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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 658 · 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.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Friend list”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Friend list
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Friend list
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Friend list
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Match report (c) Badges (d) Help page
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Match report
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  14. 14.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Video (c) Feed (d) Chat
  17. 17.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Home (c) Edit photo (d) Match report
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Match report”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Profile
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Map (b) Score card (c) Friend list (d) Help page
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Map (d) Home
  22. 22.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Map (d) Settings
  27. 27.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Friend list”
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Friend list
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Chat (d) Video
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Me tab
    4. tap the Quiz tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. open “Video”
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Home (c) Map (d) Friend list
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Friend list
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Me
  37. 37.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  38. 38.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    4. open “Video”
    5. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Chat (c) Video (d) Feed
  40. 40.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button

Answer key

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

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