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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 471 · 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) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) hides extra links
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    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. tap the Quiz tab
    2. open “Help page”
    3. open “Friend list”
    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. tap the Me tab
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Score card”
    5. tap the Me tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Me (d) Help page
  5. 5.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Map”
    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?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Badges
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Badges
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Match report”
    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 “Help page”
    2. open “Help page”
    3. open “Video”
    4. open “Friend list”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  12. 12.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Search (d) Home
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Me (d) Quiz
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Feed tab
    4. open “Map”
    Which screen are you on now?     (a) Score card (b) Video (c) Feed (d) Map
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Search (c) Profile (d) Home
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  20. 20.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) shows 3 to 5 icons (d) sits at the bottom
  21. 21.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Profile (b) Search (c) Match report (d) Home
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Badges (d) Settings
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Help page”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) at the bottom (d) in the middle
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Edit photo
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Me tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  29. 29.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Score card
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Video (c) Friend list (d) Home
  33. 33.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Map (d) Chat
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Feed tab
    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. open “Edit photo”
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Search (d) Home
  37. 37.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) opens a list of pages
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap the Settings tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Settings (b) Video (c) Help page (d) Feed

Answer key

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

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