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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 648 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Video”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Feed tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Score card
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Feed tab
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Video (c) Friend list (d) Feed
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. tap the Profile tab
    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. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Help page (d) Lessons
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Help page (d) Score card
  10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
  11. 11.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Match report
  13. 13.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  14. 14.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) hides extra links
  15. 15.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  18. 18.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) opens a list of pages
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Badges (b) Score card (c) Lessons (d) Help page
  20. 20.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. open “Video”
    Which screen are you on now?     (a) Search (b) Video (c) Score card (d) Home
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Search (c) Match report (d) Home
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Score card
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Map”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Me
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    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?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Chat (d) Feed
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Edit photo (d) Video
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Video (b) Feed (c) Chat (d) Help page
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Profile tab
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Home (c) Edit photo (d) Match report
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Friend list (c) Badges (d) Feed
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Score card”
    4. open “Match report”
    5. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Match report (c) Search (d) Help page
  38. 38.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Video (c) Quiz (d) Lessons
  40. 40.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar

Answer key

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

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