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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 748 · 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 the Quiz tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Edit photo (d) Quiz
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Friend list”
    5. tap the Settings tab
    Which screen are you on now?     (a) Match report (b) Settings (c) Friend list (d) Feed
  3. 3.🧭 Which part of navigation switches main sections? (a) the back button (b) a menu button (c) a tab bar
  4. 4.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  5. 5.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Me (d) Lessons
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
  10. 10.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Map”
    3. open “Video”
    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) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Me tab
    4. tap the Me tab
    5. 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 a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) sits at the bottom (d) hides extra links
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  17. 17.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  18. 18.Which of these is true of a tab bar? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. open “Friend list”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Quiz tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Quiz (d) Lessons
  22. 22.Which of these is true of a menu button? (a) opens a list of pages (b) shows 3 to 5 icons (c) switches main sections (d) undoes one move
  23. 23.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Edit photo”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Map
  25. 25.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
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Friend list”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. open “Badges”
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Badges
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Lessons (d) Match report
  30. 30.Which of these is true of the back button? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) hides extra links
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Match report (c) Map (d) Settings
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Settings tab
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Map (c) Feed (d) Match report
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) to hide the menu (d) so users do not get lost
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Help page (d) Badges
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Profile (d) Home
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Score card”
    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 Profile tab
    2. tap the Profile tab
    3. open “Badges”
    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. open “Score card”
    2. tap the Quiz tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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