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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 178 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Match report”
    4. open “Video”
    Which screen are you on now?     (a) Friend list (b) Video (c) Feed (d) Match report
  4. 4.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Badges
  6. 6.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Friend list
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Score card
  11. 11.🧭 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 Search tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Badges
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Help page
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Chat (c) Settings (d) Feed
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Match report (b) Profile (c) Home (d) Search
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Me (c) Map (d) Lessons
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Badges”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Map
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Me tab
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Edit photo (d) Badges
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Match report
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    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?
  29. 29.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Badges”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Quiz (c) Badges (d) Lessons
  31. 31.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Match report
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Edit photo (d) Lessons
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Help page (c) Me (d) Lessons
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Help page (d) Lessons
  37. 37.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) switches main sections
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Score card”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Me tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Match report

Answer key

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

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