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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 353 · 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.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Video”
    4. tap the Home tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Score card (c) Friend list (d) Edit photo
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Help page
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Badges”
    4. open “Badges”
    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 “Help page”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Help page
  7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Home tab
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Badges (c) Map (d) Home
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Badges”
    4. tap the Quiz tab
    5. tap the Me tab
    Which screen are you on now?     (a) Me (b) Friend list (c) Lessons (d) Badges
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Friend list (d) Search
  14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  15. 15.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) undoes one move
  16. 16.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (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 Chat tab
    2. open “Map”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Chat (c) Map (d) Feed
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap the Settings tab
    4. open “Match report”
    Which screen are you on now?     (a) Map (b) Feed (c) Match report (d) Video
  19. 19.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Video
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Match report
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Friend list”
    4. open “Badges”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Score card (d) Badges
  25. 25.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Home (c) Badges (d) Search
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. open “Match report”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Help page”
    4. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Video (c) Lessons (d) Friend list
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Video”
    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. tap the Chat tab
    2. tap the Chat tab
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?     (a) Search (b) Badges (c) Help page (d) Home
  35. 35.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) hides extra links
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Match report (d) Chat
  37. 37.🧭 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) Home (b) Search (c) Edit photo (d) Match report
  38. 38.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  39. 39.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) undoes one move (d) sits at the bottom
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. open “Video”
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Video (c) Feed (d) Score card

Answer key

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

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