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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 714 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Me (c) Score card (d) Quiz
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Friend list (d) Home
  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. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) hides extra links
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Match report
  11. 11.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Match report
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Video (d) Lessons
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Me (b) Match report (c) Quiz (d) Lessons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Me tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Me (b) Score card (c) Map (d) Friend list
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Friend list (d) Quiz
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Edit photo (d) Feed
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Help page (c) Video (d) Search
  24. 24.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 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
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  27. 27.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Me tab
    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. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Video”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Score card
  31. 31.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Home (c) Map (d) Search
  33. 33.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  34. 34.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) hides extra links
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. tap the Settings tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Badges”
    4. open “Edit photo”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    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 Search tab
    2. tap the Profile tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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