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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 69 · 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.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
  2. 2.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Badges”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Feed (d) Chat
  7. 7.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Chat tab
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Badges (c) Friend list (d) Feed
  9. 9.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Match report
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  13. 13.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  14. 14.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Help page
  17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Map”
    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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Quiz (c) Me (d) Lessons
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Friend list
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Help page”
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Edit photo
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 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) Settings (b) Friend list (c) Chat (d) Feed
  28. 28.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Home tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Score card”
    4. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Chat (c) Map (d) Feed
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    4. open “Badges”
    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 “Friend list”
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Feed (c) Friend list (d) Map
  35. 35.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Score card”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  39. 39.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle

Answer key

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

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