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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 147 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Score card”
    4. open “Friend list”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) switches main sections
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  6. 6.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Badges
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Settings
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Lessons (d) Video
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Badges (c) Settings (d) Map
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Feed tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 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
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Badges (d) Lessons
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Help page (b) Home (c) Video (d) Score card
  17. 17.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Feed tab
    Which screen are you on now?     (a) Friend list (b) Match report (c) Feed (d) Chat
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Score card”
    4. tap the Quiz tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Score card (c) Friend list (d) Lessons
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Score card”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Profile
  26. 26.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Badges
  28. 28.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Score card (d) Home
  30. 30.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Me (d) Quiz
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Match report”
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Home (c) Help page (d) Search
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Badges (b) Video (c) Lessons (d) Quiz
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Friend list (d) Search
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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