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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 359 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now?
    (a) Lessons (b) Map (c) Quiz (d) Friend list
  2. 2.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  3. 3.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  4. 4.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) switches main sections
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. tap the Feed tab
    Which screen are you on now?
    (a) Chat (b) Friend list (c) Feed (d) Match report
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Friend list”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?
    (a) Match report (b) Friend list (c) Map (d) Badges
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?
    (a) Chat (b) Feed (c) Help page (d) Score card
  10. 10.🧭 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
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  12. 12.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Quiz tab
    4. open “Edit photo”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 20 (d) 10 to 12
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. tap the Chat tab
    5. open “Edit photo”
    Which screen are you on now?
    (a) Edit photo (b) Friend list (c) Feed (d) Chat
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?
    (a) Map (b) Match report (c) Quiz (d) Lessons
  21. 21.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) goes to the last screen
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?
    (a) Badges (b) Home (c) Video (d) Edit photo
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?
    (a) Home (b) Search (c) Score card (d) Edit photo
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Settings tab
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?
    (a) Match report (b) Help page (c) Map (d) Edit photo
  25. 25.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  26. 26.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  27. 27.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Help page”
    4. tap Back
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) sits at the bottom
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Chat tab
    Which screen are you on now?
    (a) Settings (b) Chat (c) Edit photo (d) Feed
  32. 32.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Search tab
    Which screen are you on now?
    (a) Search (b) Profile (c) Home (d) Friend list
  34. 34.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Settings tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. open “Friend list”
    4. open “Edit photo”
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Friend list (b) Lessons (c) Edit photo (d) Help page
  37. 37.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Video”
    3. open “Friend list”
    4. tap the Chat tab
    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 Search tab
    2. open “Help page”
    3. open “Video”
    4. open “Map”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button

Answer key

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

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