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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 694 · 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 “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Match report
  2. 2.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) sits at the bottom
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Map (d) Video
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Score card (b) Match report (c) Lessons (d) Map
  7. 7.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  8. 8.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
  11. 11.🧭 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
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Help page”
    4. tap the Settings tab
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Map (c) Edit photo (d) Feed
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Search (d) Score card
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Video”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Video
  18. 18.🧭 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 Lessons tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap the Settings tab
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Video (c) Friend list (d) Map
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) shows 3 to 5 icons (d) goes to the last screen
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Video”
    4. open “Match report”
    5. tap the Home tab
    Which screen are you on now?     (a) Map (b) Match report (c) Video (d) Home
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. open “Score card”
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Score card (c) Edit photo (d) Lessons
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Map”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Map
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Friend list”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Settings tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Match report”
    4. tap the Home tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Friend list (c) Video (d) Feed
  33. 33.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    4. tap the Quiz tab
    5. open “Map”
    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. open “Help page”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Help page (d) Feed
  39. 39.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  40. 40.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar

Answer key

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

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