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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 736 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  3. 3.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. open “Map”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Feed (d) Badges
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Search tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  8. 8.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Me (d) Help page
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Badges (d) Feed
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Home tab
    4. tap the Home tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Match report (d) Map
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Help page
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Video”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Friend list (b) Video (c) Search (d) Home
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Profile tab
    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. tap the Chat tab
    2. open “Map”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Map (b) Home (c) Match report (d) Search
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Video”
    4. open “Help page”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  26. 26.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Profile (d) Search
  28. 28.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Profile (d) Search
  30. 30.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Me tab
    4. open “Map”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Friend list
  34. 34.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) switches main sections (d) sits at the bottom
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Map”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Match report (d) Lessons
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Match report
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Edit photo”
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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