tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Edit photo
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Badges”
    4. open “Score card”
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Chat (d) Map
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. open “Match report”
    5. tap the Settings tab
    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 “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap the Settings tab
    Which screen are you on now?     (a) Map (b) Feed (c) Edit photo (d) Settings
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Home tab
    4. tap the Search tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  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. sits at the bottom
  2. Score card
  3. Edit photo
  4. opens a list of pages
  5. 3
  6. a menu button
  7. a tab bar
  8. undoes one move
  9. Profile
  10. Match report
  11. a tab bar
  12. 3
  13. Map
  14. so users do not get lost
  15. the back button
  16. 0
  17. goes to the last screen
  18. 0
  19. Search
  20. Score card
  21. 2
  22. goes to the last screen
  23. 2
  24. 0
  25. Score card
  26. Lessons
  27. Profile
  28. Help page
  29. Badges
  30. 3
  31. Edit photo
  32. 1
  33. Chat
  34. 0
  35. 1
  36. 2
  37. Settings
  38. 1
  39. the back button
  40. 3 to 5

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