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App Dev Worksheet: Navigation

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

Answer key

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

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