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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 355 · 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.🧭 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
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Score card”
    Which screen are you on now?     (a) Profile (b) Search (c) Score card (d) Home
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Badges (d) Match report
  6. 6.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Friend list
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap the Home tab
    4. open “Edit photo”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Friend list
  12. 12.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Edit photo
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) opens a list of pages (d) undoes one move
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Match report (c) Friend list (d) Search
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Map”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  21. 21.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) undoes one move
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Chat (b) Settings (c) Edit photo (d) Feed
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Map”
    4. tap the Settings tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Edit photo
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Video”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Video (c) Friend list (d) Search
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Lessons (c) Badges (d) Quiz
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Edit photo
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Help page
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. open “Edit photo”
    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 “Badges”
    2. tap the Chat tab
    3. open “Map”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Map (b) Feed (c) Badges (d) Score card
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Help page (d) Lessons
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Home tab
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Home (d) Search
  36. 36.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Help page
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Match report
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Friend list

Answer key

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

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