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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 746 · 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. tap the Feed tab
    2. tap the Settings tab
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Score card
  2. 2.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  3. 3.🧭 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 Home tab
    4. tap the Search tab
    5. open “Edit photo”
    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. open “Edit photo”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Edit photo
  5. 5.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  6. 6.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  7. 7.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Map”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Search
  11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  12. 12.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) sits at the bottom
  13. 13.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) sits at the bottom
  14. 14.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Help page”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Friend list (c) Map (d) Lessons
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Quiz (d) Lessons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Score card (d) Friend list
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Score card (c) Video (d) Edit photo
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Edit photo”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Score card”
    4. open “Friend list”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Score card
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Video
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Map”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Edit photo”
    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. tap the Search tab
    2. open “Help page”
    3. open “Score card”
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Help page (d) Score card
  27. 27.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Edit photo
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Me (d) Lessons
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) sits at the bottom
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Match report
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Video
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Chat tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Help page (d) Chat
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap the Feed 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 “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Video (d) Feed
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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