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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 424 · 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.Which of these is true of the back button? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  2. 2.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) switches main sections (d) sits at the bottom
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  5. 5.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Friend list”
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Friend list (d) Video
  7. 7.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  8. 8.Which of these is true of the back button? (a) undoes one move (b) hides extra links (c) opens a list of pages (d) shows 3 to 5 icons
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Me tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Score card (c) Me (d) Quiz
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the phone settings (d) the last app used
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Home 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 tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. open “Help page”
    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. open “Edit photo”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Help page”
    4. open “Badges”
    Which screen are you on now?     (a) Map (b) Help page (c) Badges (d) Home
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. open “Match report”
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Edit photo”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Score card (c) Edit photo (d) Home
  20. 20.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Me (b) Help page (c) Quiz (d) Lessons
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Search tab
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Friend list
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Match report (d) Chat
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Me
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. open “Score card”
    4. tap the Home tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Help page”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    4. tap the Profile tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Match report”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Settings (d) Chat
  37. 37.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Match report”
    4. open “Video”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Match report (c) Lessons (d) Badges
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Match report

Answer key

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

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