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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 144 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Help page (d) Match report
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Search (d) Home
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Video
  6. 6.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Badges”
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Badges
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Search tab
    4. open “Match report”
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Map
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Search tab
    4. 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.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Score card (c) Settings (d) Badges
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Me tab
    4. open “Map”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 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
    4. open “Video”
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Video
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. 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 menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  17. 17.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Map (d) Lessons
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap the Search tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Match report
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Me (d) Lessons
  23. 23.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
  24. 24.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Match report (c) Badges (d) Feed
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Video”
    5. open “Badges”
    Which screen are you on now?     (a) Score card (b) Help page (c) Badges (d) Video
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Search (d) Home
  30. 30.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) shows 3 to 5 icons (d) goes to the last screen
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Edit photo
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Score card (d) Search
  39. 39.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. open “Video”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Friend list
  2. Score card
  3. a tab bar
  4. goes to the last screen
  5. Score card
  6. the back button
  7. Badges
  8. Search
  9. 0
  10. a menu button
  11. 3 to 5
  12. Settings
  13. 2
  14. Video
  15. 3
  16. opens a list of pages
  17. a tab bar
  18. Quiz
  19. 2
  20. 1
  21. Score card
  22. Badges
  23. shows 3 to 5 icons
  24. hides extra links
  25. 1
  26. Chat
  27. 2
  28. Badges
  29. Profile
  30. goes to the last screen
  31. Friend list
  32. a tab bar
  33. 0
  34. 0
  35. that tab’s main screen
  36. 1
  37. the back button
  38. Match report
  39. switches main sections
  40. 3

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