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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 695 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Friend list”
    4. open “Map”
    5. tap the Home tab
    Which screen are you on now?
    (a) Map (b) Home (c) Score card (d) Friend list
  2. 2.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) undoes one move
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  4. 4.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) shows 3 to 5 icons
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?
    (a) Feed (b) Friend list (c) Chat (d) Settings
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    Which screen are you on now?
    (a) Profile (b) Search (c) Score card (d) Home
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?
    (a) Score card (b) Badges (c) Help page (d) Edit photo
  11. 11.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) switches main sections (d) hides extra links
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Settings tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?
    (a) Help page (b) Match report (c) Lessons (d) Video
  14. 14.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) so users do not get lost (d) to use more battery
  15. 15.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?
    (a) Profile (b) Map (c) Search (d) Home
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Chat tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  22. 22.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) opens a list of pages
  23. 23.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. tap the Quiz tab
    5. open “Match report”
    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. open “Score card”
    2. tap Back
    3. tap the Chat tab
    4. open “Badges”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?
    (a) Match report (b) Badges (c) Search (d) Home
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Help page”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?
    (a) Badges (b) Feed (c) Map (d) Edit photo
  32. 32.🧭 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”
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Match report”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    5. tap Back
    Which screen are you on now?
    (a) Chat (b) Settings (c) Feed (d) Score card
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?
    (a) Friend list (b) Lessons (c) Quiz (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?
    (a) Lessons (b) Video (c) Edit photo (d) Help page
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Match report”
    Which screen are you on now?
    (a) Friend list (b) Edit photo (c) Home (d) Match report
  38. 38.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) sits at the bottom
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?
    (a) Lessons (b) Quiz (c) Map (d) Video
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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