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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 711 · 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 “Score card”
    2. open “Map”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Map
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. tap the Lessons tab
    4. tap the Quiz tab
    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 “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Friend list
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Settings tab
    4. open “Score card”
    Which screen are you on now?     (a) Feed (b) Score card (c) Settings (d) Chat
  5. 5.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Video
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Home tab
    5. open “Badges”
    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. tap the Home tab
    2. open “Friend list”
    3. open “Score card”
    4. open “Edit photo”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  11. 11.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) switches main sections
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Friend list (d) Chat
  13. 13.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.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
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Video”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Video (d) Quiz
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. open “Video”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Map”
    5. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Map (c) Chat (d) Edit photo
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Help page
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Map
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Me (c) Help page (d) Map
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  31. 31.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. open “Friend list”
    5. tap Back
    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 “Friend list”
    2. open “Badges”
    3. open “Badges”
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now?     (a) Badges (b) Help page (c) Edit photo (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  36. 36.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Home tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Settings
  40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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