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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 421 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Profile tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Match report”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Video (c) Badges (d) Search
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  10. 10.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Me (c) Lessons (d) Quiz
  12. 12.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) switches main sections
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Map
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Chat (c) Score card (d) Feed
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Help page (c) Badges (d) Edit photo
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Search tab
    4. tap the Home tab
    5. open “Score card”
    Which screen are you on now?     (a) Help page (b) Home (c) Score card (d) Search
  23. 23.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Me
  25. 25.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Help page”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Help page”
    4. open “Video”
    Which screen are you on now?     (a) Badges (b) Help page (c) Feed (d) Video
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Badges (d) Search
  32. 32.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Match report
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Help page (c) Lessons (d) Video
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Badges (c) Chat (d) Feed
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Video”
    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. open “Match report”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) switches main sections
  39. 39.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) switches main sections
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap the Me tab
    Which screen are you on now?     (a) Video (b) Lessons (c) Me (d) Quiz

Answer key

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

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