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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 610 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Search
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  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. tap the Search tab
    4. tap the Home tab
    5. open “Match report”
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Match report
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    4. tap the Lessons tab
    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 “Map”
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 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
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    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?
  11. 11.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) shows 3 to 5 icons
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Lessons tab
    4. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Me (d) Quiz
  14. 14.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.Which of these is true of a tab bar? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) goes to the last screen
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Badges
  18. 18.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  19. 19.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Edit photo (d) Help page
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Map (c) Help page (d) Feed
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Help page”
    3. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Map (d) Lessons
  23. 23.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Score card (d) Lessons
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    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?
  26. 26.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  27. 27.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    4. open “Video”
    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 “Score card”
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Score card”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    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. tap the Profile tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.Which of these is true of a menu button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Chat 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 “Friend list”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    4. open “Video”
    5. open “Video”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Video (d) Lessons
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. tap the Chat tab
    5. open “Badges”
    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. open “Match report”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Search (c) Match report (d) Home
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Profile

Answer key

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

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