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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 426 · 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.

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

Answer key

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

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