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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 86 · 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.

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

Answer key

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

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