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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 102 · 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 of these is true of a menu button? (a) goes to the last screen (b) shows 3 to 5 icons (c) sits at the bottom (d) hides extra links
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. open “Video”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Map (b) Score card (c) Help page (d) Video
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) hides extra links (d) opens a list of pages
  8. 8.🧭 Which part of navigation hides extra links? (a) a menu button (b) the back button (c) a tab bar
  9. 9.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) undoes one move
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Profile (c) Score card (d) Search
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Video”
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Video
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Video”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Map (c) Profile (d) Video
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Help page (c) Lessons (d) Me
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Friend list”
    4. tap the Me tab
    Which screen are you on now?     (a) Help page (b) Me (c) Friend list (d) Lessons
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Score card (c) Video (d) Search
  23. 23.🧭 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
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Match report (d) Chat
  25. 25.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Map”
    4. open “Score card”
    5. tap the Me tab
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Map (d) Me
  27. 27.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Edit photo”
    4. open “Match report”
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Friend list (d) Lessons
  29. 29.🧭 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 Settings tab
    Which screen are you on now?     (a) Video (b) Feed (c) Match report (d) Settings
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Badges”
    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) hides extra links (d) switches main sections
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Friend list (b) Help page (c) Home (d) Search
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Video
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Video”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Friend list”
    4. tap the Quiz tab
    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. open “Video”
    2. open “Friend list”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Friend list (c) Video (d) Home
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the phone settings (c) a random page (d) the last app used

Answer key

  1. hides extra links
  2. 1
  3. 3
  4. 2
  5. Help page
  6. 1
  7. goes to the last screen
  8. a menu button
  9. sits at the bottom
  10. Score card
  11. 0
  12. 1
  13. goes to the last screen
  14. Video
  15. 3
  16. a tab bar
  17. Profile
  18. Me
  19. 0
  20. 3 to 5
  21. Me
  22. Video
  23. at the bottom
  24. Match report
  25. the back button
  26. Me
  27. undoes one move
  28. Friend list
  29. Settings
  30. 1
  31. switches main sections
  32. Help page
  33. Chat
  34. 1
  35. 2
  36. 3
  37. 0
  38. Search
  39. 0
  40. that tab’s main screen

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