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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 440 · 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.

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

Answer key

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

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