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

App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 403 · 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. open “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    4. open “Match report”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Badges (c) Video (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Settings (d) Chat
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Badges”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Badges (d) Help page
  6. 6.🧭 Which part of navigation opens a list of pages? (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 “Match report”
    2. tap the Search tab
    3. open “Map”
    Which screen are you on now?     (a) Map (b) Match report (c) Search (d) Home
  8. 8.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  9. 9.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) sits at the bottom (d) undoes one move
  10. 10.🧭 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
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Me tab
    4. open “Map”
    5. tap Back
    Which screen are you on now?     (a) Map (b) Me (c) Lessons (d) Quiz
  12. 12.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) opens a list of pages
  13. 13.🧭 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
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap the Me tab
    4. open “Score card”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) goes to the last screen (d) undoes one move
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. open “Map”
    4. tap the Settings tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Help page
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  23. 23.Which of these is true of a tab bar? (a) hides extra links (b) undoes one move (c) opens a list of pages (d) sits at the bottom
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Quiz tab
    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. tap the Home tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Video
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Profile (c) Search (d) Friend list
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    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. tap the Home tab
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Video”
    3. open “Match report”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Match report (d) Video
  33. 33.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Match report”
    4. tap the Feed tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Score card (d) Feed
  35. 35.Which of these is true of the back button? (a) switches main sections (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    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. tap the Home tab
    2. open “Video”
    3. open “Badges”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Video (c) Badges (d) Help page
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. open “Video”
    4. open “Map”
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Video (d) Badges
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Edit photo

Answer key

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

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