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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 776 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Feed (c) Video (d) Chat
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Map”
    4. tap the Home tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) shows 3 to 5 icons
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Edit photo
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap the Home tab
    4. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Video
  6. 6.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  7. 7.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
  8. 8.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. tap the Profile tab
    5. tap the Search tab
    Which screen are you on now?     (a) Map (b) Badges (c) Search (d) Home
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Badges”
    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. tap the Search tab
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  14. 14.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Badges
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. tap the Search tab
    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. open “Video”
    2. tap the Quiz tab
    3. open “Badges”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  20. 20.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Score card”
    4. open “Match report”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Score card (d) Search
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Score card
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Edit photo (d) Settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Match report
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) undoes one move
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Chat (c) Score card (d) Feed
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Match report (c) Home (d) Profile
  32. 32.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Feed tab
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Badges
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Home (c) Profile (d) Search
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  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 the Lessons tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Help page (c) Lessons (d) Quiz
  39. 39.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Video
  2. 0
  3. undoes one move
  4. Friend list
  5. Badges
  6. the back button
  7. switches main sections
  8. that tab’s main screen
  9. Search
  10. a tab bar
  11. 0
  12. 1
  13. Profile
  14. a tab bar
  15. 1
  16. Search
  17. 0
  18. 1
  19. at the bottom
  20. goes to the last screen
  21. 3 to 5
  22. 3
  23. the back button
  24. Home
  25. Home
  26. Settings
  27. Match report
  28. 0
  29. hides extra links
  30. Feed
  31. Profile
  32. sits at the bottom
  33. Badges
  34. 0
  35. Profile
  36. 1
  37. 0
  38. Quiz
  39. goes to the last screen
  40. 0

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