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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 453 · 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 “Badges”
    2. open “Map”
    3. tap the Chat tab
    4. open “Video”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Badges (c) Map (d) Match report
  2. 2.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  3. 3.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) undoes one move
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Badges
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Friend list
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Home tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Help page”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Map (c) Quiz (d) Match report
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Home (c) Match report (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Me
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Badges
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  14. 14.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Profile
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Settings (c) Feed (d) Chat
  17. 17.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  18. 18.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Settings
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. open “Friend list”
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Friend list (c) Home (d) Video
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.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
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    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 “Score card”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Video”
    4. open “Match report”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Badges
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Me
  29. 29.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Map”
    4. open “Friend list”
    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 “Match report”
    2. open “Badges”
    3. tap Back
    4. open “Help page”
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Home (c) Help page (d) Badges
  35. 35.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Score card”
    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?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Score card”
    4. open “Match report”
    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 “Video”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Video
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Score card (c) Me (d) Quiz
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Match report
  2. sits at the bottom
  3. shows 3 to 5 icons
  4. Badges
  5. Chat
  6. 0
  7. Quiz
  8. Video
  9. Score card
  10. 1
  11. Lessons
  12. Quiz
  13. at the bottom
  14. goes to the last screen
  15. Profile
  16. Edit photo
  17. hides extra links
  18. a menu button
  19. the back button
  20. Feed
  21. Video
  22. 1
  23. goes to the last screen
  24. 2
  25. 1
  26. 5
  27. Video
  28. Me
  29. opens a list of pages
  30. 1
  31. 1
  32. 3 to 5
  33. 2
  34. Help page
  35. the back button
  36. 0
  37. 2
  38. Settings
  39. Me
  40. 0

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