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

App Dev Worksheet: Navigation

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

Answer key

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

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