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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 684 · 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.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) opens a list of pages (d) undoes one move
  2. 2.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  3. 3.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) sits at the bottom
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) a random page (d) the phone settings
  8. 8.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) opens settings (d) closes all apps
  9. 9.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) undoes one move
  10. 10.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Friend list (d) Quiz
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Score card”
    4. tap the Feed tab
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Score card (d) Feed
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Help page”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Help page
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Edit photo”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Badges
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Badges (d) Search
  20. 20.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) switches main sections
  21. 21.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Friend list
  25. 25.🧭 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 Chat tab
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Settings
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Chat (c) Friend list (d) Feed
  27. 27.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to use more battery (d) to look busy
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Match report
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Match report
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Video (d) Match report
  33. 33.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  34. 34.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Me (c) Edit photo (d) Lessons
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Match report”
    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. open “Help page”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Match report”
    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 “Match report”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Me (d) Quiz
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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