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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 379 · 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 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
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  6. 6.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) hides extra links
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Search (d) Home
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the last app used (d) the phone settings
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Video
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Chat (c) Settings (d) Feed
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Edit photo
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Match report”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Badges”
    4. tap the Chat tab
    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 “Edit photo”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Edit photo (d) Quiz
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Badges (d) Feed
  19. 19.🧭 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. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Match report (d) Badges
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Match report
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (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. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Video”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Help page (d) Map
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Help page (d) Edit photo
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Feed tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Map
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Feed (d) Score card
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Search (c) Help page (d) Home
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Settings (b) Feed (c) Badges (d) Chat
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Friend list
  37. 37.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) undoes one move
  38. 38.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Profile (d) Home
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Search tab
    4. open “Help page”
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Help page

Answer key

  1. switches main sections
  2. 0
  3. a menu button
  4. 2
  5. at the bottom
  6. sits at the bottom
  7. a tab bar
  8. Home
  9. that tab’s main screen
  10. Friend list
  11. 3
  12. Settings
  13. Friend list
  14. 2
  15. the back button
  16. 0
  17. Friend list
  18. Friend list
  19. Badges
  20. Match report
  21. 1
  22. 1
  23. goes to the last screen
  24. 0
  25. 2
  26. the back button
  27. Help page
  28. Edit photo
  29. 1
  30. goes to the last screen
  31. 1
  32. Edit photo
  33. Edit photo
  34. Help page
  35. Badges
  36. Match report
  37. hides extra links
  38. shows 3 to 5 icons
  39. Profile
  40. Help page

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