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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 571 · 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.

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

Answer key

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

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