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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 252 · 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 a tab bar? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Match report
  4. 4.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) sits at the bottom
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Map
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Me (d) Quiz
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Home (c) Help page (d) Match report
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Help page”
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Friend list (d) Help page
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    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 “Score card”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Score card (c) Profile (d) Home
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Me
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Profile tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Me
  20. 20.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Badges”
    4. open “Friend list”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Badges
  24. 24.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
  25. 25.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Score card”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Score card”
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Settings
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Help page (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Settings (d) Feed
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Map (c) Me (d) Quiz
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Match report”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Match report (d) Badges
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Map
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Quiz (d) Lessons
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 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”
    Which screen are you on now?     (a) Me (b) Quiz (c) Score card (d) Lessons
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. switches main sections
  2. 2
  3. Feed
  4. undoes one move
  5. 0
  6. the back button
  7. at the bottom
  8. Video
  9. Me
  10. 3 to 5
  11. Help page
  12. 0
  13. Map
  14. 1
  15. Home
  16. Lessons
  17. 0
  18. opens a list of pages
  19. Lessons
  20. shows 3 to 5 icons
  21. a menu button
  22. 3
  23. Lessons
  24. that tab’s main screen
  25. a tab bar
  26. 0
  27. hides extra links
  28. Settings
  29. Match report
  30. 1
  31. a menu button
  32. 0
  33. Chat
  34. Quiz
  35. Friend list
  36. Search
  37. Map
  38. 0
  39. Score card
  40. 1

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