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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 771 · 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) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Help page”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Lessons (d) Video
  3. 3.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Edit photo
  5. 5.🧭 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
  6. 6.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Match report (b) Home (c) Video (d) Search
  9. 9.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    4. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Profile
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Map
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    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. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap the Profile tab
    5. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Match report
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Score card”
    4. 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 Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Profile (c) Search (d) Home
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Settings
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  22. 22.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Friend list
  24. 24.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
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Map
  26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 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
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Match report (d) Friend list
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Match report”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Match report (c) Map (d) Badges
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Score card”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Help page (d) Lessons
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Me tab
    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 “Edit photo”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Chat tab
    4. open “Friend list”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
  37. 37.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Search (c) Badges (d) Home
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Match report
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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