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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 331 · 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 of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) undoes one move
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Search (c) Friend list (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Match report”
    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. open “Video”
    2. open “Edit photo”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Which part of navigation sits at the bottom? (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. open “Video”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Video (c) Lessons (d) Quiz
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Match report (d) Lessons
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Search tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Help page (c) Video (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. tap the Home tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to use more battery (d) to hide the menu
  13. 13.🧭 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”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Match report”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Match report (d) Friend list
  17. 17.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
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Map
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Badges
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Quiz tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap the Home tab
    4. tap the Search tab
    5. open “Match report”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Match report (d) Home
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Chat (d) Feed
  25. 25.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) undoes one move
  26. 26.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) switches main sections (d) undoes one move
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Lessons tab
    4. tap the Me tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Friend list
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Friend list”
    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. open “Score card”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Match report”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) sits at the bottom
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Help page
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Edit photo”
    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 opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  39. 39.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Score card”
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Help page (d) Video

Answer key

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

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