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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 726 · 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 part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  2. 2.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  4. 4.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Me
  7. 7.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Video”
    4. tap the Settings tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Edit photo
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 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
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Lessons (d) Quiz
  17. 17.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) hides extra links
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Badges
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Profile
  23. 23.Which of these is true of the back button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  24. 24.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) undoes one move
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Match report (c) Friend list (d) Search
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Badges”
    4. tap the Feed tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Badges
  30. 30.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap Back
    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. open “Edit photo”
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Home (c) Score card (d) Search
  33. 33.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) shows 3 to 5 icons (d) hides extra links
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Map (c) Quiz (d) Lessons
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    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 Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Help page
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. open “Video”
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Video (d) Lessons

Answer key

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

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