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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 827 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Score card
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Settings (d) Chat
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Video (d) Home
  8. 8.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Feed (b) Score card (c) Chat (d) Badges
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Help page
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Score card (c) Badges (d) Lessons
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Video (d) Quiz
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 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
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    4. tap the Feed tab
    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. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. open “Edit photo”
    4. tap the Feed tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Quiz (c) Match report (d) Lessons
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Friend list”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Friend list
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    4. tap the Home tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Video
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Edit photo”
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Edit photo (d) Search
  29. 29.🧭 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. open “Match report”
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Match report (c) Score card (d) Help page
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Edit photo
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Video”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Video (d) Match report
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) undoes one move
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  35. 35.🧭 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 Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Help page (d) Edit photo
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Badges
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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