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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 586 · 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 “Map”
    2. tap the Quiz tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  3. 3.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  4. 4.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) nowhere (d) at the bottom
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Map”
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Map
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Home tab
    4. tap the Home tab
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 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
    Which screen are you on now?     (a) Score card (b) Lessons (c) Me (d) Quiz
  8. 8.Which of these is true of a menu button? (a) switches main sections (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  9. 9.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap the Quiz tab
    Which screen are you on now?     (a) Friend list (b) Match report (c) Lessons (d) Quiz
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    4. tap the Feed tab
    5. open “Map”
    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 “Help page”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Help page (c) Me (d) Quiz
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Video”
    3. open “Friend list”
    Which screen are you on now?     (a) Video (b) Lessons (c) Score card (d) Friend list
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Map”
    3. tap the Lessons tab
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Edit photo (d) Friend list
  15. 15.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Home tab
    Which screen are you on now?     (a) Video (b) Edit photo (c) Search (d) Home
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. tap the Feed tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Friend list (d) Feed
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Friend list
  20. 20.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Search tab
    3. open “Video”
    4. open “Friend list”
    5. tap the Search tab
    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. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap Back
    5. open “Map”
    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 Feed tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Settings (c) Help page (d) Feed
  24. 24.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the last app used (d) the phone settings
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Score card (d) Map
  26. 26.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Badges”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Badges (d) Quiz
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Badges
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Score card
  31. 31.Which of these is true of the back button? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) sits at the bottom
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Settings (c) Feed (d) Chat
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Profile tab
    3. open “Match report”
    4. open “Match report”
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Match report (c) Badges (d) Home
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Lessons (c) Help page (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap Back
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Home (c) Edit photo (d) Score card
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Badges”
    4. tap the Profile tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20

Answer key

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

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