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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 260 · 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.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  3. 3.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Home (d) Score card
  5. 5.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Home (d) Match report
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Search tab
    4. open “Video”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Map (c) Search (d) Home
  11. 11.🧭 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
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Friend list
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Friend list”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  18. 18.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Video (c) Search (d) Home
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Map”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Map (b) Home (c) Video (d) Help page
  21. 21.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Help page”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Badges (c) Search (d) Home
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. open “Help page”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) hides extra links
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Map”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Settings
  35. 35.Which of these is true of the back button? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) switches main sections
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Badges
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Video”
    Which screen are you on now?     (a) Badges (b) Feed (c) Video (d) Match report
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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