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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 238 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  3. 3.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Help page”
    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. open “Edit photo”
    2. tap Back
    3. open “Map”
    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. open “Video”
    2. tap the Me tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    5. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Help page (c) Settings (d) Friend list
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Match report
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Badges (c) Friend list (d) Search
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Friend list
  14. 14.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Home (c) Search (d) Map
  16. 16.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Help page”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Score card”
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Score card (c) Feed (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Score card
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Badges (d) Lessons
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Match report”
    4. tap the Search tab
    5. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Match report (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Feed (c) Match report (d) Help page
  25. 25.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Settings tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Score card (d) Chat
  27. 27.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Video (b) Home (c) Profile (d) Search
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    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 “Video”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Video
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Help page (d) Map
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Help page”
    4. tap Back
    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. open “Help page”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Home (c) Profile (d) Search
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Badges”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Badges
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Score card
  36. 36.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap the Settings tab
    4. open “Video”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  39. 39.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  40. 40.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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