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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 265 · 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.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Settings
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Me (d) Quiz
  4. 4.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Settings tab
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Video (c) Help page (d) Feed
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  12. 12.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) switches main sections
  13. 13.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) undoes one move
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Home tab
    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 “Video”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Video (b) Chat (c) Feed (d) Badges
  16. 16.🧭 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. open “Friend list”
    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. open “Help page”
    2. open “Help page”
    3. open “Map”
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Lessons (d) Help page
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Friend list
  19. 19.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Profile (d) Search
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Friend list (d) Lessons
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Search (d) Home
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Friend list
  24. 24.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) in the middle (d) at the bottom
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Video”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  27. 27.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  28. 28.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Chat tab
    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. open “Friend list”
    2. open “Match report”
    3. tap the Settings tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Match report (d) Friend list
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Profile
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Help page (b) Home (c) Score card (d) Search
  33. 33.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. 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 “Edit photo”
    2. open “Friend list”
    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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Me 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. open “Map”
    2. open “Video”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Home tab
    4. open “Video”
    5. tap the Search tab
    Which screen are you on now?     (a) Video (b) Friend list (c) Search (d) Map
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Video”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Video (c) Match report (d) Lessons
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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