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App Dev Worksheet: Navigation

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

Answer key

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

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