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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 242 · 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 “Score card”
    2. tap the Me tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Score card
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Friend list”
    4. open “Help page”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 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
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Help page (c) Score card (d) Lessons
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Friend list (d) Map
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Feed (d) Friend list
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Map (d) Feed
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Badges
  11. 11.🧭 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. open “Score card”
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Score card (c) Feed (d) Friend list
  12. 12.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) undoes one move
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Map
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Profile
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Match report
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 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 “Badges”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) goes to the last screen (d) shows 3 to 5 icons
  22. 22.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. tap the Search tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) sits at the bottom
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Badges
  26. 26.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Score card (c) Feed (d) Map
  28. 28.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Video
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Quiz tab
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Video
  31. 31.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  32. 32.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  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 “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Lessons (d) Quiz
  36. 36.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) undoes one move (d) hides extra links
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Map (d) Home
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Friend list”
    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. tap the Home tab
    2. open “Friend list”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Friend list (d) Home
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    4. tap the Settings tab
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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