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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 554 · 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 “Map”
    2. open “Score card”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Badges
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) goes to the last screen
  7. 7.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Match report
  9. 9.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) switches main sections
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Video (c) Map (d) Edit photo
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Friend list (d) Search
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  13. 13.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Search (c) Badges (d) Home
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Chat tab
    4. open “Score card”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  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 Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Friend list (c) Score card (d) Match report
  18. 18.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) hides extra links
  19. 19.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) shows 3 to 5 icons
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Map (d) Lessons
  22. 22.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  23. 23.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Help page (c) Map (d) Home
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Match report
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Score card (c) Lessons (d) Video
  27. 27.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    4. open “Help page”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Me (c) Quiz (d) Lessons
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Help page”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Match report (d) Edit photo
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Help page (b) Settings (c) Feed (d) Chat
  35. 35.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Search (d) Home
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Help page (d) Feed
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Score card”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Score card (d) Quiz

Answer key

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

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