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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 563 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Settings
  3. 3.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Match report (d) Lessons
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Home tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Badges (c) Feed (d) Help page
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Score card”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Friend list
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) hides extra links
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Home (c) Video (d) Match report
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Badges
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Profile
  16. 16.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) switches main sections
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Badges
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Map”
    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 “Match report”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Score card (c) Lessons (d) Quiz
  21. 21.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) sits at the bottom
  22. 22.🧭 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”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Settings
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) undoes one move
  25. 25.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap the Chat tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Settings
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Badges (c) Match report (d) Lessons
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Help page (c) Lessons (d) Edit photo
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Match report”
    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 Lessons tab
    2. tap the Me tab
    3. open “Match report”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Friend list”
    4. open “Map”
    5. open “Badges”
    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 “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Help page (c) Feed (d) Chat
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Help page”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Badges (c) Profile (d) Home
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Map”
    4. open “Map”
    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 “Match report”
    2. tap Back
    3. tap the Me tab
    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. tap the Profile tab
    2. tap the Search tab
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Friend list

Answer key

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

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