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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 286 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Match report (d) Chat
  2. 2.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) opens a list of pages (d) undoes one move
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Settings tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Score card
  6. 6.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  7. 7.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) shows 3 to 5 icons (d) sits at the bottom
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. open “Score card”
    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 “Map”
    2. tap the Chat tab
    3. open “Score card”
    4. open “Badges”
    5. tap the Settings tab
    Which screen are you on now?     (a) Score card (b) Badges (c) Settings (d) Map
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Score card”
    4. open “Video”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.Which of these is true of a tab bar? (a) undoes one move (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Video”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Score card (c) Home (d) Search
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Video”
    4. tap the Settings tab
    Which screen are you on now?     (a) Friend list (b) Help page (c) Video (d) Settings
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    4. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Match report
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Chat tab
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  21. 21.🧭 Which part of navigation goes to the last screen? (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 Search tab
    2. open “Video”
    3. open “Score card”
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Video (c) Home (d) Score card
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Feed (d) Help page
  25. 25.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  26. 26.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) sits at the bottom
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Map
  28. 28.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) undoes one move (d) shows 3 to 5 icons
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. open “Badges”
    5. tap the Settings tab
    Which screen are you on now?     (a) Badges (b) Map (c) Feed (d) Settings
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Quiz tab
    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 “Friend list”
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Score card”
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Score card
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    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 “Map”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Map (b) Search (c) Badges (d) Home
  37. 37.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  38. 38.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Match report”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Match report (d) Help page
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Video (c) Home (d) Profile

Answer key

  1. Match report
  2. switches main sections
  3. 1
  4. a menu button
  5. Badges
  6. a tab bar
  7. hides extra links
  8. 3
  9. Settings
  10. 0
  11. shows 3 to 5 icons
  12. 1
  13. 3
  14. 3 to 5
  15. Badges
  16. Settings
  17. 1
  18. Friend list
  19. sits at the bottom
  20. Badges
  21. the back button
  22. Home
  23. 1
  24. Help page
  25. goes to the last screen
  26. opens a list of pages
  27. Score card
  28. undoes one move
  29. 0
  30. Settings
  31. 0
  32. 1
  33. Profile
  34. 0
  35. 1
  36. Map
  37. goes to the last screen
  38. at the bottom
  39. Video
  40. Profile

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