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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 665 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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
  3. 3.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?
    (a) Map (b) Video (c) Quiz (d) Lessons
  5. 5.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?
    (a) Match report (b) Settings (c) Chat (d) Feed
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap the Me tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Me tab
    Which screen are you on now?
    (a) Lessons (b) Score card (c) Me (d) Badges
  10. 10.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  11. 11.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Lessons tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now?
    (a) Profile (b) Map (c) Home (d) Search
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?
    (a) Home (b) Friend list (c) Search (d) Edit photo
  16. 16.🧭 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”
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Score card (d) Friend list
  17. 17.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) switches main sections
  18. 18.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  19. 19.🧭 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 “Help page”
    Which screen are you on now?
    (a) Feed (b) Help page (c) Chat (d) Match report
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?
    (a) Match report (b) Edit photo (c) Video (d) Home
  21. 21.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  22. 22.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) goes to the last screen
  23. 23.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?
    (a) Edit photo (b) Quiz (c) Me (d) Lessons
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. open “Video”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?
    (a) Chat (b) Help page (c) Feed (d) Score card
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?
    (a) Home (b) Search (c) Score card (d) Match report
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Badges”
    4. open “Map”
    Which screen are you on now?
    (a) Map (b) Match report (c) Badges (d) Feed
  30. 30.🧭 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. open “Edit photo”
    5. open “Help page”
    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 “Map”
    2. open “Map”
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Badges”
    Which screen are you on now?
    (a) Feed (b) Chat (c) Badges (d) Map
  32. 32.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?
    (a) Friend list (b) Edit photo (c) Lessons (d) Video
  34. 34.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    4. open “Video”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Video (d) Quiz
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?
    (a) Quiz (b) Edit photo (c) Friend list (d) Lessons
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Video”
    Which screen are you on now?
    (a) Edit photo (b) Lessons (c) Video (d) Quiz
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Match report”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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