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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 221 · 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.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Me (d) Quiz
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Edit photo (d) Home
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Help page”
    4. open “Match report”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Edit photo (d) Match report
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Settings
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Home (d) Friend list
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Feed tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
  10. 10.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    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. open “Video”
    2. open “Friend list”
    3. tap Back
    4. tap the Feed tab
    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 “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Quiz tab
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Me (b) Video (c) Lessons (d) Quiz
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Match report”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Help page”
    5. open “Badges”
    Which screen are you on now?     (a) Chat (b) Badges (c) Feed (d) Help page
  22. 22.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  23. 23.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Search (d) Home
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Home (c) Friend list (d) Search
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    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 “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Map (c) Match report (d) Badges
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) hides extra links (d) undoes one move
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Map”
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Map (c) Edit photo (d) Video
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap Back
    4. tap the Lessons tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Me
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Video (c) Edit photo (d) Help page
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    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) goes to the last screen (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Me (c) Video (d) Lessons

Answer key

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

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