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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 279 · 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.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. tap the Lessons tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Map (d) Edit photo
  3. 3.Which of these is true of a menu button? (a) sits at the bottom (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  5. 5.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    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 “Match report”
    2. open “Match report”
    3. tap the Me tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    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 Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Badges
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  12. 12.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Match report (d) Map
  17. 17.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  18. 18.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Score card”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Map (c) Quiz (d) Lessons
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Match report”
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Badges (c) Friend list (d) Help page
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Score card”
    4. tap the Chat tab
    5. open “Help page”
    Which screen are you on now?     (a) Video (b) Help page (c) Score card (d) Feed
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Map (c) Home (d) Search
  26. 26.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    5. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Search (c) Badges (d) Friend list
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Score card”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Badges (c) Score card (d) Feed
  30. 30.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Match report
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Edit photo (c) Map (d) Search
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Search tab
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Home (d) Search
  36. 36.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Badges (d) Edit photo
  38. 38.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  39. 39.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Profile (c) Home (d) Search

Answer key

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

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