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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 200 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Map
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Lessons (d) Quiz
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Edit photo (d) Chat
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Friend list”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Map”
    3. tap the Lessons tab
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Score card”
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. tap the Profile tab
    4. tap the Home tab
    5. open “Score card”
    Which screen are you on now?     (a) Home (b) Score card (c) Map (d) Help page
  11. 11.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Home (c) Video (d) Search
  13. 13.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) opens a list of pages (d) goes to the last screen
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Help page
  15. 15.🧭 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
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, 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?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Map”
    5. tap the Chat tab
    Which screen are you on now?     (a) Badges (b) Score card (c) Chat (d) Map
  18. 18.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Help page
  21. 21.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) hides extra links (d) switches main sections
  22. 22.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) a random page (c) the phone settings (d) that tab’s main screen
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. open “Match report”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Score card (c) Video (d) Match report
  24. 24.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 3 to 5 (d) 20
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap the Feed tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Badges”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.Which of these is true of a menu button? (a) sits at the bottom (b) switches main sections (c) opens a list of pages (d) undoes one move
  28. 28.Which of these is true of a menu button? (a) hides extra links (b) switches main sections (c) sits at the bottom (d) shows 3 to 5 icons
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Search (d) Match report
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Match report (d) Me
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Profile
  32. 32.Which of these is true of the back button? (a) opens a list of pages (b) sits at the bottom (c) undoes one move (d) switches main sections
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Chat (d) Feed
  35. 35.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to look busy (d) to hide the menu
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Edit photo (b) Friend list (c) Feed (d) Chat
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. open “Match report”
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Match report

Answer key

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

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