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App Dev Worksheet: Navigation

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

Answer key

  1. 0
  2. Profile
  3. Edit photo
  4. 1
  5. Video
  6. opens a list of pages
  7. the back button
  8. Friend list
  9. 1
  10. so users do not get lost
  11. that tab’s main screen
  12. Quiz
  13. Search
  14. 0
  15. 0
  16. Edit photo
  17. a menu button
  18. Edit photo
  19. a tab bar
  20. 0
  21. sits at the bottom
  22. 2
  23. hides extra links
  24. 2
  25. 1
  26. 3
  27. Feed
  28. a tab bar
  29. 3 to 5
  30. shows 3 to 5 icons
  31. Edit photo
  32. Profile
  33. Friend list
  34. a menu button
  35. Search
  36. Badges
  37. Badges
  38. 1
  39. 1
  40. goes to the last screen

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