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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 202 · 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. tap the Home tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  3. 3.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  5. 5.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Help page (d) Edit photo
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Match report
  10. 10.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Help page (c) Home (d) Search
  13. 13.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  14. 14.🧭 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) Edit photo (c) Feed (d) Chat
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Badges”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Video (d) Quiz
  16. 16.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  17. 17.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Me
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Profile tab
    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 “Map”
    2. tap the Lessons tab
    3. open “Map”
    4. tap the Me tab
    5. open “Friend list”
    Which screen are you on now?     (a) Map (b) Friend list (c) Quiz (d) Lessons
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Edit photo”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) hides extra links
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Map
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Edit photo
  29. 29.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Video”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Badges (c) Search (d) Home
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Friend list
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Friend list
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Match report (d) Chat
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    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 “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Match report
  39. 39.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) undoes one move
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Video

Answer key

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

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