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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 120 · 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 “Map”
    2. tap the Chat tab
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Chat (c) Edit photo (d) Feed
  3. 3.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  4. 4.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) hides extra links (d) goes to the last screen
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  6. 6.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Match report (c) Video (d) Chat
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Me (d) Lessons
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Match report (c) Quiz (d) Lessons
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Badges (c) Lessons (d) Quiz
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  13. 13.🧭 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
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Map
  16. 16.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  17. 17.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now?     (a) Map (b) Me (c) Lessons (d) Friend list
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Friend list (c) Lessons (d) Quiz
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Map (b) Search (c) Profile (d) Home
  21. 21.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Help page (d) Friend list
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Help page (b) Home (c) Video (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. 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. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Settings (c) Feed (d) Chat
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Edit photo
  27. 27.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Map
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. open “Help page”
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Friend list (d) Help page
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Score card”
    5. open “Video”
    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 “Score card”
    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?
  33. 33.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Match report
  35. 35.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) hides extra links
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Search tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Map (d) Home
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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