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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 273 · 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.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Video”
    4. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed (d) Video
  5. 5.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
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 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
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 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 Search tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Friend list (c) Home (d) Search
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 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
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) goes to the last screen
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Video”
    3. tap the Lessons tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. open “Help page”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Help page (d) Quiz
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Score card”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Score card (d) Search
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Edit photo (d) Me
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Help page”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Map (d) Lessons
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Edit photo (d) Feed
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Help page (c) Map (d) Quiz
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Chat tab
    4. open “Help page”
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Badges (d) Chat
  29. 29.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Map”
    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 “Help page”
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Match report (c) Home (d) Help page
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Feed tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Score card (c) Profile (d) Search
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. tap the Chat tab
    Which screen are you on now?     (a) Map (b) Badges (c) Feed (d) Chat
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. tap the Quiz tab
    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. open “Friend list”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Chat (c) Video (d) Feed
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    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?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Chat (d) Feed
  40. 40.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen

Answer key

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

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