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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 79 · 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) goes to the last screen (b) undoes one move (c) opens a list of pages (d) switches main sections
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Edit photo”
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Home (d) Video
  5. 5.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    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 “Friend list”
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Friend list (c) Match report (d) Feed
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Video”
    4. open “Badges”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Map”
    3. tap Back
    4. open “Score card”
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  11. 11.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  12. 12.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) hides extra links (d) goes to the last screen
  13. 13.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  14. 14.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  15. 15.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Edit photo (d) Match report
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Edit photo”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Help page (d) Lessons
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. open “Edit photo”
    4. open “Help page”
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Edit photo
  19. 19.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Help page”
    4. tap the Me tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Score card”
    4. open “Map”
    Which screen are you on now?     (a) Score card (b) Map (c) Help page (d) Match report
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat 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?
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Help page”
    4. open “Help page”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Match report (c) Home (d) Help page
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Settings tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) inside a button (d) in the middle
  27. 27.🧭 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 Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Feed (c) Settings (d) Chat
  29. 29.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) that tab’s main screen (c) the phone settings (d) the last app used
  31. 31.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  32. 32.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Score card (c) Profile (d) Match report
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Score card”
    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. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Quiz (d) Lessons
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Video”
    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. open “Help page”
    2. open “Score card”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Match report (c) Feed (d) Score card
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Me tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Me (c) Score card (d) Friend list
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Profile (c) Home (d) Search
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Friend list”
    3. open “Friend list”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Feed (d) Badges

Answer key

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

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