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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 466 · 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) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Edit photo”
    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 “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Map (c) Quiz (d) Lessons
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Friend list (c) Settings (d) Chat
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Chat (b) Video (c) Badges (d) Feed
  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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Score card (c) Home (d) Search
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Chat tab
    Which screen are you on now?     (a) Video (b) Feed (c) Help page (d) Chat
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to hide the menu (d) to look busy
  15. 15.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  16. 16.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Me tab
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Badges (c) Quiz (d) Lessons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Me
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Map”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Lessons (d) Map
  22. 22.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) hides extra links (d) switches main sections
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Score card”
    Which screen are you on now?     (a) Help page (b) Score card (c) Match report (d) Feed
  24. 24.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    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?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Help page
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) shows 3 to 5 icons
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Edit photo (c) Lessons (d) Quiz
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Quiz tab
    4. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Match report (d) Lessons
  34. 34.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) switches main sections (d) goes to the last screen
  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 Settings tab
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Settings
  36. 36.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  37. 37.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Me tab
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Badges (c) Map (d) Lessons
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Video”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Video (c) Match report (d) Chat
  40. 40.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar

Answer key

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

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