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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 141 · 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.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  2. 2.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) hides extra links
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Score card
  4. 4.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Settings tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Home tab
    4. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Home (d) Map
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Score card”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Help page
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Score card
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Score card (d) Lessons
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. open “Match report”
    Which screen are you on now?     (a) Video (b) Search (c) Match report (d) Home
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Badges”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Lessons (d) Quiz
  17. 17.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Map”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Me tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Lessons (d) Help page
  20. 20.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 1 (d) 10 to 12
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Badges (c) Match report (d) Chat
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Video”
    4. tap the Lessons tab
    5. 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 Feed tab
    2. open “Friend list”
    3. tap the Chat tab
    4. tap the Chat tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Friend list
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Friend list (d) Help page
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Match report (d) Profile
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Score card
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Video
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Profile tab
    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 “Edit photo”
    2. tap the Lessons tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Edit photo”
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Badges
  33. 33.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Profile tab
    4. open “Map”
    Which screen are you on now?     (a) Help page (b) Home (c) Friend list (d) Map
  35. 35.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Map (d) Quiz
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Score card (c) Lessons (d) Quiz
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Match report (d) Badges

Answer key

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

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