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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 307 · 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 menu button? (a) shows 3 to 5 icons (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  2. 2.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Edit photo
  4. 4.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) sits at the bottom
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap the Feed tab
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Friend list
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Help page (c) Friend list (d) Feed
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Help page (c) Quiz (d) Lessons
  11. 11.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Edit photo”
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Map (d) Home
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Feed (c) Friend list (d) Chat
  14. 14.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  15. 15.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Friend list
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Badges
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Badges (c) Friend list (d) Video
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Map”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Map (c) Video (d) Edit photo
  21. 21.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) sits at the bottom (d) hides extra links
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. tap Back
    4. 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 tab bar? (a) hides extra links (b) undoes one move (c) switches main sections (d) opens a list of pages
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Score card (b) Badges (c) Feed (d) Chat
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Badges (d) Friend list
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Map
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Quiz (c) Help page (d) Lessons
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Help page (d) Quiz
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Map”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Score card
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Score card (c) Match report (d) Quiz
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Score card”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Badges
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. open “Match report”
    4. tap the Profile 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. tap the Settings tab
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap the Settings tab
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Match report
  38. 38.🧭 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”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Friend list (c) Quiz (d) Lessons
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button

Answer key

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

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