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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 704 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Match report”
    4. tap the Settings tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Match report (d) Edit photo
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Match report
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  5. 5.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Edit photo”
    4. tap the Me tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  9. 9.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Map (c) Profile (d) Home
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Help page”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Help page (d) Home
  12. 12.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) sits at the bottom
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Video
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Settings tab
    4. tap the Chat tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) undoes one move
  16. 16.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Friend list”
    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 “Help page”
    2. open “Badges”
    3. open “Edit photo”
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Score card (c) Edit photo (d) Help page
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Home (c) Map (d) Friend list
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now?     (a) Video (b) Me (c) Map (d) Score card
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Me
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Me (c) Lessons (d) Quiz
  27. 27.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  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) goes to the last screen
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Chat (c) Score card (d) Feed
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. open “Friend list”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  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 Quiz tab
    Which screen are you on now?     (a) Friend list (b) Me (c) Quiz (d) Lessons
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Badges (d) Feed
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Score card
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Feed (c) Video (d) Edit photo
  38. 38.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Edit photo
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Quiz tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Edit photo

Answer key

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

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