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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 205 · 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.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Friend list”
    3. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Friend list (c) Edit photo (d) Home
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    Which screen are you on now?     (a) Score card (b) Match report (c) Video (d) Home
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) nowhere (c) in the middle (d) inside a button
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Profile tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Profile (d) Search
  7. 7.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. tap the Home tab
    4. open “Help page”
    Which screen are you on now?     (a) Search (b) Help page (c) Map (d) Home
  11. 11.🧭 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
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Badges”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Help page”
    4. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Help page
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Help page
  17. 17.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Score card
  19. 19.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  20. 20.🧭 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
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    4. open “Match report”
    5. open “Badges”
    Which screen are you on now?     (a) Help page (b) Feed (c) Badges (d) Match report
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. open “Badges”
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Friend list
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Match report (c) Quiz (d) Lessons
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Map (c) Quiz (d) Lessons
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap Back
    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. open “Badges”
    2. open “Friend list”
    3. tap the Feed tab
    4. open “Match report”
    5. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Badges (c) Friend list (d) Feed
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Search
  29. 29.Which of these is true of the back button? (a) goes to the last screen (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) hides extra links (d) opens a list of pages
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. tap the Lessons tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. open “Help page”
    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. tap the Feed tab
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Badges (d) Chat
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. open “Video”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    4. tap the Quiz tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Map”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) switches main sections

Answer key

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

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