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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 485 · 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. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Badges”
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Badges”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Map”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Map (d) Badges
  6. 6.🧭 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
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) switches main sections
  8. 8.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) hides extra links
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Map (c) Score card (d) Edit photo
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Help page”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Help page
  15. 15.Which of these is true of a menu button? (a) opens a list of pages (b) goes to the last screen (c) sits at the bottom (d) shows 3 to 5 icons
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Badges”
    4. tap the Feed 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. tap the Search tab
    2. open “Map”
    3. tap Back
    4. open “Video”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Map (c) Home (d) Match report
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Match report (c) Search (d) Profile
  20. 20.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  21. 21.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Map
  23. 23.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
  24. 24.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  27. 27.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Edit photo
  30. 30.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Feed tab
    5. open “Help page”
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Help page
  34. 34.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  35. 35.🧭 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
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Match report
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Badges (d) Quiz
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Help page”
    4. tap the Home tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Home tab
    4. open “Help page”
    5. tap Back
    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. open “Match report”
    2. open “Video”
    3. tap Back
    4. tap the Chat tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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