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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 305 · 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 “Match report”
    2. open “Score card”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Score card (d) Match report
  2. 2.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  3. 3.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    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?
  5. 5.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to hide the menu (c) to look busy (d) to use more battery
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Profile (b) Home (c) Help page (d) Search
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Badges”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings (d) Match report
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Search tab
    3. open “Friend list”
    4. open “Score card”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Score card
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a tab bar? (a) opens a list of pages (b) goes to the last screen (c) switches main sections (d) hides extra links
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Help page (d) Search
  17. 17.Which of these is true of the back button? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) shows 3 to 5 icons
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile
  19. 19.🧭 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 Feed tab
    4. open “Friend list”
    Which screen are you on now?     (a) Settings (b) Feed (c) Friend list (d) Chat
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Video”
    4. tap the Lessons tab
    Which screen are you on now?     (a) Quiz (b) Video (c) Lessons (d) Me
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  22. 22.🧭 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”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Quiz (d) Me
  24. 24.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  25. 25.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  26. 26.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) the last app used (c) a random page (d) that tab’s main screen
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. open “Help page”
    4. tap Back
    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 “Friend list”
    2. open “Match report”
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now?     (a) Friend list (b) Home (c) Map (d) Match report
  29. 29.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) nowhere (d) at the bottom
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Feed tab
    3. tap the Feed tab
    4. tap the Chat tab
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Score card (c) Feed (d) Chat
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    4. open “Badges”
    5. tap the Quiz tab
    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. tap the Chat tab
    2. tap the Settings tab
    3. open “Badges”
    4. tap the Feed tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. open “Match report”
    4. open “Video”
    5. tap Back
    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 “Match report”
    2. open “Video”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Score card (d) Search
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Video”
    5. tap the Feed tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Video
  38. 38.Which of these is true of the back button? (a) switches main sections (b) goes to the last screen (c) shows 3 to 5 icons (d) opens a list of pages
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Score card”
    4. open “Map”
    5. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Score card (c) Map (d) Chat

Answer key

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

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