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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 95 · 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.

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

Answer key

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

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