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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 526 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Edit photo
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    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?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    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?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Me (c) Edit photo (d) Quiz
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Help page (d) Lessons
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Video
  11. 11.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) sits at the bottom
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Home (c) Edit photo (d) Help page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Badges (d) Chat
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Feed tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Help page”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  18. 18.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Quiz (d) Lessons
  22. 22.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) undoes one move (d) hides extra links
  23. 23.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  24. 24.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  25. 25.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) goes to the last screen
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Match report
  27. 27.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Badges”
    4. open “Match report”
    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. tap the Home tab
    2. tap the Profile tab
    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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Badges (d) Help page
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) hides extra links (d) undoes one move
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Friend list
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. open “Help page”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    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. tap the Settings tab
    2. open “Video”
    3. tap the Settings tab
    4. open “Friend list”
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Friend list
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Match report
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Video”
    4. open “Edit photo”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Video

Answer key

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

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