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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 321 · 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.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  2. 2.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) goes to the last screen
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Help page (d) Profile
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Map (c) Quiz (d) Me
  5. 5.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) opens a list of pages
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Help page
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Score card (d) Search
  8. 8.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Quiz (d) Lessons
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Map (c) Feed (d) Edit photo
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Map
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Score card”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Score card (d) Help page
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Help page”
    4. tap the Chat tab
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Badges (b) Search (c) Help page (d) Home
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    5. tap the Chat tab
    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 “Score card”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Me
  17. 17.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Score card”
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. open “Help page”
    4. open “Match report”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    4. tap the Lessons tab
    5. open “Help page”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Help page (d) Match report
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Lessons (d) Badges
  23. 23.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) hides extra links
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Video”
    4. tap the Quiz tab
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Video
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Match report
  28. 28.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) undoes one move
  29. 29.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 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 Profile tab
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Profile
  34. 34.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  35. 35.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) opens a list of pages (d) undoes one move
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. tap the Profile tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. goes to the last screen
  2. goes to the last screen
  3. Profile
  4. Lessons
  5. switches main sections
  6. Help page
  7. Help page
  8. a menu button
  9. Help page
  10. Friend list
  11. Friend list
  12. Score card
  13. 1
  14. Help page
  15. 0
  16. Me
  17. a tab bar
  18. 0
  19. 0
  20. 0
  21. Help page
  22. Badges
  23. hides extra links
  24. a tab bar
  25. Map
  26. 0
  27. Match report
  28. sits at the bottom
  29. 3 to 5
  30. that tab’s main screen
  31. 3
  32. 3
  33. Edit photo
  34. at the bottom
  35. undoes one move
  36. 1
  37. 1
  38. 1
  39. 2
  40. 1

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