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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 285 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Help page
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Help page”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Edit photo
  5. 5.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  6. 6.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  7. 7.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  9. 9.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Badges”
    4. open “Score card”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Score card”
    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 “Help page”
    2. open “Edit photo”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Home (c) Match report (d) Search
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Score card
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Help page
  18. 18.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) switches main sections
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Map
  20. 20.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Badges”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. open “Friend list”
    5. tap the Search tab
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Search (d) Friend list
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  25. 25.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  27. 27.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Badges”
    4. open “Score card”
    5. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Search (d) Map
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Search tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Badges”
    4. 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 “Match report”
    2. open “Friend list”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  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. tap the Me tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Help page
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Match report”
    Which screen are you on now?     (a) Map (b) Lessons (c) Friend list (d) Match report
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Edit photo
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Map”
    Which screen are you on now?     (a) Help page (b) Chat (c) Map (d) Feed
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Friend list (d) Quiz
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Score card”
    4. open “Help page”
    Which screen are you on now?     (a) Score card (b) Feed (c) Help page (d) Map
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Profile

Answer key

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

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