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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 731 · 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 part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    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) sits at the bottom (b) goes to the last screen (c) hides extra links (d) undoes one move
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. tap Back
    4. tap the Me tab
    5. open “Edit photo”
    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 “Help page”
    3. open “Score card”
    4. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Score card (c) Home (d) Search
  6. 6.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Settings (b) Match report (c) Chat (d) Feed
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Video
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Match report”
    4. open “Badges”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Match report (c) Badges (d) Help page
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Settings tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Settings (b) Score card (c) Match report (d) Map
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. tap the Profile tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Search (c) Edit photo (d) Home
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Friend list (d) Badges
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Help page (d) Chat
  14. 14.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) to hide the menu (d) so users do not get lost
  15. 15.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  16. 16.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  17. 17.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Search tab
    4. open “Match report”
    5. tap the Home tab
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Badges
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Video”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Map (b) Video (c) Edit photo (d) Lessons
  21. 21.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  22. 22.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Score card”
    4. tap the Home tab
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Search
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Home tab
    4. open “Badges”
    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. tap the Me tab
    2. open “Friend list”
    3. tap Back
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Quiz (d) Match report
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Video (d) Me
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Match report (d) Score card
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Match report
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Lessons tab
    4. open “Badges”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Quiz (c) Lessons (d) Badges
  32. 32.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Map”
    4. tap the Lessons tab
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Map
  34. 34.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) hides extra links
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. tap the Chat tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Settings
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Match report”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Map
  38. 38.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Search 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. open “Score card”
    2. tap the Profile tab
    3. open “Friend list”
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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