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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 235 · 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.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Friend list (c) Profile (d) Badges
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Friend list
  4. 4.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  5. 5.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Map (c) Feed (d) Edit photo
  8. 8.🧭 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
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Video”
    4. tap the Lessons tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. open “Edit photo”
    4. open “Video”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Home (c) Map (d) Search
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Video”
    4. open “Video”
    Which screen are you on now?     (a) Map (b) Lessons (c) Video (d) Quiz
  13. 13.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Me (d) Quiz
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Help page (d) Match report
  16. 16.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Chat tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  19. 19.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  20. 20.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Help page”
    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 Search tab
    2. tap the Home tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Home (c) Help page (d) Score card
  24. 24.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Map
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Profile
  27. 27.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Match report (d) Score card
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Settings (b) Chat (c) Score card (d) Feed
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. 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 “Edit photo”
    2. open “Score card”
    3. open “Score card”
    4. open “Friend list”
    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 “Map”
    2. tap the Home tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Map (c) Lessons (d) Me
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Settings
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Video”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) sits at the bottom
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Chat (c) Badges (d) Feed

Answer key

  1. 3 to 5
  2. Profile
  3. Settings
  4. goes to the last screen
  5. goes to the last screen
  6. shows 3 to 5 icons
  7. Edit photo
  8. so users do not get lost
  9. 1
  10. 0
  11. Map
  12. Video
  13. the back button
  14. Me
  15. Help page
  16. a tab bar
  17. 0
  18. at the bottom
  19. that tab’s main screen
  20. a menu button
  21. 1
  22. 0
  23. Match report
  24. a menu button
  25. Match report
  26. Home
  27. a tab bar
  28. Badges
  29. Score card
  30. 1
  31. 3
  32. 1
  33. 4
  34. 1
  35. the back button
  36. Me
  37. Chat
  38. 1
  39. undoes one move
  40. Badges

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