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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 504 · 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.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  2. 2.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  4. 4.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  5. 5.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  6. 6.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) sits at the bottom
  7. 7.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Map (d) Lessons
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Chat tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Chat (c) Help page (d) Feed
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    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?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. open “Edit photo”
    4. tap the Feed tab
    5. open “Map”
    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. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Map”
    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. tap the Me tab
    2. tap the Lessons tab
    3. open “Video”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) sits at the bottom
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Lessons (d) Edit photo
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Feed tab
    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. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Profile tab
    4. tap the Search tab
    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. open “Friend list”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Badges”
    5. 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. tap the Me tab
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Video
  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 Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    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.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  27. 27.🧭 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 Profile tab
    4. open “Edit photo”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Score card”
    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 “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Help page (c) Lessons (d) Quiz
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Match report”
    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 Feed tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Friend list
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Map
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Home tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Home (c) Edit photo (d) Match report
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    4. tap the Feed tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Me

Answer key

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

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