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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 402 · 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) switches main sections (b) undoes one move (c) opens a list of pages (d) hides extra links
  2. 2.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Video”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Search
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Help page (c) Video (d) Home
  8. 8.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) hides extra links
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Quiz (c) Friend list (d) Lessons
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Friend list
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Quiz (d) Lessons
  12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Profile
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Home (c) Profile (d) Match report
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    4. tap the Feed tab
    5. open “Match report”
    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. tap the Home tab
    2. open “Map”
    3. tap Back
    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 “Score card”
    2. open “Badges”
    3. tap the Home tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Me (d) Quiz
  19. 19.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) the last app used (d) a random page
  20. 20.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Video”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Home (d) Video
  22. 22.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap Back
    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. tap the Search tab
    3. tap the Search tab
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Profile
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap the Chat tab
    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. tap the Chat tab
    2. open “Badges”
    3. open “Video”
    4. tap the Settings tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Video
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Map (c) Feed (d) Match report
  28. 28.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Home tab
    4. open “Friend list”
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Home (c) Video (d) Friend list
  30. 30.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap the Chat tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Feed (c) Edit photo (d) Chat
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Help page (d) Badges
  34. 34.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  35. 35.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  36. 36.🧭 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
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 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) Home (b) Badges (c) Profile (d) Search
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Score card
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Match report (d) Chat

Answer key

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

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