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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 843 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. open “Edit photo”
    4. tap the Quiz tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  3. 3.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) sits at the bottom
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Quiz tab
    Which screen are you on now?
    (a) Badges (b) Match report (c) Friend list (d) Quiz
  5. 5.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?
    (a) Home (b) Friend list (c) Search (d) Help page
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  9. 9.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) opens a list of pages
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Match report”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?
    (a) Home (b) Search (c) Match report (d) Help page
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. open “Map”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Profile (c) Home
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. open “Video”
    4. open “Score card”
    Which screen are you on now?
    (a) Feed (b) Match report (c) Score card (d) Video
  17. 17.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Me tab
    4. open “Edit photo”
    Which screen are you on now?
    (a) Edit photo (b) Badges (c) Lessons (d) Match report
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?
    (a) Score card (b) Lessons (c) Me (d) Quiz
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?
    (a) Edit photo (b) Friend list (c) Score card (d) Lessons
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 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
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. tap Back
    Which screen are you on now?
    (a) Home (b) Profile (c) Video (d) Map
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?
    (a) Home (b) Search (c) Edit photo (d) Profile
  25. 25.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Profile (c) Help page (d) Home
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Friend list”
    5. tap the Feed tab
    Which screen are you on now?
    (a) Match report (b) Friend list (c) Feed (d) Video
  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 “Edit photo”
    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 the Feed tab
    3. tap the Feed tab
    Which screen are you on now?
    (a) Feed (b) Settings (c) Chat (d) Help page
  32. 32.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Map”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?
    (a) Video (b) Friend list (c) Match report (d) Lessons
  37. 37.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?
    (a) Profile (b) Help page (c) Search (d) Home
  39. 39.🧭 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 Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?
    (a) Search (b) Home (c) Badges (d) Help page

Answer key

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

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