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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 685 · 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) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Help page”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Feed (b) Help page (c) Map (d) Badges
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. open “Friend list”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Friend list (d) Score card
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Home tab
    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 menu button (b) the back button (c) a tab bar
  8. 8.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap Back
    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 “Help page”
    2. tap the Profile tab
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Help page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Edit photo (d) Quiz
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Map”
    4. open “Match report”
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Match report (c) Map (d) Home
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Match report (d) Badges
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Quiz
  21. 21.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  22. 22.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    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. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Edit photo
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Edit photo
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Me
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Friend list (d) Badges
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Home (c) Map (d) Score card
  30. 30.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Badges (d) Video
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Score card”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Chat (d) Feed
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  38. 38.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) switches main sections
  39. 39.🧭 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”
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home

Answer key

  1. hides extra links
  2. 0
  3. a tab bar
  4. Map
  5. Settings
  6. 0
  7. the back button
  8. a tab bar
  9. a tab bar
  10. 1
  11. Friend list
  12. 0
  13. goes to the last screen
  14. 1
  15. opens a list of pages
  16. Quiz
  17. Home
  18. Badges
  19. 3 to 5
  20. Edit photo
  21. a menu button
  22. the back button
  23. 1
  24. Edit photo
  25. Score card
  26. Lessons
  27. 0
  28. Home
  29. Score card
  30. a menu button
  31. Help page
  32. 0
  33. at the bottom
  34. 1
  35. Score card
  36. 0
  37. undoes one move
  38. switches main sections
  39. 0
  40. Profile

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