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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 322 · 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.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Me (c) Lessons (d) Quiz
  3. 3.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) opens a list of pages
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Map
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Score card”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Score card (c) Home (d) Search
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  11. 11.🧭 Which part of navigation sits at the bottom? (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 “Friend list”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Match report
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. 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 Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Score card”
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Score card (c) Video (d) Home
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Match report
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Help page (b) Me (c) Quiz (d) Lessons
  17. 17.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Video (d) Help page
  19. 19.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Home tab
    4. tap the Search tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Friend list”
    4. tap the Settings tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Chat (c) Feed (d) Settings
  25. 25.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  26. 26.🧭 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 Quiz tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  28. 28.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Badges”
    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 “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Badges”
    5. open “Score card”
    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. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. open “Edit photo”
    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. tap the Profile tab
    2. open “Map”
    3. open “Score card”
    Which screen are you on now?     (a) Search (b) Home (c) Score card (d) Map
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Score card
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Score card”
    5. 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. tap the Home tab
    3. open “Edit photo”
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Help page (d) Map
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    5. open “Map”
    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. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Match report (d) Quiz
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Friend list (c) Badges (d) Match report
  40. 40.🧭 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
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz

Answer key

  1. goes to the last screen
  2. Lessons
  3. switches main sections
  4. Me
  5. 1
  6. the back button
  7. 0
  8. the back button
  9. Search
  10. that tab’s main screen
  11. a tab bar
  12. Match report
  13. 0
  14. Score card
  15. Friend list
  16. Lessons
  17. undoes one move
  18. Help page
  19. a tab bar
  20. 0
  21. shows 3 to 5 icons
  22. 1
  23. a menu button
  24. Friend list
  25. opens a list of pages
  26. 1
  27. 3 to 5
  28. at the bottom
  29. 3
  30. 3
  31. 0
  32. 1
  33. Score card
  34. Map
  35. 0
  36. Help page
  37. 3
  38. Lessons
  39. Match report
  40. Me

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