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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 849 · 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 “Video”
    2. tap the Search tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Friend list (b) Help page (c) Lessons (d) Quiz
  3. 3.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  7. 7.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  8. 8.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) goes to the last screen
  9. 9.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) switches main sections
  10. 10.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) switches main sections (d) sits at the bottom
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Me (c) Quiz (d) Lessons
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Me (d) Quiz
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings 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?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Help page”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Chat tab
    4. open “Badges”
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Badges (c) Friend list (d) Feed
  17. 17.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Video”
    Which screen are you on now?     (a) Lessons (b) Video (c) Friend list (d) Quiz
  19. 19.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Search tab
    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 “Match report”
    2. tap Back
    3. open “Video”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Settings tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Map
  26. 26.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  27. 27.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Help page (d) Score card
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Match report (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Map
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Settings tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) goes to the last screen
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Score card (d) Edit photo
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Video (d) Lessons
  35. 35.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Help page (d) Home
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Map
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Video (c) Edit photo (d) Lessons

Answer key

  1. 0
  2. Quiz
  3. 3 to 5
  4. 1
  5. so users do not get lost
  6. at the bottom
  7. opens a list of pages
  8. goes to the last screen
  9. hides extra links
  10. undoes one move
  11. Lessons
  12. Match report
  13. 0
  14. 2
  15. 0
  16. Help page
  17. a menu button
  18. Video
  19. a tab bar
  20. 1
  21. 1
  22. 0
  23. 1
  24. 0
  25. Friend list
  26. goes to the last screen
  27. the back button
  28. Feed
  29. Match report
  30. Video
  31. 1
  32. sits at the bottom
  33. Help page
  34. Friend list
  35. that tab’s main screen
  36. Search
  37. Map
  38. 1
  39. the back button
  40. Edit photo

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