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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 77 · 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 part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  2. 2.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap Back
    4. open “Map”
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Map (d) Score card
  4. 4.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) switches main sections (d) hides extra links
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Help page”
    4. open “Friend list”
    5. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Edit photo (d) Match report
  6. 6.🧭 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
  7. 7.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Match report (d) Lessons
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  10. 10.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Edit photo (d) Profile
  13. 13.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  14. 14.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  15. 15.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Home tab
    4. open “Map”
    5. open “Friend list”
    Which screen are you on now?     (a) Search (b) Map (c) Friend list (d) Home
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. open “Match report”
    Which screen are you on now?     (a) Help page (b) Home (c) Map (d) Match report
  18. 18.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Friend list (c) Feed (d) Edit photo
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Video (c) Settings (d) Chat
  21. 21.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Match report (c) Feed (d) Chat
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Me tab
    5. tap the Me 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. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Friend list
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) switches main sections
  27. 27.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) hides extra links
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Map (b) Home (c) Search (d) Profile
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Help page
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Help page”
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Quiz tab
    4. tap the Me tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Badges”
    4. open “Map”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Lessons
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Map”
    4. tap Back
    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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. tap the Quiz tab
    5. tap the Me tab
    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 “Video”
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Video (b) Home (c) Search (d) Help page
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Map”
    4. tap the Me tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Me (d) Map

Answer key

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

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