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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 344 · 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.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Video (c) Quiz (d) Lessons
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Help page (d) Quiz
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Video”
    3. tap Back
    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 “Help page”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Badges (c) Lessons (d) Quiz
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Score card”
    Which screen are you on now?     (a) Settings (b) Score card (c) Chat (d) Feed
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Badges”
    Which screen are you on now?     (a) Help page (b) Chat (c) Badges (d) Feed
  8. 8.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Map”
    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 Back
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap Back
    4. open “Video”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Video
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Chat (d) Map
  14. 14.🧭 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
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Video (c) Friend list (d) Search
  15. 15.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) opens settings (d) goes to the last screen
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Home (c) Profile (d) Badges
  17. 17.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  19. 19.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  20. 20.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Score card (d) Search
  23. 23.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) sits at the bottom
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Map (d) Lessons
  27. 27.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Edit photo (c) Quiz (d) Lessons
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Badges
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Map”
    3. open “Video”
    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 “Score card”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Feed (c) Badges (d) Chat
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Match report”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Help page”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Settings
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Settings tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Map (c) Video (d) Settings
  38. 38.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  39. 39.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) shows 3 to 5 icons (d) goes to the last screen
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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