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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 470 · 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 Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Help page
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Match report”
    4. tap the Me tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. tap the Lessons tab
    4. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Score card
  7. 7.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) switches main sections
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Profile (c) Score card (d) Search
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap the Chat tab
    5. tap the Feed tab
    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 “Video”
    2. open “Friend list”
    3. tap the Profile tab
    4. open “Edit photo”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Lessons (d) Badges
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap Back
    4. open “Friend list”
    5. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Edit photo (d) Friend list
  16. 16.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Profile tab
    4. open “Map”
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Badges (d) Map
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Help page”
    4. tap the Search tab
    5. open “Match report”
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Help page
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Feed (c) Settings (d) Score card
  21. 21.🧭 What does the back button usually do? (a) deletes the page (b) goes to the last screen (c) closes all apps (d) opens settings
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Quiz tab
    4. open “Help page”
    Which screen are you on now?     (a) Quiz (b) Help page (c) Video (d) Lessons
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Badges”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Score card
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Map”
    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. open “Badges”
    2. tap Back
    3. tap the Home tab
    4. open “Help page”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Help page
  26. 26.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Lessons (c) Quiz (d) Friend list
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Badges (b) Score card (c) Feed (d) Chat
  29. 29.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  30. 30.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) goes to the last screen (d) sits at the bottom
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Profile (b) Home (c) Search (d) Edit photo
  32. 32.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) that tab’s main screen (d) the last app used
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  35. 35.🧭 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”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Profile tab
    4. tap the Search tab
    5. open “Video”
    Which screen are you on now?     (a) Friend list (b) Search (c) Home (d) Video
  37. 37.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) undoes one move (d) shows 3 to 5 icons
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Badges”
    3. tap Back
    4. tap the Lessons tab
    5. tap the Me 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 “Match report”
    2. open “Badges”
    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 “Video”
    2. open “Video”
    3. tap the Search tab
    4. tap the Search tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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