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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 278 · 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 “Match report”
    2. tap the Me tab
    3. tap the Quiz tab
    4. open “Edit photo”
    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. open “Friend list”
    2. tap the Lessons tab
    3. open “Match report”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Quiz (c) Lessons (d) Friend list
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Profile
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Me tab
    4. open “Map”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Edit photo
  6. 6.🧭 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
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Map (c) Badges (d) Lessons
  8. 8.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) deletes the page (d) goes to the last screen
  9. 9.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) sits at the bottom (d) switches main sections
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. open “Friend list”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Home tab
    4. open “Friend list”
    5. open “Friend list”
    Which screen are you on now?     (a) Search (b) Score card (c) Home (d) Friend list
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Score card
  17. 17.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Home (c) Video (d) Search
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Friend list (c) Chat (d) Feed
  20. 20.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Map”
    3. open “Video”
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Map (c) Lessons (d) Video
  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. 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 “Friend list”
    2. open “Map”
    3. tap Back
    4. open “Help page”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Edit photo”
    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 “Edit photo”
    2. open “Score card”
    3. open “Edit photo”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Help page”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Score card”
    Which screen are you on now?     (a) Search (b) Badges (c) Score card (d) Home
  30. 30.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Home (c) Friend list (d) Search
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Score card
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. open “Match report”
    4. tap the Home tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Match report (c) Help page (d) Profile
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Edit photo
  36. 36.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  37. 37.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Map”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. open “Badges”
    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. open “Match report”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Match report

Answer key

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

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