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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 342 · 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. open “Help page”
    2. tap Back
    3. tap the Feed tab
    4. tap the Settings tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Help page
  3. 3.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) hides extra links
  4. 4.🧭 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
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Video”
    5. open “Map”
    Which screen are you on now?     (a) Video (b) Map (c) Match report (d) Lessons
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Map”
    4. tap the Profile tab
    5. open “Match report”
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Map
  8. 8.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. open “Score card”
    5. open “Match report”
    Which screen are you on now?     (a) Home (b) Score card (c) Match report (d) Edit photo
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Profile
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  13. 13.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Video
  17. 17.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Badges”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Me (d) Quiz
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Quiz (c) Edit photo (d) Lessons
  23. 23.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  24. 24.🧭 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
  25. 25.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  26. 26.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Score card
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Score card”
    4. open “Friend list”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Feed (d) Video
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Help page
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. open “Badges”
    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. tap the Feed tab
    2. open “Video”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    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. open “Score card”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Score card (d) Search
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Search
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Video (c) Chat (d) Feed
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Search (b) Help page (c) Friend list (d) Home
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    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. 0
  2. Badges
  3. hides extra links
  4. so users do not get lost
  5. 0
  6. Map
  7. Match report
  8. opens a list of pages
  9. Match report
  10. Profile
  11. 1
  12. goes to the last screen
  13. the back button
  14. 0
  15. a tab bar
  16. Video
  17. a tab bar
  18. 1
  19. 0
  20. 0
  21. Help page
  22. Lessons
  23. a menu button
  24. at the bottom
  25. a tab bar
  26. switches main sections
  27. Score card
  28. 3
  29. Video
  30. Feed
  31. 2
  32. 2
  33. 2
  34. Match report
  35. Feed
  36. Help page
  37. 1
  38. Match report
  39. Search
  40. 0

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