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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 240 · 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 “Score card”
    2. tap the Settings tab
    3. open “Video”
    Which screen are you on now?     (a) Chat (b) Score card (c) Feed (d) Video
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. open “Match report”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Badges (c) Map (d) Match report
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Search (d) Home
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Lessons (d) Friend list
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Friend list”
    3. open “Score card”
    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. open “Score card”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Feed (d) Chat
  10. 10.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. open “Video”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap Back
    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. open “Map”
    2. tap the Lessons tab
    3. open “Score card”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Map
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz
  16. 16.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) switches main sections
  17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Friend list
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Home (d) Search
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Settings
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. open “Map”
    Which screen are you on now?     (a) Profile (b) Home (c) Map (d) Search
  25. 25.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Help page”
    4. tap the Profile tab
    5. open “Friend list”
    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. open “Video”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Help page
  28. 28.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  29. 29.Which of these is true of a menu button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Friend list
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Search (c) Profile (d) Home
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Match report (b) Friend list (c) Lessons (d) Help page
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Badges (d) Friend list
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap the Settings tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Score card (d) Quiz
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Search tab
    5. open “Friend list”
    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 “Friend list”
    3. tap Back
    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 “Match report”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Score card

Answer key

  1. Video
  2. 1
  3. 0
  4. Map
  5. Home
  6. Friend list
  7. a menu button
  8. 3
  9. Video
  10. a tab bar
  11. 0
  12. 1
  13. Quiz
  14. 3 to 5
  15. Me
  16. undoes one move
  17. sits at the bottom
  18. Badges
  19. Badges
  20. Feed
  21. 1
  22. a tab bar
  23. 4
  24. Map
  25. hides extra links
  26. 1
  27. Quiz
  28. at the bottom
  29. opens a list of pages
  30. Search
  31. Home
  32. 0
  33. Help page
  34. Home
  35. 0
  36. goes to the last screen
  37. Quiz
  38. 1
  39. 0
  40. Match report

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