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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 639 · 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.

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

Answer key

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

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