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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 83 · 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. tap Back
    3. open “Help page”
    4. tap the Lessons tab
    5. open “Friend list”
    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 “Map”
    2. tap the Chat tab
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Map
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Me (c) Edit photo (d) Lessons
  4. 4.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) undoes one move
  5. 5.🧭 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
  6. 6.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. tap the Settings tab
    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. tap the Me tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Badges (c) Lessons (d) Friend list
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Score card (d) Edit photo
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Me (b) Lessons (c) Match report (d) Quiz
  14. 14.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
  15. 15.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  16. 16.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons (d) Edit photo
  18. 18.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    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. tap the Feed tab
    2. open “Score card”
    3. tap the Settings tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Settings (c) Score card (d) Feed
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) that tab’s main screen (d) a random page
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Score card”
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Video
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Score card”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Edit photo
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Help page (b) Video (c) Friend list (d) Home
  26. 26.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) switches main sections (d) goes to the last screen
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. open “Video”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Friend list”
    3. tap Back
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Friend list (c) Home (d) Badges
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Map (c) Edit photo (d) Feed
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. tap the Me tab
    4. open “Friend list”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    4. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Badges
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Video
  35. 35.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. open “Map”
    4. open “Score card”
    5. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Me (c) Friend list (d) Map
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Profile tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Home tab
    4. open “Friend list”
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Search

Answer key

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

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