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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 222 · 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.

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

Answer key

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

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