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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 512 · 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 “Map”
    2. open “Edit photo”
    3. tap the Settings tab
    4. open “Match report”
    5. tap the Chat tab
    Which screen are you on now?     (a) Map (b) Chat (c) Match report (d) Edit photo
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Search tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Match report (c) Friend list (d) Help page
  4. 4.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  5. 5.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  6. 6.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  9. 9.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  10. 10.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  11. 11.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Badges”
    4. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Me
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    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?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Edit photo (d) Help page
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Badges (c) Match report (d) Map
  21. 21.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  22. 22.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  23. 23.🧭 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
    Which screen are you on now?     (a) Feed (b) Badges (c) Settings (d) Chat
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Home (c) Edit photo (d) Profile
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    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 “Map”
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Score card”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  29. 29.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) goes to the last screen
  30. 30.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Video
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap Back
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Badges
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    5. tap the Feed tab
    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. open “Edit photo”
    2. tap Back
    3. open “Help page”
    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 Feed tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Settings
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. open “Badges”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Friend list”
    4. open “Match report”
    5. open “Friend list”
    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. tap the Settings tab
    2. open “Video”
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Score card”
    4. open “Score card”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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