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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 407 · 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. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Lessons (d) Quiz
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. open “Help page”
    4. tap the Lessons tab
    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. open “Video”
    2. tap Back
    3. tap the Home tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) in the middle (d) nowhere
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Lessons (b) Match report (c) Friend list (d) Video
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    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 “Edit photo”
    2. tap the Home tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Map (c) Edit photo (d) Search
  11. 11.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Video
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Video”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  17. 17.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Chat tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Settings (c) Chat (d) Feed
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Settings tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Map (b) Chat (c) Feed (d) Settings
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Match report
  21. 21.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  22. 22.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
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. open “Help page”
    4. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Help page (c) Video (d) Chat
  24. 24.🧭 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”
    Which screen are you on now?     (a) Lessons (b) Me (c) Badges (d) Quiz
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Map”
    4. tap the Feed tab
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Map (c) Feed (d) Score card
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of the back button? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) sits at the bottom
  28. 28.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me (d) Map
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Map”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  32. 32.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  33. 33.Which of these is true of a menu button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) undoes one move
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Edit photo (b) Search (c) Profile (d) Home
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Map”
    Which screen are you on now?     (a) Help page (b) Quiz (c) Lessons (d) Map
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Map
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. tap the Home tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Match report (c) Feed (d) Chat
  40. 40.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar

Answer key

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

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