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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 345 · 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.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  2. 2.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  3. 3.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  5. 5.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) switches main sections
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. open “Match report”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Map (d) Search
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Help page”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of the back button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Match report
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Help page”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Help page (b) Video (c) Lessons (d) Quiz
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Video (d) Match report
  17. 17.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    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. tap the Me tab
    2. tap the Quiz tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) hides extra links
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Map (b) Match report (c) Lessons (d) Score card
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Edit photo
  26. 26.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Help page (c) Feed (d) Chat
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Video”
    4. open “Score card”
    5. open “Video”
    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. tap Back
    3. open “Badges”
    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. tap the Me tab
    2. open “Map”
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Map (c) Match report (d) Quiz
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Friend list
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Badges”
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Badges
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Video (c) Home (d) Search
  36. 36.🧭 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
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Help page (d) Edit photo
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Map”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Profile
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Edit photo
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    Which screen are you on now?     (a) Map (b) Home (c) Profile (d) Search

Answer key

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

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