← Navigation: tabs and the back button lesson New set →

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 432 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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
  3. 3.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  4. 4.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) switches main sections (d) goes to the last screen
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Friend list
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Match report (d) Chat
  7. 7.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) sits at the bottom (d) hides extra links
  8. 8.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) switches main sections
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Chat (c) Feed (d) Friend list
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  12. 12.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Help page
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    4. open “Video”
    5. open “Score card”
    Which screen are you on now?     (a) Match report (b) Video (c) Edit photo (d) Score card
  15. 15.🧭 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. open “Edit photo”
    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. tap the Quiz tab
    2. open “Score card”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Quiz (d) Badges
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Match report (b) Settings (c) Chat (d) Feed
  19. 19.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Match report
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Score card (d) Friend list
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    4. open “Video”
    5. tap Back
    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. tap the Chat tab
    2. tap the Chat tab
    3. tap the Settings tab
    4. tap the Settings tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Video (c) Edit photo (d) Quiz
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    4. tap the Settings tab
    5. open “Match report”
    Which screen are you on now?     (a) Map (b) Feed (c) Chat (d) Match report
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Video
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Score card”
    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. open “Badges”
    2. tap Back
    3. tap the Chat tab
    4. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Friend list
  30. 30.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. tap the Profile tab
    5. 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 “Badges”
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Chat tab
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Help page
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Friend list (d) Quiz
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Video
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Video”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Feed (c) Map (d) Friend list
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Quiz tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Edit photo”
    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 Search tab
    2. open “Badges”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

Free app development lessons, practice and worksheets at talentjr.in/app-development-for-students