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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 114 · 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 part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Friend list (d) Home
  3. 3.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) closes all apps (d) deletes the page
  5. 5.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) undoes one move (d) sits at the bottom
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Profile (d) Map
  7. 7.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) opens a list of pages
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Feed tab
    4. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Friend list (c) Feed (d) Settings
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Search
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Quiz (c) Lessons (d) Match report
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Score card”
    Which screen are you on now?     (a) Feed (b) Chat (c) Score card (d) Edit photo
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Friend list”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Edit photo
  14. 14.🧭 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
    Which screen are you on now?     (a) Settings (b) Match report (c) Feed (d) Chat
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Home tab
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Badges (b) Home (c) Map (d) Edit photo
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Search
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Quiz (b) Score card (c) Lessons (d) Map
  22. 22.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) undoes one move
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Feed tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Help page (b) Settings (c) Feed (d) Chat
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Score card”
    Which screen are you on now?     (a) Me (b) Score card (c) Quiz (d) Lessons
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 Why should every screen show where you are? (a) to use more battery (b) to hide the menu (c) so users do not get lost (d) to look busy
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Video”
    5. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Video (c) Friend list (d) Badges
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Score card”
    3. tap the Settings tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Friend list (b) Score card (c) Help page (d) Settings
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Chat (c) Help page (d) Feed
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Search tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Match report (b) Profile (c) Home (d) Search
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Home (d) Search
  33. 33.Which of these is true of a tab bar? (a) opens a list of pages (b) sits at the bottom (c) hides extra links (d) undoes one move
  34. 34.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
  35. 35.Which of these is true of a menu button? (a) undoes one move (b) hides extra links (c) sits at the bottom (d) switches main sections
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    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?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. open “Map”
    Which screen are you on now?     (a) Feed (b) Map (c) Chat (d) Badges
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap Back
    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. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. open “Map”
    5. open “Edit photo”
    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. open “Video”
    2. open “Map”
    3. tap Back
    4. tap the Search tab
    5. open “Match report”
    Which screen are you on now?     (a) Home (b) Video (c) Match report (d) Map

Answer key

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

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