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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 223 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. open “Score card”
    4. tap the Feed tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Chat (c) Friend list (d) Feed
  2. 2.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Me 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. tap the Feed tab
    2. open “Score card”
    3. tap Back
    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 Home tab
    2. open “Score card”
    3. open “Help page”
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Help page (c) Home (d) Score card
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Search (c) Edit photo (d) Score card
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Lessons (c) Me (d) Quiz
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Feed tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Edit photo (d) Chat
  9. 9.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  10. 10.🧭 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
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Match report
  12. 12.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  13. 13.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) goes to the last screen
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Search (d) Home
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Badges”
    4. tap the Search tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 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. tap the Feed tab
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Badges (d) Feed
  19. 19.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Edit photo
  21. 21.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  22. 22.🧭 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
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. tap the Me tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Edit photo
  24. 24.🧭 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. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Me
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 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
  28. 28.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  29. 29.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Help page (d) Quiz
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) shows 3 to 5 icons (d) hides extra links
  35. 35.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Edit photo (c) Lessons (d) Quiz
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Feed tab
    5. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Score card
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Settings
  39. 39.🧭 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”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Match report”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Match report

Answer key

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

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