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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 434 · 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) undoes one move (b) switches main sections (c) goes to the last screen (d) hides extra links
  2. 2.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Help page (c) Video (d) Feed
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
  6. 6.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Match report (c) Badges (d) Home
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Video”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Video
  9. 9.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Settings (c) Friend list (d) Chat
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Video
  17. 17.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) switches main sections
  18. 18.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Search (c) Video (d) Home
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Me
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Settings
  22. 22.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  28. 28.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Video (d) Lessons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Help page (c) Friend list (d) Badges
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    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 “Video”
    2. tap Back
    3. tap the Home tab
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Home (b) Video (c) Match report (d) Edit photo
  36. 36.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Edit photo
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Video”
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Video (c) Edit photo (d) Lessons
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Help page”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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