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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 475 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Score card”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Friend list (c) Badges (d) Score card
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Score card”
    4. tap the Profile tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  4. 4.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Me (c) Map (d) Lessons
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Feed tab
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) switches main sections (d) goes to the last screen
  9. 9.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    4. open “Video”
    5. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Video (c) Settings (d) Feed
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    4. open “Badges”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Video (c) Me (d) Quiz
  15. 15.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  16. 16.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  18. 18.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Match report”
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Match report
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    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 “Video”
    2. tap the Search tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) undoes one move (d) goes to the last screen
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Match report”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Score card (b) Search (c) Match report (d) Home
  24. 24.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Home (d) Search
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Profile
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now?     (a) Map (b) Edit photo (c) Chat (d) Feed
  28. 28.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) to use more battery (d) so users do not get lost
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. 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 “Edit photo”
    2. open “Edit photo”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Search
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Chat (d) Feed
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Home tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Profile
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. tap the Settings tab
    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 “Score card”
    2. tap the Profile tab
    3. open “Score card”
    4. open “Score card”
    5. open “Video”
    Which screen are you on now?     (a) Score card (b) Search (c) Home (d) Video
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Feed 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. tap the Settings tab
    2. tap the Settings tab
    3. open “Video”
    4. 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. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now?     (a) Settings (b) Help page (c) Chat (d) Feed

Answer key

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

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