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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 791 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Badges (d) Friend list
  2. 2.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  3. 3.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Badges
  6. 6.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  7. 7.🧭 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 Settings tab
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Edit photo
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 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. open “Help page”
    5. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Help page (d) Friend list
  10. 10.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Home (d) Search
  12. 12.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Friend list
  14. 14.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Friend list”
    4. open “Video”
    5. tap Back
    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 “Video”
    2. open “Video”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Video
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Map
  20. 20.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Badges”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) sits at the bottom
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Score card
  26. 26.🧭 Which part of navigation opens a list of pages? (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. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    4. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Help page
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Video”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Chat tab
    4. open “Edit photo”
    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 “Match report”
    2. tap Back
    3. open “Help page”
    4. open “Map”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Help page (d) Map
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    5. open “Map”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Map (d) Edit photo
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Score card (d) Feed
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Friend list”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Score card
  35. 35.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) hides extra links
  36. 36.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Friend list”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Badges
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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