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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 676 · 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.🧭 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
  2. 2.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap the Home tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Settings
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Settings tab
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me tab
    4. open “Friend list”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation opens a list of pages? (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. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Score card”
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Help page (c) Score card (d) Feed
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Chat (c) Feed (d) Badges
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. open “Map”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Badges (c) Feed (d) Map
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Help page (d) Video
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Home tab
    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. tap the Profile tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Search (c) Help page (d) Home
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Lessons tab
    5. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. tap the Profile tab
    Which screen are you on now?     (a) Video (b) Home (c) Score card (d) Profile
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Edit photo (c) Score card (d) Lessons
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. open “Help page”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Help page
  26. 26.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Video (d) Settings
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    4. open “Map”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap Back
    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. tap the Quiz tab
    3. tap the Quiz tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Edit photo
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Quiz (d) Lessons
  34. 34.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  35. 35.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Friend list”
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Map (d) Feed
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Badges
  38. 38.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Badges”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Badges (b) Help page (c) Friend list (d) Quiz
  40. 40.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button

Answer key

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

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