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App Dev Worksheet: Navigation

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

Answer key

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

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