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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 817 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Help page
  2. 2.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. tap the Quiz tab
    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. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Video”
    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 “Map”
    2. tap Back
    3. open “Help page”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Me
  12. 12.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    4. tap the Search tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.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
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Edit photo
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Friend list”
    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 “Match report”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Match report
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Badges
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Video”
    4. tap the Search tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Edit photo”
    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 “Friend list”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Friend list
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  25. 25.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Video”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 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
    Which screen are you on now?     (a) Friend list (b) Feed (c) Settings (d) Chat
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Quiz (c) Edit photo (d) Lessons
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Quiz 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 “Match report”
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  32. 32.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  33. 33.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) undoes one move
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Badges (c) Friend list (d) Home
  35. 35.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) hides extra links (d) undoes one move
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Search (d) Home
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Home (d) Search
  38. 38.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    5. tap the Home 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 Me tab
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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