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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 642 · 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 “Friend list”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Me (c) Lessons (d) Quiz
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Match report
  3. 3.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  4. 4.🧭 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
  5. 5.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. open “Badges”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Badges (b) Quiz (c) Me (d) Lessons
  7. 7.Which of these is true of a menu button? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) switches main sections
  8. 8.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) opens settings (d) closes all apps
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. tap Back
    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 “Match report”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Match report (b) Home (c) Profile (d) Search
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Match report”
    4. open “Badges”
    5. open “Map”
    Which screen are you on now?     (a) Help page (b) Badges (c) Match report (d) Map
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Badges (c) Chat (d) Edit photo
  13. 13.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) switches main sections
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.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) opens a list of pages
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Help page”
    4. open “Score card”
    5. tap the Feed tab
    Which screen are you on now?     (a) Score card (b) Help page (c) Friend list (d) Feed
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Video (b) Home (c) Badges (d) Search
  20. 20.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  21. 21.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Friend list
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Quiz (d) Video
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. tap the Settings tab
    4. tap the Feed tab
    5. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Video
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Me tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) hides extra links (d) sits at the bottom
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Friend list (d) Home
  33. 33.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Home 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. open “Friend list”
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Friend list (b) Edit photo (c) Home (d) Map
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. open “Score card”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Score card”
    4. open “Match report”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Map”
    4. open “Video”
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Video
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Video”
    4. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Video
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Video (d) Quiz

Answer key

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

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