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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 543 · 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) switches main sections (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  2. 2.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used
  3. 3.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Edit photo
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Friend list
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 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
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Profile
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  12. 12.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Score card”
    4. open “Help page”
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Help page
  14. 14.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Home tab
    4. tap the Search tab
    5. open “Score card”
    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. tap the Me tab
    2. open “Video”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Profile
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Score card”
    4. open “Badges”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Badges
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Video”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap the Chat tab
    5. tap the Chat tab
    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. open “Edit photo”
    2. open “Badges”
    3. tap the Profile tab
    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 “Edit photo”
    2. tap the Profile tab
    3. open “Score card”
    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 “Help page”
    2. open “Score card”
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Help page (d) Score card
  27. 27.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  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”
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Map (d) Quiz
  30. 30.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  31. 31.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Settings (c) Edit photo (d) Chat
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Match report”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Profile (c) Home (d) Search
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Search tab
    4. tap the Search 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. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Feed (d) Edit photo
  38. 38.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) hides extra links

Answer key

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

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