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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 810 · 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.

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

Answer key

  1. sits at the bottom
  2. undoes one move
  3. Friend list
  4. 1
  5. a tab bar
  6. Help page
  7. 0
  8. goes to the last screen
  9. 1
  10. a menu button
  11. Badges
  12. 0
  13. opens a list of pages
  14. the back button
  15. a tab bar
  16. Video
  17. 1
  18. Match report
  19. Match report
  20. Video
  21. 0
  22. Badges
  23. Match report
  24. 1
  25. Edit photo
  26. goes to the last screen
  27. a menu button
  28. Video
  29. a tab bar
  30. Edit photo
  31. Edit photo
  32. Feed
  33. at the bottom
  34. 1
  35. shows 3 to 5 icons
  36. switches main sections
  37. that tab’s main screen
  38. Match report
  39. Edit photo
  40. 1

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