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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 809 · 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 “Edit photo”
    2. open “Edit photo”
    3. open “Help page”
    4. open “Match report”
    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. open “Badges”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Friend list”
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Match report (c) Feed (d) Friend list
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Profile
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Score card”
    Which screen are you on now?     (a) Friend list (b) Search (c) Score card (d) Home
  6. 6.Which of these is true of a menu button? (a) hides extra links (b) undoes one move (c) shows 3 to 5 icons (d) sits at the bottom
  7. 7.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) goes to the last screen (d) opens a list of pages
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  11. 11.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Help page”
    4. tap Back
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Edit photo”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) undoes one move
  15. 15.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Search tab
    4. tap the Search tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Badges
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. open “Map”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Edit photo (d) Feed
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Video (c) Search (d) Edit photo
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Map”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Map
  25. 25.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Me tab
    4. open “Map”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Map (d) Match report
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  29. 29.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  30. 30.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Badges”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Help page”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Help page (d) Lessons
  33. 33.Which of these is true of a tab bar? (a) sits at the bottom (b) hides extra links (c) undoes one move (d) opens a list of pages
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    4. tap the Home tab
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Score card”
    3. open “Help page”
    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. open “Map”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Help page”
    Which screen are you on now?     (a) Map (b) Lessons (c) Quiz (d) Help page
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Video”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Search (d) Home
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Score card”
    3. tap the Quiz tab
    4. open “Map”
    5. open “Badges”
    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. tap the Profile tab
    2. open “Edit photo”
    3. open “Map”
    4. open “Badges”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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