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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 794 · 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 the back button? (a) sits at the bottom (b) undoes one move (c) switches main sections (d) hides extra links
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Feed (d) Help page
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Badges”
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Video (c) Me (d) Quiz
  9. 9.🧭 Which part of navigation opens a list of pages? (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. tap the Me tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Quiz tab
    5. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Edit photo
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Help page (d) Match report
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  13. 13.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the phone settings (d) the last app used
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Edit photo
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Help page”
    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 “Edit photo”
    2. open “Friend list”
    3. open “Score card”
    4. tap the Chat tab
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Score card (d) Feed
  19. 19.🧭 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
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Settings tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Help page (d) Edit photo
  21. 21.🧭 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) Edit photo (d) Search
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Settings (c) Feed (d) Chat
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Settings (c) Edit photo (d) Chat
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Profile (d) Home
  28. 28.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  29. 29.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) undoes one move
  30. 30.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
  31. 31.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  32. 32.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Score card (d) Chat
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) switches main sections
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. open “Video”
    5. tap the Settings tab
    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 “Match report”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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