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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 165 · 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.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Search tab
    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. tap the Home tab
    2. tap the Search tab
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Video”
    4. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Search (c) Video (d) Home
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Me tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) opens a list of pages
  10. 10.🧭 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”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Score card (c) Chat (d) Feed
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Score card
  12. 12.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  13. 13.🧭 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?
  14. 14.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  15. 15.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Settings
  18. 18.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  19. 19.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) switches main sections
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Video”
    4. tap the Me tab
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Map (d) Video
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Lessons (c) Friend list (d) Edit photo
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Edit photo”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    5. open “Friend list”
    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 “Match report”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Home tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Home (c) Edit photo (d) Search
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Score card”
    4. tap the Profile tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Score card”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Profile tab
    4. tap the Search tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Help page
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Edit photo
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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