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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 422 · 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 the back button? (a) goes to the last screen (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Settings tab
    4. open “Badges”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Map”
    Which screen are you on now?     (a) Map (b) Lessons (c) Friend list (d) Video
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Edit photo (d) Home
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Score card”
    4. tap the Settings tab
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Help page (c) Score card (d) Video
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Match report (c) Lessons (d) Score card
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Search (c) Score card (d) Home
  10. 10.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  11. 11.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Help page
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) switches main sections
  15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Edit photo”
    5. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Settings (d) Feed
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Video”
    4. open “Badges”
    5. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Badges (c) Edit photo (d) Video
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Match report”
    4. open “Friend list”
    5. tap the Feed tab
    Which screen are you on now?     (a) Friend list (b) Feed (c) Match report (d) Chat
  19. 19.Which of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) sits at the bottom
  20. 20.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  23. 23.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. open “Edit photo”
    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 “Match report”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Map
  26. 26.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  27. 27.🧭 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
    4. open “Match report”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Match report
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Help page”
    4. open “Match report”
    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 “Edit photo”
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    5. open “Friend list”
    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 “Badges”
    2. tap the Profile tab
    3. open “Help page”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Search (c) Help page (d) Home
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. open “Video”
    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. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. open “Video”
    4. open “Video”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Map
  34. 34.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) that tab’s main screen (d) the phone settings
  35. 35.🧭 What does the back button usually do? (a) goes to the last screen (b) deletes the page (c) closes all apps (d) opens settings
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Feed (b) Match report (c) Score card (d) Friend list
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Feed (d) Edit photo
  38. 38.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) switches main sections
  39. 39.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Me

Answer key

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

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