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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 76 · 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. open “Help page”
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Score card (d) Help page
  2. 2.🧭 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 “Badges”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) hides extra links (d) goes to the last screen
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Match report”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Video
  6. 6.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Home tab
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Help page
  8. 8.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) goes to the last screen
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap Back
    4. open “Help page”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Friend list (d) Help page
  10. 10.🧭 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. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Settings (c) Chat (d) Feed
  11. 11.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) that tab’s main screen (d) a random page
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Video
  13. 13.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Badges”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Score card”
    4. open “Help page”
    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) switches main sections (d) goes to the last screen
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Match report”
    Which screen are you on now?     (a) Home (b) Match report (c) Edit photo (d) Search
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Me tab
    4. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Score card (d) Help page
  22. 22.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) switches main sections
  23. 23.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  24. 24.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Friend list (c) Quiz (d) Lessons
  27. 27.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Video”
    Which screen are you on now?     (a) Video (b) Home (c) Friend list (d) Search
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. open “Map”
    4. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Edit photo
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    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 “Video”
    2. open “Badges”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. tap the Settings tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    4. open “Map”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Settings 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 Search tab
    2. tap the Search tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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