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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 463 · 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) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) goes to the last screen
  2. 2.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Video”
    4. open “Edit photo”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to use more battery (d) to look busy
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?
    (a) Map (b) Home (c) Friend list (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) goes to the last screen
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  16. 16.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?
    (a) Quiz (b) Friend list (c) Me (d) Lessons
  18. 18.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  20. 20.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  21. 21.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Badges”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now?
    (a) Badges (b) Match report (c) Lessons (d) Map
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Edit photo”
    Which screen are you on now?
    (a) Badges (b) Chat (c) Edit photo (d) Feed
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now?
    (a) Home (b) Search (c) Edit photo (d) Video
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now?
    (a) Video (b) Home (c) Search (d) Map
  26. 26.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Profile tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?
    (a) Edit photo (b) Feed (c) Chat (d) Match report
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?
    (a) Match report (b) Chat (c) Video (d) Feed
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Me tab
    Which screen are you on now?
    (a) Me (b) Quiz (c) Lessons (d) Badges
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?
    (a) Search (b) Home (c) Match report (d) Profile
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    4. open “Map”
    Which screen are you on now?
    (a) Feed (b) Chat (c) Video (d) Map
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Map”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Map (b) Lessons (c) Quiz (d) Edit photo
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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