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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 71 · 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 a menu button? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) switches main sections
  2. 2.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Quiz (c) Lessons (d) Me
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Map (c) Match report (d) Home
  5. 5.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  6. 6.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Badges
  10. 10.🧭 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 Home tab
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  11. 11.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  12. 12.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Help page (c) Score card (d) Search
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Badges”
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Badges (c) Score card (d) Lessons
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Chat (c) Settings (d) Feed
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Score card
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Edit photo”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Profile
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Badges
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. open “Edit photo”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Help page (d) Badges
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Search tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Friend list (d) Match report
  29. 29.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) sits at the bottom
  30. 30.🧭 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
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Me
  31. 31.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) shows 3 to 5 icons
  33. 33.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Feed (d) Video
  35. 35.🧭 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 “Match report”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Feed (d) Help page
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Badges”
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Badges
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    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 “Map”
    2. tap Back
    3. open “Help page”
    4. open “Friend list”
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Map (c) Profile (d) Friend list
  40. 40.🧭 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?

Answer key

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

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