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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 811 · 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.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Map”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Video (c) Chat (d) Feed
  5. 5.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Profile
  7. 7.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 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 the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Help page”
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Lessons (c) Badges (d) Help page
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Help page
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Match report”
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Match report (c) Friend list (d) Home
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Badges”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Badges
  18. 18.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Map (d) Home
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Map (c) Lessons (d) Quiz
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Friend list”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  23. 23.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Match report”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Edit photo (d) Match report
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, 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?
  26. 26.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Search tab
    4. tap the Profile tab
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Video
  28. 28.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) hides extra links
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Feed tab
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Match report
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  32. 32.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Friend list
  35. 35.🧭 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. tap the Search tab
    5. open “Help page”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Help page (d) Home
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) sits at the bottom
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Profile
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Badges”
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Score card (c) Edit photo (d) Badges
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Edit photo

Answer key

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

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