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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 122 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Video”
    4. open “Map”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Video (c) Quiz (d) Edit photo
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  4. 4.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) switches main sections
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Badges
  6. 6.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  8. 8.🧭 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. tap the Lessons tab
    5. tap the Lessons tab
    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 “Badges”
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Score card (d) Friend list
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Video”
    Which screen are you on now?     (a) Help page (b) Video (c) Match report (d) Feed
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. open “Video”
    5. tap the Search tab
    Which screen are you on now?     (a) Search (b) Edit photo (c) Video (d) Home
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Map”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Map (c) Lessons (d) Video
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Feed (d) Chat
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Score card”
    4. tap the Home tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Help page (c) Profile (d) Home
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap Back
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) sits at the bottom
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Friend list
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Me (c) Badges (d) Lessons
  22. 22.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  23. 23.🧭 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
    4. tap the Quiz tab
    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. tap the Search tab
    2. tap the Search tab
    3. tap the Search tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Edit photo
  27. 27.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  28. 28.🧭 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 Home tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Search (c) Profile (d) Home
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Edit photo
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    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. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Badges
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Feed tab
    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 Chat tab
    2. tap the Feed tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Help page”
    4. tap Back
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Search (d) Home

Answer key

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

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