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App Dev Worksheet: Navigation

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

Answer key

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

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