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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 744 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Badges (b) Home (c) Help page (d) Map
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Feed tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Feed (c) Edit photo (d) Chat
  3. 3.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Chat (d) Feed
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Edit photo (d) Home
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    4. tap the Lessons 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 “Score card”
    2. open “Friend list”
    3. open “Map”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Match report (d) Feed
  11. 11.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) sits at the bottom
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap the Profile tab
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Badges
  13. 13.🧭 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 “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Help page (c) Feed (d) Video
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Match report”
    4. open “Help page”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 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
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Me tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Map”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Home (d) Map
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Friend list
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Match report
  27. 27.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  28. 28.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  29. 29.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Lessons (d) Quiz
  31. 31.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  32. 32.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Search tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Edit photo (b) Profile (c) Search (d) Home
  34. 34.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Home tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Badges”
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Map (c) Badges (d) Help page
  40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle

Answer key

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

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