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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 284 · 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 tab bar? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) undoes one move
  2. 2.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Settings (d) Feed
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Friend list
  5. 5.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
  6. 6.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now?     (a) Map (b) Profile (c) Search (d) Home
  8. 8.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) opens a list of pages (d) undoes one move
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  10. 10.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Home tab
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Home (d) Friend list
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Edit photo
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Badges”
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Feed (d) Badges
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Help page
  18. 18.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) undoes one move
  19. 19.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Video (c) Map (d) Settings
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Me tab
    4. open “Match report”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Map (c) Lessons (d) Score card
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. open “Score card”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Score card (c) Lessons (d) Quiz
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. tap the Settings tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Video (c) Settings (d) Help page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Profile
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Match report
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Friend list”
    5. open “Score card”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Score card
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Profile
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now?     (a) Settings (b) Help page (c) Feed (d) Chat
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Home (c) Match report (d) Search
  35. 35.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  36. 36.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) sits at the bottom (d) goes to the last screen
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Match report (b) Help page (c) Badges (d) Feed
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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