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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 745 · 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.

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

Answer key

  1. 2
  2. Badges
  3. Edit photo
  4. 2
  5. Help page
  6. a tab bar
  7. 3
  8. so users do not get lost
  9. Friend list
  10. Match report
  11. at the bottom
  12. the back button
  13. 0
  14. Help page
  15. 2
  16. switches main sections
  17. Chat
  18. Badges
  19. Feed
  20. 0
  21. Lessons
  22. Badges
  23. a tab bar
  24. 1
  25. Home
  26. Edit photo
  27. 1
  28. shows 3 to 5 icons
  29. 1
  30. Badges
  31. 1
  32. Lessons
  33. 0
  34. sits at the bottom
  35. a tab bar
  36. Match report
  37. 3
  38. 1
  39. Chat
  40. undoes one move

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