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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 264 · 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 “Match report”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Match report
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Match report”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Friend list
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Video (d) Chat
  8. 8.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Map
  13. 13.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Lessons (d) Quiz
  15. 15.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  16. 16.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Map (c) Me (d) Lessons
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  20. 20.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  21. 21.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Profile (d) Friend list
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Match report
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Help page (c) Edit photo (d) Search
  27. 27.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
  28. 28.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Friend list (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now?     (a) Friend list (b) Video (c) Home (d) Edit photo
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 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
    4. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Friend list
  34. 34.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Me (d) Quiz
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Score card”
    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 “Badges”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Badges (c) Edit photo (d) Home
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  40. 40.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) goes to the last screen

Answer key

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

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