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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 682 · 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.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  2. 2.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  4. 4.🧭 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?
  5. 5.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Video”
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Video (c) Match report (d) Lessons
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Video”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  9. 9.🧭 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 the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 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) Match report (b) Score card (c) Chat (d) Feed
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Friend list”
    4. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Friend list (d) Lessons
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    5. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Feed (c) Friend list (d) Chat
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Edit photo
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Search tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 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
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap Back
    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 “Map”
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Profile
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Friend list”
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Feed (c) Help page (d) Edit photo
  25. 25.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. tap Back
    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 “Help page”
    2. tap the Quiz tab
    3. open “Video”
    4. tap the Me tab
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Help page (c) Badges (d) Lessons
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Friend list
  29. 29.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?     (a) Badges (b) Video (c) Lessons (d) Help page
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Video (c) Match report (d) Lessons
  32. 32.🧭 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) Match report (b) Lessons (c) Quiz (d) Video
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Edit photo (d) Quiz
  34. 34.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    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. tap the Search tab
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Map”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  40. 40.Which of these is true of a menu button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections

Answer key

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

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