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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 582 · 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.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Score card”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Map”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Map
  6. 6.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  8. 8.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Help page”
    4. open “Badges”
    Which screen are you on now?     (a) Help page (b) Score card (c) Lessons (d) Badges
  11. 11.🧭 Which part of navigation opens a list of pages? (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 “Friend list”
    2. open “Badges”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Profile tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Edit photo (c) Profile (d) Home
  15. 15.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now?     (a) Score card (b) Match report (c) Home (d) Help page
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    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. open “Edit photo”
    2. open “Map”
    3. tap the Me tab
    4. open “Map”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Match report (d) Quiz
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Map
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Friend list”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Feed tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Settings
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Badges”
    3. tap Back
    4. open “Video”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Video (c) Match report (d) Home
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Match report (d) Quiz
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Profile
  28. 28.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Match report (c) Score card (d) Friend list
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Map
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap the Search tab
    5. open “Match report”
    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. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) shows 3 to 5 icons
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Settings
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Me (b) Badges (c) Lessons (d) Quiz
  37. 37.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Home (b) Badges (c) Friend list (d) Score card
  39. 39.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
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Profile tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. 3 to 5
  2. 2
  3. a tab bar
  4. 1
  5. Map
  6. switches main sections
  7. at the bottom
  8. hides extra links
  9. that tab’s main screen
  10. Badges
  11. a menu button
  12. 3
  13. the back button
  14. Profile
  15. a tab bar
  16. Help page
  17. 1
  18. 2
  19. 1
  20. Match report
  21. 0
  22. Map
  23. 2
  24. Feed
  25. Badges
  26. Friend list
  27. Home
  28. a tab bar
  29. Friend list
  30. Map
  31. 1
  32. 0
  33. opens a list of pages
  34. Feed
  35. 2
  36. Badges
  37. goes to the last screen
  38. Friend list
  39. sits at the bottom
  40. 0

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