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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 480 · 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) sits at the bottom (b) switches main sections (c) hides extra links (d) undoes one move
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  4. 4.🧭 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 Back
    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 “Badges”
    2. open “Map”
    3. tap Back
    4. open “Match report”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. open “Video”
    4. tap the Profile tab
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Help page (c) Home (d) Match report
  7. 7.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) goes to the last screen
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) hides extra links
  11. 11.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Settings (b) Feed (c) Badges (d) Chat
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Edit photo
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?     (a) Map (b) Match report (c) Feed (d) Help page
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Me (c) Quiz (d) Lessons
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Settings
  19. 19.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Edit photo (d) Quiz
  21. 21.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) opens a list of pages (d) hides extra links
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Me (c) Quiz (d) Lessons
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Edit photo”
    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 Search tab
    2. open “Map”
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Map (c) Search (d) Home
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Profile (d) Search
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    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 “Badges”
    2. tap the Chat tab
    3. open “Video”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  33. 33.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  34. 34.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap the Me tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Search tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Edit photo (c) Score card (d) Help page
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Edit photo
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Match report

Answer key

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

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