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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 536 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Map (d) Search
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Edit photo
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Quiz tab
    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 “Match report”
    3. tap the Settings tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Match report
  7. 7.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) shows 3 to 5 icons
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Video (c) Quiz (d) Lessons
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Video (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Friend list (d) Edit photo
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Home tab
    Which screen are you on now?     (a) Help page (b) Profile (c) Search (d) Home
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Video”
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Video (c) Home (d) Friend list
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Settings (d) Chat
  20. 20.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
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Home tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. open “Video”
    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 “Score card”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Score card (d) Feed
  24. 24.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Chat tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Chat (b) Badges (c) Edit photo (d) Feed
  26. 26.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  27. 27.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  30. 30.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Video”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Video (d) Lessons
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Me tab
    4. open “Edit photo”
    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 “Friend list”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Lessons (d) Edit photo
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Score card (d) Feed
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Feed (d) Chat
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  38. 38.🧭 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
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Match report
  39. 39.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Quiz (d) Lessons

Answer key

  1. at the bottom
  2. Profile
  3. Edit photo
  4. 0
  5. 0
  6. Score card
  7. undoes one move
  8. Friend list
  9. Edit photo
  10. Friend list
  11. 2
  12. Home
  13. 2
  14. a menu button
  15. 0
  16. 3 to 5
  17. 1
  18. Friend list
  19. Chat
  20. hides extra links
  21. Home
  22. 2
  23. Feed
  24. the back button
  25. Edit photo
  26. a menu button
  27. a tab bar
  28. 1
  29. a tab bar
  30. the back button
  31. Video
  32. 1
  33. Edit photo
  34. Edit photo
  35. Score card
  36. 1
  37. so users do not get lost
  38. Search
  39. switches main sections
  40. Map

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