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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 848 · 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. tap the Feed tab
    2. open “Badges”
    3. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Chat (c) Settings (d) Feed
  2. 2.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) sits at the bottom (d) switches main sections
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Feed tab
    Which screen are you on now?     (a) Map (b) Feed (c) Help page (d) Chat
  5. 5.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  6. 6.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Badges (c) Friend list (d) Lessons
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Me tab
    4. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Me (c) Quiz (d) Lessons
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Match report (d) Search
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Me tab
    4. open “Score card”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Help page (d) Lessons
  11. 11.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Edit photo”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Match report (d) Home
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. open “Badges”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Badges (d) Feed
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  16. 16.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  17. 17.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Home (c) Help page (d) Score card
  19. 19.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) sits at the bottom (d) undoes one move
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Edit photo
  24. 24.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  25. 25.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  26. 26.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now?     (a) Video (b) Help page (c) Home (d) Match report
  28. 28.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Home tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Badges”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Settings
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Friend list (d) Home
  33. 33.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Edit photo (d) Search
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    4. 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. open “Badges”
    2. tap Back
    3. tap the Me tab
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Badges (d) Lessons
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Match report
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Me tab
    5. open “Edit photo”
    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. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar

Answer key

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

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