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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 555 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap the Search tab
    5. open “Match report”
    Which screen are you on now?     (a) Video (b) Match report (c) Search (d) Home
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. open “Badges”
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Map (c) Badges (d) Edit photo
  3. 3.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Help page (c) Profile (d) Badges
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Score card
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Badges
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Edit photo”
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Edit photo
  8. 8.Which of these is true of the back button? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  9. 9.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) undoes one move (d) opens a list of pages
  10. 10.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  11. 11.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  12. 12.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
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Settings (b) Match report (c) Feed (d) Chat
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Map”
    4. tap the Profile tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. open “Edit photo”
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap the Feed tab
    4. open “Badges”
    Which screen are you on now?     (a) Feed (b) Chat (c) Match report (d) Badges
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Map”
    Which screen are you on now?     (a) Match report (b) Map (c) Chat (d) Feed
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Me tab
    3. open “Score card”
    4. tap Back
    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. open “Help page”
    2. tap Back
    3. tap the Profile tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Video”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Video (b) Search (c) Badges (d) Home
  25. 25.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Me (c) Edit photo (d) Lessons
  28. 28.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    4. open “Video”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. tap the Quiz tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Quiz (d) Me
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Home (c) Search (d) Profile
  33. 33.Which of these is true of the back button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) sits at the bottom
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Settings tab
    3. open “Friend list”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Score card (b) Feed (c) Match report (d) Chat
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Home tab
    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?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Feed (c) Map (d) Settings
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Map”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Me (d) Map
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Friend list”
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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