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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 139 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Me (c) Quiz (d) Video
  2. 2.🧭 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
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. tap the Search tab
    4. tap the Home tab
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. 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) to hide the menu (b) to use more battery (c) so users do not get lost (d) to look busy
  6. 6.Which of these is true of a menu button? (a) undoes one move (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Score card (b) Chat (c) Feed (d) Settings
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Video (b) Me (c) Quiz (d) Lessons
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Help page”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) closes all apps (d) deletes the page
  11. 11.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) opens a list of pages (d) undoes one move
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Video (d) Profile
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Me tab
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Map (c) Me (d) Edit photo
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap the Settings tab
    4. open “Match report”
    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 “Map”
    2. open “Match report”
    3. tap Back
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Map (c) Match report (d) Feed
  19. 19.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Search tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Match report (b) Map (c) Search (d) Home
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Match report”
    3. tap Back
    4. open “Edit photo”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Score card (d) Chat
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. open “Edit photo”
    4. tap the Search tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap Back
    4. tap the Profile tab
    5. open “Match report”
    Which screen are you on now?     (a) Profile (b) Home (c) Match report (d) Search
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Score card”
    4. tap the Lessons tab
    5. tap the Me tab
    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. tap the Feed tab
    2. open “Map”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) the phone settings (c) a random page (d) that tab’s main screen
  29. 29.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Friend list”
    3. tap the Search tab
    4. open “Match report”
    5. tap the Search 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 Profile tab
    2. tap the Profile tab
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Video (b) Badges (c) Lessons (d) Quiz
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Map
  34. 34.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  35. 35.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  36. 36.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) hides extra links
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Edit photo”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 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 “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Help page
  39. 39.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  40. 40.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 1 (d) 10 to 12

Answer key

  1. Video
  2. at the bottom
  3. 1
  4. 1
  5. so users do not get lost
  6. hides extra links
  7. Chat
  8. Lessons
  9. 0
  10. goes to the last screen
  11. opens a list of pages
  12. 0
  13. Profile
  14. 1
  15. 2
  16. Me
  17. 1
  18. Feed
  19. a menu button
  20. Search
  21. 0
  22. the back button
  23. Feed
  24. 1
  25. Match report
  26. 0
  27. 2
  28. that tab’s main screen
  29. goes to the last screen
  30. 0
  31. 0
  32. Lessons
  33. Video
  34. a tab bar
  35. a tab bar
  36. undoes one move
  37. 2
  38. Badges
  39. a menu button
  40. 3 to 5

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