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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 151 · 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.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) to look busy (d) so users do not get lost
  2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) at the bottom (d) inside a button
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Score card”
    4. tap the Lessons tab
    5. open “Badges”
    Which screen are you on now?     (a) Score card (b) Badges (c) Quiz (d) Lessons
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Friend list”
    3. tap the Chat tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Friend list (d) Chat
  5. 5.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) hides extra links (d) goes to the last screen
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  8. 8.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Quiz (d) Video
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Video
  12. 12.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) undoes one move
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. open “Score card”
    4. open “Map”
    5. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Score card
  15. 15.Which of these is true of a menu button? (a) goes to the last screen (b) switches main sections (c) shows 3 to 5 icons (d) opens a list of pages
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Match report”
    4. tap the Home tab
    5. open “Friend list”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Match report
  17. 17.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Score card”
    Which screen are you on now?     (a) Profile (b) Search (c) Score card (d) Home
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap Back
    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 “Friend list”
    2. tap Back
    3. open “Score card”
    4. open “Match report”
    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 “Edit photo”
    2. tap the Profile tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Edit photo
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Video (b) Lessons (c) Edit photo (d) Map
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings 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. tap the Profile tab
    2. open “Match report”
    3. open “Badges”
    4. tap the Home tab
    5. open “Score card”
    Which screen are you on now?     (a) Match report (b) Home (c) Score card (d) Badges
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Edit photo”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Chat tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    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 “Help page”
    2. open “Map”
    3. open “Match report”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Help page (c) Search (d) Map
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. tap Back
    4. tap the Profile tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Help page (c) Search (d) Home
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Search (b) Home (c) Match report (d) Profile
  31. 31.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  32. 32.🧭 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
    4. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Match report (d) Settings
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Video (c) Settings (d) Feed
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Edit photo”
    4. open “Friend list”
    5. open “Score card”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Friend list (d) Score card
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. tap the Settings tab
    4. open “Video”
    Which screen are you on now?     (a) Help page (b) Video (c) Feed (d) Chat
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. tap the Search tab
    4. open “Video”
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Edit photo
  38. 38.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) hides extra links (d) sits at the bottom
  39. 39.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) switches main sections (d) shows 3 to 5 icons
  40. 40.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen

Answer key

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

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