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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 217 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Video”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  3. 3.Which of these is true of a tab bar? (a) switches main sections (b) undoes one move (c) hides extra links (d) opens a list of pages
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  6. 6.🧭 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
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Video
  8. 8.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Badges
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Edit photo (d) Lessons
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Map”
    4. open “Video”
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Video (c) Edit photo (d) Map
  15. 15.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  16. 16.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) shows 3 to 5 icons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Home tab
    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 “Match report”
    2. tap the Settings tab
    3. open “Score card”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Score card
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Chat (c) Friend list (d) Feed
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Video”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. open “Map”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Badges (d) Lessons
  25. 25.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Help page (c) Lessons (d) Me
  27. 27.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. open “Score card”
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Lessons (c) Friend list (d) Score card
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Home 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 “Map”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Score card”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Map
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Search (c) Friend list (d) Home
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Home tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Home (c) Help page (d) Edit photo
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Profile (c) Score card (d) Search
  39. 39.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  40. 40.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20

Answer key

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

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