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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 633 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Help page”
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Help page (d) Badges
  2. 2.🧭 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. open “Badges”
    Which screen are you on now?     (a) Search (b) Friend list (c) Badges (d) Home
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap the Me tab
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Edit photo (d) Friend list
  5. 5.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) inside a button (d) at the bottom
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Search (d) Home
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    4. tap the Feed tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Profile 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. tap the Home tab
    2. tap the Profile tab
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Map (d) Friend list
  14. 14.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) undoes one move (d) opens a list of pages
  15. 15.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Match report (d) Video
  17. 17.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  18. 18.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) switches main sections (d) shows 3 to 5 icons
  19. 19.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) goes to the last screen (d) switches main sections
  20. 20.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) sits at the bottom (d) opens a list of pages
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Friend list”
    4. tap the Me tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Video”
    4. tap the Settings tab
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Video (c) Edit photo (d) Match report
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Badges”
    4. tap Back
    5. open “Friend list”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Friend list
  24. 24.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Help page (c) Home (d) Search
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Settings (b) Friend list (c) Feed (d) Chat
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Me (c) Quiz (d) Lessons
  28. 28.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  29. 29.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Badges (c) Edit photo (d) Quiz
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Help page (c) Feed (d) Chat
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Match report
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Friend list (d) Settings
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Help page (c) Chat (d) Match report
  36. 36.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) switches main sections
  40. 40.🧭 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
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons

Answer key

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

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