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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 324 · 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.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Friend list”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 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) Lessons (b) Score card (c) Badges (d) Quiz
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap the Chat tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  7. 7.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) the last app used (d) a random page
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Help page”
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Help page (c) Video (d) Feed
  9. 9.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  10. 10.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) hides extra links
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Video”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Match report (c) Edit photo (d) Video
  12. 12.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  13. 13.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Match report (d) Quiz
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Help page”
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Help page
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Edit photo
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) opens a list of pages
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Me (d) Lessons
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Map
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Edit photo”
    4. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Me (d) Score card
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Help page”
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Help page (d) Badges
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Video (c) Friend list (d) Feed
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Settings
  29. 29.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  30. 30.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Map”
    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 “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Match report
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Edit photo”
    4. tap the Quiz tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    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 “Friend list”
    2. open “Map”
    3. tap the Home tab
    4. open “Video”
    5. open “Badges”
    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 “Badges”
    2. tap the Quiz tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Score card”
    3. open “Match report”
    4. tap the Profile tab
    5. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Score card (c) Friend list (d) Map
  40. 40.🧭 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

Answer key

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

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