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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 384 · 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. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Me (c) Edit photo (d) Quiz
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Badges (d) Friend list
  4. 4.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Friend list
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  10. 10.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Search tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Search (d) Home
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Video
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Match report (d) Home
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Badges (d) Quiz
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Map”
    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 “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Badges (d) Search
  21. 21.🧭 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”
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Friend list
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) sits at the bottom
  24. 24.🧭 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) Chat (b) Match report (c) Feed (d) Settings
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. open “Match report”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Help page”
    4. open “Help page”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Badges
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap the Home tab
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Profile
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Edit photo (d) Feed
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Video”
    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. tap the Feed tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Settings
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Match report
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Help page”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Friend list
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  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 Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Video (c) Score card (d) Friend list

Answer key

  1. Lessons
  2. Edit photo
  3. Friend list
  4. goes to the last screen
  5. Friend list
  6. 0
  7. 3 to 5
  8. a tab bar
  9. a menu button
  10. opens a list of pages
  11. that tab’s main screen
  12. 3
  13. Friend list
  14. 1
  15. Chat
  16. 0
  17. Match report
  18. Badges
  19. 1
  20. Help page
  21. Friend list
  22. 2
  23. undoes one move
  24. Match report
  25. 3
  26. a tab bar
  27. 3
  28. sits at the bottom
  29. Badges
  30. Home
  31. Feed
  32. 2
  33. 1
  34. Feed
  35. Match report
  36. 4
  37. Friend list
  38. 2
  39. a menu button
  40. Score card

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