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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 705 · 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. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Me (c) Quiz (d) Lessons
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Score card
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. tap the Me tab
    Which screen are you on now?     (a) Video (b) Match report (c) Me (d) Lessons
  5. 5.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Badges (d) Feed
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Badges”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Feed (c) Edit photo (d) Chat
  12. 12.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a menu button? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Video (c) Map (d) Profile
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap the Settings tab
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Chat (d) Feed
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Badges”
    4. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Badges”
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Me
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Help page (d) Feed
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. open “Video”
    4. open “Score card”
    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 “Map”
    2. tap the Profile tab
    3. tap the Home tab
    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 “Help page”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
  28. 28.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Badges
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    4. tap the Home tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  32. 32.🧭 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 Quiz tab
    5. open “Map”
    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 “Help page”
    2. open “Map”
    3. tap the Profile tab
    4. open “Help page”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Feed (c) Friend list (d) Badges
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Map (d) Home
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Friend list”
    5. 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 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
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Match report”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Friend list (c) Lessons (d) Me

Answer key

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

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