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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 187 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Help page”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Help page
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  8. 8.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Video
  10. 10.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Friend list
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 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
  17. 17.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) undoes one move
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Video”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Video (d) Feed
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    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?
  20. 20.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Quiz
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Match report (d) Feed
  24. 24.🧭 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?
  25. 25.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Search (d) Home
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Edit photo”
    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. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Settings tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Feed (d) Chat
  33. 33.🧭 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 “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Badges
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Video (d) Home
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Chat (c) Edit photo (d) Feed
  39. 39.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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