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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 54 · 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.🧭 What does the back button usually do? (a) goes to the last screen (b) opens settings (c) deletes the page (d) closes all apps
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Friend list (d) Chat
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) shows 3 to 5 icons (d) sits at the bottom
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) at the bottom (c) nowhere (d) in the middle
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Profile tab
    4. open “Help page”
    Which screen are you on now?     (a) Home (b) Help page (c) Map (d) Search
  7. 7.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Match report”
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.Which of these is true of a menu button? (a) goes to the last screen (b) opens a list of pages (c) shows 3 to 5 icons (d) sits at the bottom
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Chat tab
    3. open “Map”
    4. open “Match report”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Feed (d) Match report
  10. 10.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) shows 3 to 5 icons (d) goes to the last screen
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. open “Edit photo”
    5. tap the Settings tab
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Settings (d) Video
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Friend list (d) Search
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Match report”
    3. tap the Search tab
    4. open “Match report”
    5. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Profile (c) Match report (d) Home
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Video”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a tab bar? (a) goes to the last screen (b) switches main sections (c) opens a list of pages (d) undoes one move
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Chat (c) Feed (d) Edit photo
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    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 “Help page”
    2. tap Back
    3. open “Badges”
    4. open “Friend list”
    5. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Edit photo (c) Friend list (d) Badges
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Map (d) Chat
  22. 22.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Settings tab
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Lessons tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. tap the Home tab
    4. tap the Search tab
    5. tap the Search tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Match report (d) Search
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Video”
    3. open “Badges”
    4. tap Back
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. tap the Chat tab
    4. tap the Feed tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Feed (d) Match report
  33. 33.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 20 (d) 10 to 12
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Match report”
    Which screen are you on now?     (a) Profile (b) Match report (c) Search (d) Home
  37. 37.Which of these is true of a tab bar? (a) sits at the bottom (b) undoes one move (c) goes to the last screen (d) hides extra links
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Friend list (c) Video (d) Chat
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap Back
    4. open “Video”
    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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

  1. goes to the last screen
  2. Edit photo
  3. 0
  4. goes to the last screen
  5. at the bottom
  6. Help page
  7. 0
  8. opens a list of pages
  9. Match report
  10. shows 3 to 5 icons
  11. 0
  12. Settings
  13. Home
  14. Profile
  15. 2
  16. 2
  17. switches main sections
  18. Edit photo
  19. 1
  20. Edit photo
  21. Chat
  22. a tab bar
  23. 0
  24. a tab bar
  25. Settings
  26. 1
  27. Search
  28. 0
  29. that tab’s main screen
  30. 1
  31. 0
  32. Edit photo
  33. 3 to 5
  34. 0
  35. a tab bar
  36. Match report
  37. sits at the bottom
  38. Video
  39. 2
  40. 0

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