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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 787 · 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.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Search (c) Edit photo (d) Home
  3. 3.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Score card (d) Lessons
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    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. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Friend list
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Lessons (d) Quiz
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Feed tab
    4. tap the Feed tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Badges
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Badges (c) Home (d) Search
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?     (a) Video (b) Lessons (c) Match report (d) Quiz
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Edit photo (d) Quiz
  15. 15.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  16. 16.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Edit photo (c) Quiz (d) Lessons
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Score card (d) Search
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Me
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) hides extra links
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Map (c) Lessons (d) Quiz
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Settings (d) Chat
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Edit photo
  30. 30.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Video
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Help page”
    Which screen are you on now?     (a) Match report (b) Search (c) Help page (d) Home
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Help page (c) Chat (d) Feed
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Score card (c) Settings (d) Badges
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) goes to the last screen
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Settings (d) Chat
  39. 39.🧭 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
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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