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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 78 · 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 the back button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) shows 3 to 5 icons
  2. 2.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Match report”
    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) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Match report (b) Home (c) Edit photo (d) Help page
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Badges (d) Friend list
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Help page
  11. 11.🧭 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
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Profile
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  17. 17.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
  18. 18.🧭 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
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Badges”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Video (c) Settings (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Badges (d) Search
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Home (d) Map
  24. 24.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
  25. 25.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) undoes one move (d) hides extra links
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  28. 28.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) hides extra links
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. open “Edit photo”
    4. tap the Home tab
    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 “Help page”
    2. open “Map”
    3. tap Back
    4. open “Match report”
    5. tap the Search tab
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Help page
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Video”
    4. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Help page (c) Profile (d) Badges
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Search (b) Help page (c) Badges (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Video
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Help page”
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Help page
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Badges”
    4. open “Badges”
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Friend list
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Map (d) Quiz
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Help page

Answer key

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

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