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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 365 · 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. tap the Quiz tab
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Me tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  3. 3.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Search (c) Match report (d) Home
  5. 5.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Badges
  7. 7.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) switches main sections (d) goes to the last screen
  8. 8.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) switches main sections
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Me (d) Quiz
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Help page
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Edit photo
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Match report
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Feed (c) Edit photo (d) Chat
  15. 15.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Home (c) Help page (d) Friend list
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. tap the Me tab
    4. tap the Quiz tab
    5. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Badges
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Friend list
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Map”
    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 “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Home (d) Video
  26. 26.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
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Friend list”
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Badges
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Friend list
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Match report”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) sits at the bottom
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Help page”
    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. tap the Home tab
    2. open “Map”
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Help page
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  37. 37.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap the Chat tab
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Feed (c) Score card (d) Chat
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Quiz tab
    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 “Badges”
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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