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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 392 · 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 of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) hides extra links
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Home tab
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Friend list (c) Home (d) Badges
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Map”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to hide the menu (d) to use more battery
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Search tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Help page”
    4. tap the Lessons tab
    5. tap the Me tab
    Which screen are you on now?     (a) Map (b) Lessons (c) Me (d) Help page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Badges
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Settings
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  16. 16.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Video”
    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. tap the Feed tab
    2. tap the Feed tab
    3. open “Badges”
    4. tap the Settings tab
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Settings
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    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. tap the Profile tab
    2. open “Badges”
    3. open “Video”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Badges
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Quiz (d) Edit photo
  26. 26.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) undoes one move
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Match report”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Match report (d) Quiz
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    5. open “Map”
    Which screen are you on now?     (a) Home (b) Match report (c) Map (d) Search
  32. 32.🧭 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 “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Help page”
    4. open “Edit photo”
    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 “Badges”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) sits at the bottom (d) undoes one move
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Settings (b) Chat (c) Match report (d) Feed
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Map
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Lessons (d) Friend list

Answer key

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

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