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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 254 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Profile 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) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Me tab
    Which screen are you on now?
    (a) Lessons (b) Quiz (c) Me (d) Score card
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Score card”
    4. tap Back
    5. open “Edit photo”
    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. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap the Quiz tab
    Which screen are you on now?
    (a) Edit photo (b) Badges (c) Lessons (d) Quiz
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?
    (a) Score card (b) Feed (c) Chat (d) Help page
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Home tab
    Which screen are you on now?
    (a) Video (b) Match report (c) Search (d) Home
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  11. 11.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    5. open “Map”
    Which screen are you on now?
    (a) Edit photo (b) Map (c) Match report (d) Feed
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. open “Help page”
    Which screen are you on now?
    (a) Quiz (b) Badges (c) Lessons (d) Help page
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  18. 18.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  19. 19.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  20. 20.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Map”
    4. open “Friend list”
    5. open “Match report”
    Which screen are you on now?
    (a) Lessons (b) Friend list (c) Match report (d) Map
  22. 22.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Quiz tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?
    (a) Match report (b) Video (c) Feed (d) Chat
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) goes to the last screen
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?
    (a) Score card (b) Edit photo (c) Quiz (d) Lessons
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Edit photo (c) Match report (d) Friend list
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Match report”
    4. open “Video”
    5. tap Back
    Which screen are you on now?
    (a) Home (b) Search (c) Match report (d) Video
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?
    (a) Chat (b) Help page (c) Friend list (d) Feed
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Badges”
    Which screen are you on now?
    (a) Badges (b) Quiz (c) Lessons (d) Score card
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. open “Video”
    5. tap the Search tab
    Which screen are you on now?
    (a) Video (b) Match report (c) Search (d) Score card
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Quiz tab
    4. tap the Lessons 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. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) goes to the last screen
  38. 38.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Map”
    4. tap the Lessons tab
    Which screen are you on now?
    (a) Lessons (b) Map (c) Match report (d) Score card
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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