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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 660 · 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) to use more battery (c) to look busy (d) so users do not get lost
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Friend list”
    4. open “Edit photo”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Badges”
    4. tap Back
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Match report (d) Lessons
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    4. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Badges (d) Lessons
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. tap the Home tab
    4. open “Score card”
    5. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Home (d) Profile
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 10 to 12 (d) 3 to 5
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Map (d) Help page
  10. 10.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. open “Edit photo”
    5. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Score card (d) Feed
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. tap the Home tab
    4. open “Friend list”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Friend list
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Badges
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. tap the Profile tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Match report (c) Lessons (d) Score card
  18. 18.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Friend list (d) Score card
  20. 20.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) undoes one move
  21. 21.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Edit photo (d) Home
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  24. 24.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  25. 25.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons
  28. 28.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  29. 29.🧭 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?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Video (d) Friend list
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Feed (c) Friend list (d) Chat
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Map
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Match report
  36. 36.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) goes to the last screen
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Score card”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Edit photo (d) Score card
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Badges”
    4. open “Badges”
    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. tap the Feed tab
    4. open “Help page”
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Help page (c) Feed (d) Video
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Help page

Answer key

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

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