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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 617 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Help page”
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Map
  3. 3.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. open “Friend list”
    5. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Profile (c) Edit photo (d) Friend list
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Match report
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Friend list
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 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
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Friend list
  14. 14.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Search (c) Match report (d) Home
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Friend list”
    5. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Settings
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) sits at the bottom
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Friend list”
    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 “Badges”
    2. tap the Feed tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Chat tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Score card (c) Friend list (d) Chat
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Search (c) Match report (d) Home
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Badges (d) Lessons
  24. 24.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  25. 25.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) switches main sections
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Friend list
  27. 27.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  28. 28.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Settings
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Edit photo
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Match report”
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Badges (d) Feed
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Badges”
    4. open “Score card”
    Which screen are you on now?     (a) Feed (b) Badges (c) Help page (d) Score card
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Match report
  37. 37.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  40. 40.🧭 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

Answer key

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

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