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App Dev Worksheet: Navigation

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

Answer key

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

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