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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 506 · 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 “Friend list”
    2. tap the Lessons tab
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Help page (d) Friend list
  2. 2.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) sits at the bottom
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) sits at the bottom (d) opens a list of pages
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Map
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Profile
  7. 7.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Friend list (c) Quiz (d) Lessons
  10. 10.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) hides extra links (d) goes to the last screen
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Lessons (d) Quiz
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    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?
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Score card (d) Profile
  15. 15.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Me tab
    4. open “Video”
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Match report (d) Video
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Help page
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Edit photo
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Video”
    4. open “Score card”
    5. tap the Chat tab
    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. open “Video”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Friend list”
    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 “Friend list”
    2. open “Score card”
    3. open “Video”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Search tab
    Which screen are you on now?     (a) Video (b) Home (c) Profile (d) Search
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Search (c) Map (d) Home
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Feed tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Match report (c) Video (d) Feed
  32. 32.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Map (c) Home (d) Score card
  37. 37.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) switches main sections
  38. 38.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  39. 39.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) undoes one move (d) sits at the bottom
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Match report

Answer key

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

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