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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 519 · 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. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Lessons (c) Edit photo (d) Score card
  2. 2.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  3. 3.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Score card (c) Map (d) Video
  5. 5.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Help page”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Help page
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Map (c) Score card (d) Quiz
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    4. open “Match report”
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Match report
  10. 10.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Friend list (c) Lessons (d) Quiz
  13. 13.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  14. 14.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) shows 3 to 5 icons (d) undoes one move
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Match report (c) Edit photo (d) Home
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Chat (c) Friend list (d) Feed
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Match report”
    4. open “Edit photo”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 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
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Map”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Settings
  27. 27.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Match report (c) Profile (d) Home
  29. 29.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) switches main sections
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  32. 32.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Badges (d) Match report
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap Back
    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 tab bar (b) the back button (c) a menu button
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    5. tap the Settings tab
    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) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Video (d) Feed
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Match report (c) Edit photo (d) Friend list
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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