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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 85 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Me (d) Lessons
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Score card
  3. 3.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Help page (c) Quiz (d) Friend list
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Map”
    Which screen are you on now?     (a) Match report (b) Search (c) Map (d) Home
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  8. 8.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Help page
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Match report
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Badges (d) Quiz
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 1 (d) 3 to 5
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    4. open “Help page”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  16. 16.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Match report”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Map (d) Feed
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. tap the Me tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Badges (c) Edit photo (d) Lessons
  21. 21.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  22. 22.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) hides extra links
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    4. open “Edit photo”
    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. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Friend list”
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Video (d) Lessons
  26. 26.🧭 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 Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Edit photo
  27. 27.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  28. 28.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    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 the Chat tab
    3. open “Friend list”
    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. tap the Profile tab
    2. open “Edit photo”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) shows 3 to 5 icons
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) opens a list of pages
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Help page”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Home (d) Match report
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. open “Map”
    4. tap Back
    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 Chat tab
    2. open “Badges”
    3. tap Back
    4. tap the Feed tab
    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. open “Score card”
    2. open “Video”
    3. tap the Quiz tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Search tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Friend list (d) Profile

Answer key

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

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