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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 429 · 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.

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

Answer key

  1. 2
  2. Feed
  3. Video
  4. hides extra links
  5. Score card
  6. undoes one move
  7. a tab bar
  8. Edit photo
  9. a tab bar
  10. Quiz
  11. switches main sections
  12. 1
  13. opens a list of pages
  14. Edit photo
  15. Profile
  16. a menu button
  17. sits at the bottom
  18. a menu button
  19. the back button
  20. so users do not get lost
  21. Search
  22. 1
  23. Match report
  24. a tab bar
  25. 1
  26. Video
  27. Match report
  28. Edit photo
  29. Lessons
  30. Profile
  31. 3
  32. Match report
  33. 2
  34. 1
  35. 1
  36. shows 3 to 5 icons
  37. Friend list
  38. Score card
  39. the back button
  40. Edit photo

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