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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 803 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Match report”
    4. tap the Lessons tab
    5. tap the Me tab
    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 “Score card”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. open “Match report”
    4. open “Friend list”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Badges (c) Lessons (d) Friend list
  4. 4.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) hides extra links
  5. 5.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    Which screen are you on now?     (a) Chat (b) Match report (c) Map (d) Feed
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me 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. open “Help page”
    2. open “Video”
    3. tap the Home tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Video
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  12. 12.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to use more battery (d) to look busy
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Settings tab
    4. tap the Settings tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Map (b) Settings (c) Chat (d) Feed
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Home (c) Edit photo (d) Map
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Video”
    3. tap the Me tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Map (c) Feed (d) Chat
  19. 19.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) switches main sections (d) shows 3 to 5 icons
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. open “Badges”
    4. open “Badges”
    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 “Video”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Score card”
    4. open “Score card”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  25. 25.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  26. 26.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Video”
    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 Quiz tab
    2. open “Edit photo”
    3. open “Video”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Video (c) Edit photo (d) Lessons
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Friend list”
    5. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Badges (c) Edit photo (d) Settings
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Feed (c) Score card (d) Chat
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Help page
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Chat 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) hides extra links (b) goes to the last screen (c) switches main sections (d) opens a list of pages
  35. 35.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) undoes one move
  36. 36.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Chat (c) Match report (d) Feed
  38. 38.🧭 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
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Score card
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Friend list”
    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 “Score card”
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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