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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 544 · 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.Which of these is true of a tab bar? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) goes to the last screen
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Friend list”
    4. open “Edit photo”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. 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. open “Edit photo”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Edit photo (d) Match report
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Edit photo”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Lessons (d) Badges
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Chat (d) Feed
  7. 7.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Map (d) Edit photo
  9. 9.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. open “Video”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Video (c) Edit photo (d) Home
  12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) goes to the last screen
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  14. 14.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  15. 15.Which of these is true of the back button? (a) hides extra links (b) goes to the last screen (c) shows 3 to 5 icons (d) sits at the bottom
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Map”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Feed (d) Map
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Home tab
    Which screen are you on now?     (a) Map (b) Search (c) Home (d) Match report
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Score card”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap Back
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) hides extra links
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Video”
    4. tap the Profile tab
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Score card
  26. 26.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  27. 27.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Match report (c) Search (d) Home
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Video”
    3. tap Back
    4. open “Match report”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Home tab
    3. tap the Search tab
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Score card
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Chat tab
    4. tap the Settings tab
    5. tap the Settings tab
    Which screen are you on now?     (a) Match report (b) Score card (c) Feed (d) Settings
  33. 33.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Home (c) Search (d) Video
  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”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Help page
  36. 36.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  37. 37.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Help page”
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Search
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Score card”
    4. open “Friend list”
    Which screen are you on now?     (a) Home (b) Video (c) Friend list (d) Score card
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Quiz tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Help page (c) Quiz (d) Video

Answer key

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

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