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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 779 · 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.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Chat
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Settings
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Chat tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  8. 8.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Home tab
    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 the back button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) hides extra links
  11. 11.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Help page”
    4. tap the Profile tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 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 “Help page”
    Which screen are you on now?     (a) Video (b) Home (c) Help page (d) Search
  14. 14.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  15. 15.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) hides extra links
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Edit photo (d) Search
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Video
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Map”
    4. tap Back
    5. 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) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  22. 22.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  23. 23.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) undoes one move
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Badges”
    4. 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. tap the Chat tab
    2. open “Map”
    3. open “Badges”
    4. tap the Chat tab
    5. open “Edit photo”
    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 “Edit photo”
    2. tap the Search tab
    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?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    5. tap Back
    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. open “Match report”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Help page”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Match report
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  30. 30.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Score card (d) Quiz
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Profile (c) Search (d) Home
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Video (c) Lessons (d) Quiz
  35. 35.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Map
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Settings tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Settings
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Help page”
    4. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Profile
  40. 40.🧭 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 Chat tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat

Answer key

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

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