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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 397 · 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 “Help page”
    2. tap the Settings tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Settings (d) Feed
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Badges”
    4. tap the Quiz tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. open “Help page”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap the Settings tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Settings
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Search (c) Profile (d) Home
  9. 9.Which of these is true of a tab bar? (a) sits at the bottom (b) goes to the last screen (c) undoes one move (d) opens a list of pages
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Help page”
    4. open “Video”
    5. open “Score card”
    Which screen are you on now?     (a) Video (b) Lessons (c) Score card (d) Help page
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Match report
  13. 13.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Edit photo (c) Quiz (d) Lessons
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Badges
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Match report”
    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. tap the Profile tab
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Match report
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  24. 24.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  25. 25.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) hides extra links (d) goes to the last screen
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Home tab
    5. open “Video”
    Which screen are you on now?     (a) Search (b) Video (c) Edit photo (d) Home
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Video”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Match report
  32. 32.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  33. 33.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) hides extra links
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Feed tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Help page (b) Chat (c) Settings (d) Feed
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Lessons tab
    5. open “Video”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Friend list (d) Video
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Badges
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap Back
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Badges (d) Feed
  39. 39.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. Settings
  2. 0
  3. 0
  4. 4
  5. at the bottom
  6. Settings
  7. a tab bar
  8. Home
  9. sits at the bottom
  10. 0
  11. Score card
  12. Lessons
  13. a tab bar
  14. 1
  15. Badges
  16. Lessons
  17. 1
  18. 2
  19. so users do not get lost
  20. 1
  21. Match report
  22. 0
  23. the back button
  24. a menu button
  25. switches main sections
  26. 3
  27. a tab bar
  28. 1
  29. Video
  30. 1
  31. Lessons
  32. 3 to 5
  33. goes to the last screen
  34. Chat
  35. Video
  36. Home
  37. 0
  38. Settings
  39. a menu button
  40. 3

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