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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 449 · 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.

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

Answer key

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

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