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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 861 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Lessons (d) Quiz
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Map (c) Score card (d) Badges
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Help page (d) Feed
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Me
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Help page”
    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 Profile tab
    2. open “Friend list”
    3. tap the Search tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  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 Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  14. 14.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Video (d) Help page
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Friend list”
    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 Feed tab
    2. open “Help page”
    3. tap Back
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Help page (c) Video (d) Feed
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Match report”
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Match report
  19. 19.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  20. 20.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Help page
  22. 22.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Badges”
    4. tap the Quiz tab
    5. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Badges (d) Lessons
  25. 25.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    5. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Search (d) Score card
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Video (c) Badges (d) Quiz
  28. 28.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Lessons 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 Settings tab
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Match report (c) Feed (d) Chat
  31. 31.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Chat tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Help page (d) Chat
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Match report”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Home (c) Match report (d) Edit photo
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    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 “Map”
    2. tap Back
    3. open “Score card”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Map (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Video (d) Map
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap the Settings tab
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Score card (d) Match report
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Settings tab
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Video (b) Map (c) Help page (d) Score card
  39. 39.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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