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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 703 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Help page (c) Feed (d) Score card
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Video
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Search (c) Help page (d) Home
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Badges (b) Lessons (c) Me (d) Quiz
  5. 5.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Friend list (d) Search
  7. 7.🧭 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”
    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 “Score card”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  10. 10.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) hides extra links
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Friend list
  12. 12.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Map”
    3. open “Friend list”
    4. tap the Lessons 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) sits at the bottom (b) undoes one move (c) switches main sections (d) shows 3 to 5 icons
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Match report”
    4. tap the Me tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Video (c) Score card (d) Quiz
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Score card (b) Match report (c) Lessons (d) Quiz
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Profile tab
    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 “Badges”
    2. tap the Settings tab
    3. open “Badges”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. open “Help page”
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Badges (c) Match report (d) Help page
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Quiz tab
    5. open “Video”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Video
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Map”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Feed (c) Map (d) Help page
  25. 25.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) hides extra links (d) undoes one move
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap Back
    4. open “Map”
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Friend list (d) Map
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Map”
    3. open “Edit photo”
    Which screen are you on now?     (a) Map (b) Feed (c) Edit photo (d) Score card
  30. 30.🧭 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 the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Me (c) Map (d) Lessons
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Match report”
    4. tap Back
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Match report
  33. 33.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) switches main sections
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Feed tab
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  38. 38.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) in the middle (d) nowhere
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Video”
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Video
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. open “Match report”
    4. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Match report

Answer key

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

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