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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 255 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Friend list
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Profile (c) Friend list (d) Search
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Chat (c) Edit photo (d) Badges
  4. 4.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
  6. 6.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Friend list
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  10. 10.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    4. open “Match report”
    Which screen are you on now?     (a) Me (b) Lessons (c) Match report (d) Quiz
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Profile (b) Match report (c) Search (d) Home
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Badges”
    4. open “Score card”
    5. open “Score card”
    Which screen are you on now?     (a) Search (b) Badges (c) Score card (d) Home
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. open “Help page”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Video (b) Help page (c) Quiz (d) Score card
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Video (d) Lessons
  24. 24.🧭 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. open “Match report”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Friend list
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Match report”
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Edit photo (d) Home
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Friend list”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  28. 28.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) hides extra links
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Home (d) Search
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap the Settings tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Video (d) Map
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Badges (d) Friend list
  33. 33.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Help page
  35. 35.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Score card (d) Chat
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Badges”
    5. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Badges (d) Lessons
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    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. tap the Profile tab
    2. tap the Search tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Badges

Answer key

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

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