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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 191 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. open “Video”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Score card (d) Video
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    4. tap the Home tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Profile (c) Search (d) Home
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Score card (c) Edit photo (d) Friend list
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Video
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    4. open “Score card”
    5. tap the Chat tab
    Which screen are you on now?     (a) Help page (b) Score card (c) Feed (d) Chat
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Edit photo
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Badges
  11. 11.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  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 “Match report”
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Match report
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now?     (a) Map (b) Me (c) Match report (d) Lessons
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Friend list (c) Quiz (d) Lessons
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Help page (c) Lessons (d) Map
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Video
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Search
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) hides extra links
  20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Search (b) Home (c) Help page (d) Map
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Match report”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Me tab
    Which screen are you on now?     (a) Map (b) Me (c) Quiz (d) Lessons
  24. 24.🧭 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
  25. 25.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Score card”
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Map
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Quiz (c) Me (d) Lessons
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Friend list”
    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?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Badges
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Profile tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Match report”
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Edit photo
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Home (c) Friend list (d) Video
  35. 35.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Map”
    5. tap the Profile tab
    Which screen are you on now?     (a) Match report (b) Profile (c) Edit photo (d) Map
  37. 37.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Feed (d) Chat
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Score card (c) Settings (d) Feed

Answer key

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

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