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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 300 · 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) undoes one move (b) switches main sections (c) opens a list of pages (d) hides extra links
  2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. tap the Settings tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 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
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?
    (a) Quiz (b) Match report (c) Lessons (d) Friend list
  8. 8.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Badges”
    Which screen are you on now?
    (a) Help page (b) Chat (c) Feed (d) Badges
  11. 11.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
  12. 12.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Video (d) Map
  14. 14.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    Which screen are you on now?
    (a) Chat (b) Video (c) Feed (d) Help page
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Map”
    Which screen are you on now?
    (a) Search (b) Profile (c) Home (d) Map
  17. 17.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Settings tab
    4. open “Help page”
    Which screen are you on now?
    (a) Map (b) Feed (c) Match report (d) Help page
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Score card”
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now?
    (a) Video (b) Friend list (c) Score card (d) Home
  21. 21.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?
    (a) Chat (b) Map (c) Settings (d) Feed
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    4. open “Video”
    5. open “Badges”
    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 “Friend list”
    2. open “Help page”
    3. open “Video”
    4. open “Map”
    Which screen are you on now?
    (a) Help page (b) Video (c) Friend list (d) Map
  26. 26.🧭 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 “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.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
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  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. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Match report”
    4. tap the Lessons tab
    5. tap the Me tab
    Which screen are you on now?
    (a) Match report (b) Video (c) Friend list (d) Me
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Me tab
    Which screen are you on now?
    (a) Quiz (b) Me (c) Lessons (d) Badges
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now?
    (a) Lessons (b) Video (c) Map (d) Me
  35. 35.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    5. open “Video”
    Which screen are you on now?
    (a) Video (b) Feed (c) Map (d) Chat
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?
    (a) Chat (b) Badges (c) Feed (d) Map
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now?
    (a) Map (b) Match report (c) Chat (d) Feed
  39. 39.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Edit photo”
    4. open “Badges”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. switches main sections
  2. the back button
  3. the back button
  4. 0
  5. 1
  6. at the bottom
  7. Friend list
  8. goes to the last screen
  9. a tab bar
  10. Badges
  11. hides extra links
  12. sits at the bottom
  13. Video
  14. that tab’s main screen
  15. Video
  16. Map
  17. goes to the last screen
  18. 0
  19. Help page
  20. Video
  21. a menu button
  22. 3 to 5
  23. Map
  24. 2
  25. Map
  26. 1
  27. 4
  28. shows 3 to 5 icons
  29. a tab bar
  30. 1
  31. Me
  32. a tab bar
  33. Me
  34. Me
  35. a menu button
  36. Video
  37. Badges
  38. Map
  39. opens a list of pages
  40. 0

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