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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 855 · 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 “Match report”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 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
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Video (d) Quiz
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Settings
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Home tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Badges”
    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) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
  13. 13.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Score card”
    4. open “Help page”
    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. tap the Me tab
    2. open “Badges”
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Me
  16. 16.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Help page (b) Map (c) Feed (d) Edit photo
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Map”
    4. open “Video”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) goes to the last screen
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Friend list
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Settings (d) Chat
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Settings (b) Map (c) Feed (d) Chat
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Help page (b) Map (c) Feed (d) Match report
  30. 30.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  33. 33.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Edit photo
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Map”
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Chat tab
    4. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Match report (d) Feed
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Map (c) Lessons (d) Quiz

Answer key

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

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