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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 135 · 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.🧭 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
  2. 2.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) deletes the page (d) opens settings
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Match report
  6. 6.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) sits at the bottom
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Match report (c) Search (d) Home
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Video”
    4. open “Video”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Edit photo (c) Lessons (d) Quiz
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Match report”
    4. open “Map”
    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 “Video”
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Video (c) Badges (d) Score card
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Lessons (c) Quiz (d) Score card
  12. 12.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) undoes one move (d) opens a list of pages
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. open “Edit photo”
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Feed (c) Edit photo (d) Score card
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Feed tab
    5. open “Score card”
    Which screen are you on now?     (a) Chat (b) Score card (c) Match report (d) Feed
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap the Chat tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) sits at the bottom (d) switches main sections
  22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Lessons (c) Match report (d) Quiz
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Search tab
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Profile
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Score card”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Score card (c) Chat (d) Settings
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. open “Match report”
    4. tap the Feed tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Help page (d) Feed
  27. 27.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Friend list (d) Help page
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. tap the Profile 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. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Map”
    5. tap Back
    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 “Score card”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 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
    4. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Me
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Score card (c) Lessons (d) Friend list
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Match report (d) Chat
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?     (a) Video (b) Lessons (c) Help page (d) Quiz
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Home
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar

Answer key

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

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