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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 373 · 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. tap the Quiz tab
    3. open “Badges”
    4. tap Back
    5. tap the Quiz tab
    Which screen are you on now?     (a) Badges (b) Me (c) Lessons (d) Quiz
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Me
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.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
  6. 6.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. open “Friend list”
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Video (d) Edit photo
  10. 10.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Friend list
  12. 12.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Edit photo
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Profile
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Help page
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Feed tab
    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 “Video”
    2. open “Edit photo”
    3. tap the Search tab
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Video (d) Edit photo
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Map
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Video
  24. 24.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Friend list
  27. 27.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. open “Help page”
    4. tap the Feed tab
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Map (c) Video (d) Help page
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Map
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  31. 31.🧭 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 “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Help page (d) Quiz
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Friend list
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap the Lessons tab
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Match report (d) Lessons
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Video”
    4. tap the Lessons tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  38. 38.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Video
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Friend list

Answer key

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

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