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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 622 · 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.

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

Answer key

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

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