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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 49 · 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.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Video”
    4. open “Help page”
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Badges (c) Video (d) Help page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Search tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Match report
  3. 3.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Chat (c) Feed (d) Friend list
  5. 5.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) sits at the bottom
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    4. tap the Search tab
    Which screen are you on now?     (a) Score card (b) Home (c) Profile (d) Search
  8. 8.Which of these is true of the back button? (a) opens a list of pages (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 3 to 5 (d) 1
  10. 10.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  11. 11.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap the Home tab
    5. open “Score card”
    Which screen are you on now?     (a) Score card (b) Home (c) Edit photo (d) Help page
  13. 13.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. open “Match report”
    4. open “Help page”
    5. tap Back
    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 “Match report”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Match report (d) Search
  16. 16.🧭 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
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) undoes one move
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Video”
    3. open “Video”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Settings tab
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Video (b) Settings (c) Edit photo (d) Feed
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. tap the Feed tab
    4. open “Match report”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  24. 24.🧭 Why should every screen show where you are? (a) to hide the menu (b) so users do not get lost (c) to look busy (d) to use more battery
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Search (d) Score card
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    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) undoes one move (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Friend list”
    3. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Friend list (d) Video
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap the Home tab
    4. open “Friend list”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.Which of these is true of a tab bar? (a) switches main sections (b) goes to the last screen (c) undoes one move (d) hides extra links
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Map”
    Which screen are you on now?     (a) Me (b) Map (c) Quiz (d) Lessons
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Search tab
    3. open “Video”
    4. tap the Profile tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, 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?
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Feed (c) Badges (d) Video
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. open “Friend list”
    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?
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. tap the Profile tab
    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. open “Video”
    2. open “Edit photo”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. open “Match report”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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