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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 857 · 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.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  3. 3.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. open “Friend list”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  8. 8.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. open “Badges”
    5. tap Back
    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. tap the Quiz tab
    2. open “Match report”
    3. open “Badges”
    4. tap the Quiz tab
    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 “Match report”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) goes to the last screen
  13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  16. 16.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Friend list
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Me
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Help page
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Help page
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Settings tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Edit photo
  23. 23.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. tap the Profile 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. open “Video”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Lessons (c) Me (d) Quiz
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. open “Score card”
    4. open “Video”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Friend list (d) Quiz
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Score card (c) Help page (d) Match report
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Video”
    3. open “Badges”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap the Search tab
    4. open “Match report”
    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. tap the Quiz tab
    2. open “Edit photo”
    3. open “Edit photo”
    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. tap the Search tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Match report (d) Lessons
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Search (d) Home
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Help page (b) Lessons (c) Me (d) Match report
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Badges”
    4. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Search
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Edit photo
  40. 40.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar

Answer key

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

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