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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 584 · 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. tap the Feed tab
    2. open “Badges”
    3. tap the Settings tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Badges (d) Feed
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap Back
    4. tap the Me 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 “Badges”
    2. tap the Profile tab
    3. open “Score card”
    4. open “Video”
    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 Feed tab
    2. tap the Feed tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Help page”
    4. open “Help page”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Help page
  6. 6.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) switches main sections (d) sits at the bottom
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Settings tab
    4. open “Friend list”
    5. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Home tab
    4. open “Score card”
    Which screen are you on now?     (a) Map (b) Score card (c) Edit photo (d) Home
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    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. tap the Profile tab
    2. tap the Home tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Edit photo
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. tap the Settings tab
    Which screen are you on now?     (a) Video (b) Badges (c) Feed (d) Settings
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Lessons tab
    4. tap the Lessons tab
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Lessons (b) Match report (c) Quiz (d) Friend list
  15. 15.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Friend list
  17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) hides extra links
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 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
  21. 21.Which of these is true of a menu button? (a) goes to the last screen (b) hides extra links (c) sits at the bottom (d) switches main sections
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. tap the Search tab
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Video (b) Friend list (c) Map (d) Home
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Help page (d) Score card
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Settings tab
    4. open “Badges”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Search tab
    Which screen are you on now?     (a) Map (b) Search (c) Profile (d) Home
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. tap the Settings tab
    4. open “Edit photo”
    5. tap Back
    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. open “Badges”
    2. open “Match report”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Badges (d) Match report
  29. 29.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  30. 30.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Help page”
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Feed tab
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Match report
  33. 33.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) that tab’s main screen (d) the last app used
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Me tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Video (b) Lessons (c) Help page (d) Me
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Edit photo”
    4. tap the Quiz 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 “Badges”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Badges (b) Feed (c) Help page (d) Match report
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) undoes one move (d) opens a list of pages
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Score card”
    Which screen are you on now?     (a) Video (b) Quiz (c) Score card (d) Lessons

Answer key

  1. Settings
  2. 0
  3. 1
  4. 1
  5. Lessons
  6. goes to the last screen
  7. 2
  8. Score card
  9. 1
  10. Edit photo
  11. Settings
  12. 1
  13. so users do not get lost
  14. Quiz
  15. goes to the last screen
  16. Match report
  17. switches main sections
  18. 3 to 5
  19. 1
  20. at the bottom
  21. hides extra links
  22. Friend list
  23. Score card
  24. 2
  25. 0
  26. Search
  27. 0
  28. Profile
  29. a tab bar
  30. a menu button
  31. 3
  32. Match report
  33. that tab’s main screen
  34. Me
  35. 0
  36. Match report
  37. Home
  38. 0
  39. undoes one move
  40. Score card

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