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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 350 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Score card (d) Friend list
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  3. 3.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  4. 4.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  5. 5.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) undoes one move (d) opens a list of pages
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Video”
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Badges
  9. 9.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Search (c) Badges (d) Home
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    4. open “Friend list”
    5. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Match report (d) Help page
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Badges
  15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    5. tap the Me tab
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Me
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) switches main sections (d) goes to the last screen
  18. 18.🧭 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
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Match report (b) Help page (c) Feed (d) Chat
  20. 20.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap the Search tab
    5. open “Map”
    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 “Video”
    2. open “Score card”
    3. tap the Chat tab
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Map (b) Score card (c) Badges (d) Video
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Video”
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) goes to the last screen
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Edit photo (d) Lessons
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Feed tab
    4. open “Friend list”
    5. tap Back
    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 “Badges”
    2. tap Back
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Badges
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. open “Video”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 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) Me (c) Lessons (d) Quiz
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Friend list”
    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. open “Match report”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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