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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 671 · 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.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Edit photo (d) Profile
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Chat tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Friend list
  6. 6.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) shows 3 to 5 icons (d) hides extra links
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Map”
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Home (c) Map (d) Search
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    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 “Match report”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Edit photo
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Edit photo (d) Profile
  11. 11.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  12. 12.🧭 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
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    5. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Help page (c) Edit photo (d) Feed
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Edit photo (d) Help page
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap the Search tab
    4. open “Badges”
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Home (c) Friend list (d) Score card
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Map
  19. 19.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) hides extra links (d) switches main sections
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap the Lessons tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Video (d) Friend list
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Video (d) Home
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Friend list (d) Home
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Friend list”
    4. open “Video”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) sits at the bottom (d) opens a list of pages
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Edit photo (c) Search (d) Profile
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Friend list (d) Edit photo
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) shows 3 to 5 icons (d) undoes one move
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Settings tab
    4. open “Friend list”
    5. open “Map”
    Which screen are you on now?     (a) Friend list (b) Badges (c) Help page (d) Map
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Video (b) Feed (c) Settings (d) Chat
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Lessons tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Home tab
    4. tap the Profile tab
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Edit photo
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap the Lessons tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Help page (c) Edit photo (d) Lessons
  37. 37.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) hides extra links (d) undoes one move
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Home tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Help page
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Help page (d) Map

Answer key

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

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