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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 609 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. tap the Feed tab
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Score card (c) Chat (d) Feed
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Help page (c) Match report (d) Quiz
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Edit photo”
    4. open “Friend list”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  5. 5.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Edit photo
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Map (c) Match report (d) Feed
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Edit photo
  10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) switches main sections
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Badges (c) Home (d) Edit photo
  12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) goes to the last screen
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Me (c) Lessons (d) Quiz
  14. 14.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  15. 15.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. tap the Home tab
    4. tap the Home tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  18. 18.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  21. 21.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) undoes one move
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Badges
  23. 23.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Badges (c) Home (d) Search
  25. 25.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Map
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Match report (c) Friend list (d) Home
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. open “Friend list”
    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 “Match report”
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Score card (d) Feed
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Search (d) Home
  31. 31.🧭 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 “Video”
    5. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Video
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Me
  33. 33.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Score card (d) Lessons
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Help page (d) Lessons
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Video
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Help page (d) Home
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Score card”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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