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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 489 · 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.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  3. 3.🧭 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. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Badges (c) Profile (d) Home
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) undoes one move (d) sits at the bottom
  6. 6.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) undoes one move (d) hides extra links
  7. 7.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  8. 8.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Profile
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Me (d) Lessons
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Search tab
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Video”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a menu button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  15. 15.🧭 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
  16. 16.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Chat tab
    4. open “Badges”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Match report
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Video
  21. 21.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Score card (c) Home (d) Profile
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Video (d) Quiz
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap the Profile tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Score card”
    5. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Score card
  26. 26.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Quiz (d) Lessons
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Chat (c) Feed (d) Edit photo
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Help page”
    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 “Map”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Friend list”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Friend list (c) Map (d) Home
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Video (c) Score card (d) Match report
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Quiz tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Profile
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Badges
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Score card”
    4. open “Friend list”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Feed (c) Chat (d) Settings
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap the Search tab
    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?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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