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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 835 · 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 “Video”
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Friend list”
    Which screen are you on now?     (a) Video (b) Score card (c) Friend list (d) Lessons
  2. 2.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) hides extra links (d) goes to the last screen
  3. 3.🧭 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
  4. 4.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Chat (c) Edit photo (d) Feed
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Me
  7. 7.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Feed tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Help page
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Settings tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  11. 11.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Me
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Home tab
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Badges (b) Match report (c) Home (d) Help page
  15. 15.🧭 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 the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Quiz (d) Video
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Friend list (d) Home
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Match report (c) Help page (d) Lessons
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Match report (c) Home (d) Search
  20. 20.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Settings tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Video (b) Friend list (c) Feed (d) Chat
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Me tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Score card
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Friend list
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Search tab
    4. open “Video”
    5. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Match report (c) Badges (d) Profile
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Edit photo
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Score card
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Video (d) Help page
  33. 33.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Badges (c) Friend list (d) Help page
  35. 35.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap the Search tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Map
  37. 37.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Lessons tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Quiz (c) Me (d) Lessons
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search

Answer key

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

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