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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 306 · 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) undoes one move (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Video (d) Quiz
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. tap Back
    4. tap the Me tab
    5. open “Badges”
    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. tap the Search tab
    2. open “Badges”
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Match report (d) Badges
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Badges”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Help page”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Feed (d) Badges
  9. 9.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Friend list
  11. 11.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  12. 12.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  13. 13.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) switches main sections
  14. 14.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) goes to the last screen (d) shows 3 to 5 icons
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now?     (a) Help page (b) Search (c) Home (d) Badges
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Video
  17. 17.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Friend list
  19. 19.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  20. 20.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) switches main sections
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Badges”
    4. open “Match report”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Edit photo
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Home (c) Badges (d) Profile
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Video (c) Chat (d) Feed
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Profile tab
    Which screen are you on now?     (a) Edit photo (b) Profile (c) Home (d) Search
  28. 28.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Match report
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Help page
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Help page
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Match report (d) Feed
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me
  35. 35.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  36. 36.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Profile tab
    4. open “Badges”
    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. open “Edit photo”
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Home (d) Edit photo
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Profile
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Video”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. sits at the bottom
  2. Video
  3. 1
  4. Friend list
  5. 2
  6. at the bottom
  7. 3
  8. Friend list
  9. goes to the last screen
  10. Badges
  11. hides extra links
  12. a tab bar
  13. switches main sections
  14. shows 3 to 5 icons
  15. Badges
  16. Edit photo
  17. undoes one move
  18. Friend list
  19. a menu button
  20. opens a list of pages
  21. 3
  22. 2
  23. Match report
  24. Profile
  25. 1
  26. Settings
  27. Profile
  28. 3 to 5
  29. Score card
  30. 1
  31. Help page
  32. Help page
  33. Settings
  34. Lessons
  35. the back button
  36. goes to the last screen
  37. 1
  38. Badges
  39. Search
  40. 2

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