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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 119 · 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.

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

Answer key

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

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