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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 113 · 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) goes to the last screen (c) sits at the bottom (d) undoes one move
  2. 2.🧭 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”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Friend list
  3. 3.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Video (d) Search
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Badges”
    4. tap the Chat tab
    Which screen are you on now?     (a) Video (b) Chat (c) Badges (d) Help page
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Friend list”
    4. open “Help page”
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Match report (d) Help page
  9. 9.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  10. 10.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Settings tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Match report (d) Lessons
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    Which screen are you on now?     (a) Video (b) Edit photo (c) Settings (d) Feed
  18. 18.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) undoes one move
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Badges
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Video (c) Home (d) Map
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 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 Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?     (a) Me (b) Quiz (c) Match report (d) Lessons
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Map”
    4. tap the Profile tab
    5. open “Score card”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Score card
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Score card”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Video”
    5. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Video (d) Feed
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Match report (b) Search (c) Map (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    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 “Video”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Video
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Match report (d) Feed
  38. 38.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Score card (c) Settings (d) Feed
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Quiz

Answer key

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

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