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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 391 · 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.

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

Answer key

  1. 0
  2. 0
  3. 0
  4. 2
  5. goes to the last screen
  6. a tab bar
  7. Video
  8. 2
  9. Badges
  10. Lessons
  11. 0
  12. 3 to 5
  13. Settings
  14. Badges
  15. the back button
  16. Friend list
  17. 1
  18. Lessons
  19. opens a list of pages
  20. Badges
  21. Map
  22. Map
  23. goes to the last screen
  24. Chat
  25. the back button
  26. undoes one move
  27. Me
  28. Score card
  29. Profile
  30. at the bottom
  31. Map
  32. sits at the bottom
  33. Quiz
  34. Lessons
  35. 1
  36. Friend list
  37. 2
  38. 2
  39. 0
  40. Map

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