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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 42 · 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 “Friend list”
    2. tap the Chat tab
    3. open “Map”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    5. open “Help page”
    Which screen are you on now?     (a) Badges (b) Help page (c) Video (d) Edit photo
  3. 3.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Settings tab
    4. open “Match report”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Friend list
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Friend list
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Which part of navigation undoes one move? (a) the back button (b) a tab bar (c) a menu button
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Profile (c) Search (d) Home
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Video (c) Feed (d) Settings
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Map”
    3. open “Badges”
    4. open “Edit photo”
    5. open “Edit photo”
    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 “Edit photo”
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 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
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. open “Badges”
    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 “Help page”
    2. open “Friend list”
    3. tap the Settings tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Settings (b) Help page (c) Match report (d) Friend list
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap Back
    Which screen are you on now?     (a) Score card (b) Chat (c) Friend list (d) Feed
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  23. 23.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) goes to the last screen (d) hides extra links
  24. 24.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to hide the menu (d) to use more battery
  25. 25.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) that tab’s main screen (c) a random page (d) the last app used
  27. 27.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Settings
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. tap the Home tab
    4. open “Match report”
    5. open “Edit photo”
    Which screen are you on now?     (a) Score card (b) Home (c) Match report (d) Edit photo
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Match report”
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Match report
  31. 31.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Badges (b) Feed (c) Edit photo (d) Chat
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Badges”
    3. tap the Lessons tab
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Badges
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. open “Badges”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Badges (b) Lessons (c) Me (d) Quiz
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. open “Match report”
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Map (d) Home
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Lessons (d) Score card
  39. 39.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) sits at the bottom (d) hides extra links
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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