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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 410 · 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.

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

Answer key

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

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