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App Dev Worksheet: Navigation

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

Answer key

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

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