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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 686 · 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 menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) undoes one move
  2. 2.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Lessons tab
    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 Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  6. 6.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Video (d) Lessons
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Quiz (c) Lessons (d) Badges
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Match report (b) Feed (c) Video (d) Chat
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap the Me tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Friend list
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Feed (d) Map
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) undoes one move
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Video”
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Video
  18. 18.🧭 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
  19. 19.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) switches main sections (d) hides extra links
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Map (c) Badges (d) Home
  21. 21.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) undoes one move
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Friend list (c) Score card (d) Chat
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Badges (c) Settings (d) Feed
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Badges
  26. 26.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Me tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Settings tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Score card (d) Lessons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Settings (c) Match report (d) Feed
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Score card
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Edit photo (c) Video (d) Search
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Map (d) Quiz
  35. 35.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Score card
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Match report”
    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 “Score card”
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Map
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Video (d) Friend list
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Quiz (c) Me (d) Lessons

Answer key

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

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