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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 319 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Help page (d) Score card
  2. 2.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) opens a list of pages
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Video (d) Lessons
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Score card
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Match report
  9. 9.🧭 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
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Friend list
  11. 11.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Edit photo (d) Home
  13. 13.🧭 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 “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) hides extra links
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  16. 16.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Me (d) Lessons
  18. 18.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Profile
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Search (c) Help page (d) Home
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Match report”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Help page (d) Match report
  25. 25.🧭 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
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Video
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Search tab
    4. open “Friend list”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Edit photo
  30. 30.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Profile
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Video”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Friend list
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Video
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Edit photo”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Video
  2. opens a list of pages
  3. Lessons
  4. 0
  5. 2
  6. Score card
  7. a tab bar
  8. Friend list
  9. so users do not get lost
  10. Edit photo
  11. a tab bar
  12. Friend list
  13. 1
  14. sits at the bottom
  15. 3 to 5
  16. a menu button
  17. Me
  18. a tab bar
  19. Search
  20. Score card
  21. 0
  22. 0
  23. 3
  24. Video
  25. at the bottom
  26. that tab’s main screen
  27. Feed
  28. 2
  29. Edit photo
  30. undoes one move
  31. Profile
  32. 1
  33. a menu button
  34. 2
  35. 3
  36. Friend list
  37. Profile
  38. Video
  39. 0
  40. 4

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