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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 377 · 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 the back button? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) goes to the last screen
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Search (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Score card”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Edit photo (d) Match report
  5. 5.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  6. 6.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) undoes one move
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Video”
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Video (c) Lessons (d) Edit photo
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Help page (c) Match report (d) Score card
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Video”
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Map (c) Friend list (d) Video
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap Back
    4. open “Map”
    5. open “Video”
    Which screen are you on now?     (a) Search (b) Map (c) Home (d) Video
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Home tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Help page (d) Home
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. 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 “Friend list”
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Edit photo”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  24. 24.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) hides extra links (d) undoes one move
  25. 25.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  26. 26.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  27. 27.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Map (d) Quiz
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Match report”
    4. open “Score card”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Friend list
  32. 32.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  33. 33.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Video (c) Chat (d) Feed
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Map”
    4. tap the Search tab
    5. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Map
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Settings (c) Chat (d) Feed

Answer key

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

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