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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 613 · 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 a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  2. 2.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  4. 4.Which of these is true of a menu button? (a) sits at the bottom (b) undoes one move (c) hides extra links (d) switches main sections
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Home (d) Search
  6. 6.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) hides extra links
  7. 7.🧭 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
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) goes to the last screen (d) hides extra links
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Score card (c) Friend list (d) Feed
  11. 11.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) switches main sections
  12. 12.Which of these is true of the back button? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) sits at the bottom
  13. 13.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Feed (c) Settings (d) Chat
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Match report”
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Edit photo (d) Badges
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    Which screen are you on now?     (a) Match report (b) Home (c) Help page (d) Profile
  17. 17.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Help page”
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Help page (c) Score card (d) Edit photo
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Lessons (c) Edit photo (d) Badges
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. 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 Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Search (c) Match report (d) Home
  23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Settings 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. open “Video”
    2. open “Score card”
    3. open “Map”
    4. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Video (c) Map (d) Edit photo
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Score card
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Quiz tab
    4. open “Map”
    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. open “Map”
    2. open “Match report”
    3. tap Back
    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. tap the Home tab
    3. open “Map”
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Map
  31. 31.🧭 Which part of navigation undoes one move? (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. tap the Lessons tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Me (c) Lessons (d) Quiz
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Chat (d) Feed
  34. 34.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a menu button (c) a tab bar
  35. 35.Which of these is true of the back button? (a) sits at the bottom (b) undoes one move (c) opens a list of pages (d) switches main sections
  36. 36.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  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 Chat tab
    4. open “Help page”
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Help page
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    4. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Chat (c) Friend list (d) Feed
  39. 39.🧭 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
    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. tap the Profile tab
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home

Answer key

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

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