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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 862 · 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 “Badges”
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  3. 3.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) sits at the bottom (d) goes to the last screen
  4. 4.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Map”
    4. tap Back
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) sits at the bottom
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Edit photo (d) Help page
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Video”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Settings (d) Edit photo
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    4. tap the Chat tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Map (b) Chat (c) Edit photo (d) Feed
  14. 14.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  15. 15.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. open “Map”
    4. open “Score card”
    5. open “Help page”
    Which screen are you on now?     (a) Map (b) Badges (c) Help page (d) Score card
  17. 17.🧭 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. open “Match report”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Home (d) Search
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Chat tab
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Score card (d) Edit photo
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Search (d) Home
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) switches main sections (d) sits at the bottom
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Match report (c) Edit photo (d) Lessons
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Friend list
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Map”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Lessons (b) Map (c) Video (d) Quiz
  29. 29.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Match report”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Score card (c) Friend list (d) Match report
  31. 31.🧭 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
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  34. 34.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) switches main sections
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Match report
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Help page”
    4. open “Help page”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Chat (d) Help page
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Score card
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Match report
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Video”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Video (c) Settings (d) Chat
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Me (c) Lessons (d) Quiz

Answer key

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

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