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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 760 · 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 switches main sections? (a) a tab bar (b) the back button (c) a menu button
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  5. 5.🧭 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
  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 “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Settings
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Match report
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Home (c) Match report (d) Friend list
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Badges”
    4. tap the Feed tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Help page (b) Feed (c) Badges (d) Chat
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. tap the Chat tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Match report
  12. 12.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Search
  15. 15.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Profile
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Map (c) Edit photo (d) Quiz
  20. 20.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to use more battery (d) to look busy
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Friend list (d) Chat
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Match report (d) Badges
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Profile tab
    4. tap the Home 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 “Match report”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Match report
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Me tab
    4. open “Badges”
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Video (c) Badges (d) Score card
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Search (c) Profile (d) Home
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. tap the Home tab
    4. open “Video”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Settings
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Badges (c) Me (d) Lessons
  40. 40.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) hides extra links

Answer key

  1. a tab bar
  2. 1
  3. 0
  4. 3 to 5
  5. at the bottom
  6. Map
  7. Match report
  8. Map
  9. Chat
  10. 1
  11. Lessons
  12. the back button
  13. 1
  14. Edit photo
  15. goes to the last screen
  16. Home
  17. 0
  18. the back button
  19. Map
  20. so users do not get lost
  21. Me
  22. 0
  23. Settings
  24. Badges
  25. 0
  26. Quiz
  27. Score card
  28. 0
  29. goes to the last screen
  30. 0
  31. a tab bar
  32. 2
  33. a menu button
  34. 2
  35. Home
  36. 1
  37. 2
  38. Settings
  39. Quiz
  40. undoes one move

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