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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 483 · 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 “Match report”
    2. tap the Home tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Settings tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 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. tap the Feed tab
    Which screen are you on now?     (a) Match report (b) Settings (c) Feed (d) Chat
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Video (b) Match report (c) Quiz (d) Lessons
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Video”
    3. tap Back
    4. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Video (d) Search
  6. 6.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  7. 7.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Video
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Score card (c) Chat (d) Feed
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. open “Match report”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. open “Friend list”
    4. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Search (c) Friend list (d) Home
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Chat tab
    4. tap the Chat tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Score card”
    3. open “Video”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Video (c) Score card (d) Feed
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Help page”
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Help page (c) Match report (d) Friend list
  15. 15.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  16. 16.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) shows 3 to 5 icons (d) opens a list of pages
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Map”
    4. tap the Profile tab
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Help page”
    4. tap the Feed tab
    5. open “Help page”
    Which screen are you on now?     (a) Help page (b) Feed (c) Chat (d) Match report
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) nowhere (d) inside a button
  20. 20.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Profile (c) Video (d) Search
  22. 22.Which of these is true of a tab bar? (a) goes to the last screen (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. tap Back
    4. open “Badges”
    5. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Badges (d) Score card
  24. 24.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Map”
    3. open “Match report”
    Which screen are you on now?     (a) Home (b) Help page (c) Map (d) Match report
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap the Settings tab
    3. open “Badges”
    4. open “Friend list”
    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. open “Friend list”
    2. tap Back
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Friend list (c) Match report (d) Feed
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Video”
    3. open “Map”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Map (b) Video (c) Lessons (d) Match report
  30. 30.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) undoes one move (d) opens a list of pages
  31. 31.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Home tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Score card
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. open “Video”
    Which screen are you on now?     (a) Friend list (b) Video (c) Quiz (d) Lessons
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Friend list”
    3. tap the Quiz tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Friend list
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Friend list (c) Profile (d) Home
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. open “Edit photo”
    5. tap the Lessons 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. tap the Settings tab
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Match report
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) shows 3 to 5 icons (d) hides extra links
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Help page”
    4. tap the Home tab
    5. tap the Search tab
    Which screen are you on now?     (a) Match report (b) Search (c) Home (d) Help page

Answer key

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

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