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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 465 · 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.

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

Answer key

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

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