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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 761 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Match report”
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Help page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Map”
    4. tap the Profile tab
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Search (c) Video (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Map”
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Map (c) Help page (d) Feed
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Video”
    4. tap the Settings tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  7. 7.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  8. 8.🧭 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 Back
    5. open “Match report”
    Which screen are you on now?     (a) Help page (b) Score card (c) Match report (d) Home
  9. 9.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Edit photo”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Friend list (c) Home (d) Edit photo
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Help page”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Edit photo”
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Score card
  13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Settings
  15. 15.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) hides extra links
  16. 16.🧭 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 “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  18. 18.🧭 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”
    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. open “Edit photo”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Edit photo (c) Quiz (d) Lessons
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Profile tab
    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 “Friend list”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Badges
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Feed tab
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Map (d) Chat
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) undoes one move
  27. 27.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Badges (c) Home (d) Search
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
  31. 31.🧭 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. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Badges”
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Badges
  33. 33.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  34. 34.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Match report”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Chat (d) Feed
  39. 39.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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