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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 170 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Score card”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. open “Map”
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Map
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Settings
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Score card (d) Video
  8. 8.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  11. 11.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Edit photo
  13. 13.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) shows 3 to 5 icons
  14. 14.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Score card (c) Profile (d) Search
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Match report (c) Chat (d) Feed
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Me tab
    4. tap the Quiz tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Lessons (d) Match report
  18. 18.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) switches main sections
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Map”
    4. tap the Search tab
    5. open “Edit photo”
    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. open “Edit photo”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Edit photo (d) Help page
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Score card”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Score card (c) Chat (d) Video
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Badges”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 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. open “Edit photo”
    5. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Settings
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Score card (c) Home (d) Video
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Match report
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Me tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. open “Map”
    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 use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  35. 35.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) sits at the bottom
  36. 36.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Me tab
    5. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Map (d) Lessons
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Match report (d) Friend list
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Feed tab
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Chat (c) Badges (d) Feed
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Map”
    4. tap the Profile tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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