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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 339 · 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) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  2. 2.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Match report”
    4. tap the Profile tab
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Help page (c) Home (d) Badges
  4. 4.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) switches main sections
  5. 5.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Lessons (d) Quiz
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Help page
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Home (d) Profile
  13. 13.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  14. 14.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) switches main sections (d) sits at the bottom
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap the Search tab
    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 Chat tab
    2. open “Video”
    3. open “Video”
    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. tap the Lessons tab
    2. open “Help page”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation sits at the bottom? (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 “Badges”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Friend list
  20. 20.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Map”
    4. open “Score card”
    Which screen are you on now?     (a) Feed (b) Score card (c) Badges (d) Map
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Profile
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Badges
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Chat tab
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Map (c) Feed (d) Chat
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Score card (c) Lessons (d) Me
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Video
  31. 31.🧭 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
  32. 32.🧭 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
    5. tap the Lessons tab
    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. open “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Friend list”
    5. open “Score card”
    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. tap the Search tab
    2. open “Map”
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Match report
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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