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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 802 · 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.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Search
  3. 3.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 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
  6. 6.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Score card
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Map (c) Feed (d) Chat
  9. 9.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) switches main sections
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Help page (c) Map (d) Edit photo
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Video (d) Search
  12. 12.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Badges (d) Lessons
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Badges”
    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 “Score card”
    2. open “Badges”
    3. open “Video”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Profile (c) Video (d) Home
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Search tab
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Search (d) Home
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Lessons tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of the back button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) goes to the last screen
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Badges (d) Map
  27. 27.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Friend list (d) Lessons
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Video
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap Back
    4. open “Badges”
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Home (c) Match report (d) Edit photo
  32. 32.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Edit photo”
    5. tap the Chat tab
    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 “Match report”
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Search (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Friend list”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Video
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Chat (d) Feed
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Match report
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Match report (d) Badges
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Friend list

Answer key

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

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