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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 620 · 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. tap the Settings tab
    2. tap the Feed tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Chat (c) Friend list (d) Feed
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Badges”
    4. tap the Home tab
    5. open “Help page”
    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 “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    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 “Edit photo”
    2. tap the Chat tab
    3. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Feed (d) Score card
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Map (d) Match report
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Match report”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Feed tab
    4. tap the Settings tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap the Settings tab
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Badges (c) Edit photo (d) Feed
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Help page
  12. 12.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Help page (c) Profile (d) Search
  14. 14.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Friend list
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Map”
    3. open “Match report”
    4. open “Badges”
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Help page (c) Badges (d) Map
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Badges
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Score card
  20. 20.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Feed 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. open “Help page”
    2. open “Badges”
    3. open “Friend list”
    4. tap the Profile tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Edit photo (d) Help page
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Map (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  26. 26.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) undoes one move (d) sits at the bottom
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to use more battery (d) to hide the menu
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Badges”
    4. open “Edit photo”
    5. open “Help page”
    Which screen are you on now?     (a) Badges (b) Feed (c) Edit photo (d) Help page
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Friend list (d) Match report
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Match report (d) Score card
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    4. tap the Lessons tab
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Match report (d) Lessons
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Map”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Match report”
    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. tap the Profile tab
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Friend list (c) Help page (d) Home
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Edit photo”
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Match report (d) Lessons

Answer key

  1. Feed
  2. 1
  3. 1
  4. Score card
  5. Match report
  6. 2
  7. 0
  8. at the bottom
  9. Badges
  10. 3 to 5
  11. Feed
  12. undoes one move
  13. Profile
  14. the back button
  15. Match report
  16. 0
  17. Map
  18. Map
  19. Settings
  20. the back button
  21. 0
  22. Edit photo
  23. Score card
  24. 0
  25. a menu button
  26. opens a list of pages
  27. 0
  28. so users do not get lost
  29. 1
  30. that tab’s main screen
  31. Help page
  32. a tab bar
  33. Match report
  34. 0
  35. Match report
  36. Lessons
  37. 4
  38. 1
  39. Friend list
  40. Match report

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