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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 212 · 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 the back button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
  2. 2.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  3. 3.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  4. 4.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    4. tap the Chat tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Map”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Home tab
    4. open “Map”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Help page (c) Match report (d) Map
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me
  10. 10.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Badges (c) Score card (d) Home
  13. 13.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Score card (d) Lessons
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap Back
    4. open “Video”
    5. tap the Lessons tab
    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 “Edit photo”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Match report (d) Home
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  20. 20.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  22. 22.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Match report (b) Chat (c) Badges (d) Feed
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Help page”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  28. 28.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  29. 29.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Friend list
  31. 31.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) switches main sections
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Help page
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) switches main sections
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Video”
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now?     (a) Search (b) Score card (c) Video (d) Home
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Video”
    4. open “Badges”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Edit photo (d) Video
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Score card
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Video (c) Help page (d) Chat
  40. 40.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

Answer key

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

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