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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 702 · 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. open “Edit photo”
    2. tap the Me tab
    3. open “Friend list”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Badges
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) switches main sections
  7. 7.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to use more battery (d) to hide the menu
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Badges”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Badges (c) Lessons (d) Quiz
  9. 9.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  10. 10.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
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Match report”
    4. open “Badges”
    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. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Match report (d) Feed
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Badges”
    4. tap the Lessons tab
    5. tap the Me tab
    Which screen are you on now?     (a) Video (b) Badges (c) Lessons (d) Me
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Feed (c) Friend list (d) Edit photo
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    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. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap the Me tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Score card (d) Edit photo
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Help page”
    4. open “Score card”
    5. open “Match report”
    Which screen are you on now?     (a) Score card (b) Video (c) Match report (d) Help page
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Quiz (d) Lessons
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Search tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Badges
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Lessons tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Score card (d) Lessons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. 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 “Match report”
    2. open “Score card”
    3. tap the Chat tab
    4. open “Friend list”
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Help page (d) Match report
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    5. tap the Me 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. tap the Chat tab
    2. tap the Feed tab
    3. open “Friend list”
    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. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) opens a list of pages
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Feed tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  36. 36.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Settings
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Score card (b) Video (c) Help page (d) Badges
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    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 “Score card”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. 0
  2. 0
  3. a menu button
  4. Search
  5. 0
  6. opens a list of pages
  7. so users do not get lost
  8. Quiz
  9. goes to the last screen
  10. undoes one move
  11. 0
  12. hides extra links
  13. at the bottom
  14. 2
  15. 0
  16. Feed
  17. Me
  18. Help page
  19. 0
  20. 0
  21. Match report
  22. Match report
  23. Video
  24. Friend list
  25. 1
  26. Badges
  27. 0
  28. Help page
  29. 0
  30. 1
  31. 1
  32. 1
  33. sits at the bottom
  34. 0
  35. switches main sections
  36. a tab bar
  37. Settings
  38. Badges
  39. 1
  40. 1

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