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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 533 · 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. open “Score card”
    2. open “Match report”
    3. tap Back
    4. tap the Lessons tab
    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. tap the Feed tab
    2. tap the Settings tab
    3. open “Video”
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  4. 4.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. tap the Me tab
    4. open “Map”
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Me (b) Quiz (c) Map (d) Lessons
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Score card”
    4. tap the Chat tab
    Which screen are you on now?
    (a) Chat (b) Score card (c) Feed (d) Settings
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Map”
    4. tap Back
    5. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Lessons tab
    Which screen are you on now?
    (a) Friend list (b) Lessons (c) Quiz (d) Help page
  8. 8.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Friend list”
    3. tap the Chat tab
    4. open “Help page”
    Which screen are you on now?
    (a) Feed (b) Chat (c) Friend list (d) Help page
  10. 10.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 3 to 5 (c) 10 to 12 (d) 1
  11. 11.Which of these is true of a tab bar? (a) goes to the last screen (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  12. 12.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) shows 3 to 5 icons (d) hides extra links
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Home tab
    4. tap the Search tab
    5. open “Badges”
    Which screen are you on now?
    (a) Score card (b) Match report (c) Badges (d) Home
  14. 14.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) sits at the bottom (d) goes to the last screen
  15. 15.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Badges”
    3. tap the Feed tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?
    (a) Badges (b) Chat (c) Score card (d) Feed
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Score card”
    3. tap the Profile tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Video”
    4. tap the Quiz tab
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Feed tab
    Which screen are you on now?
    (a) Chat (b) Settings (c) Feed
  21. 21.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  22. 22.🧭 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) Search (b) Profile (c) Match report (d) Home
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. open “Video”
    5. tap Back
    Which screen are you on now?
    (a) Home (b) Match report (c) Video (d) Search
  24. 24.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Settings tab
    4. open “Score card”
    5. open “Edit photo”
    Which screen are you on now?
    (a) Score card (b) Edit photo (c) Feed (d) Match report
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap the Profile tab
    Which screen are you on now?
    (a) Map (b) Profile (c) Home (d) Search
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Feed tab
    Which screen are you on now?
    (a) Feed (b) Chat (c) Match report (d) Edit photo
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Score card”
    5. 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. tap the Home tab
    3. open “Score card”
    4. tap the Search tab
    Which screen are you on now?
    (a) Friend list (b) Search (c) Home (d) Score card
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Help page”
    3. tap the Settings tab
    Which screen are you on now?
    (a) Help page (b) Settings (c) Feed (d) Chat
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) a random page (c) the last app used (d) the phone settings
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. tap the Lessons tab
    4. open “Video”
    Which screen are you on now?
    (a) Lessons (b) Quiz (c) Match report (d) Video
  32. 32.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Quiz tab
    5. open “Help page”
    Which screen are you on now?
    (a) Lessons (b) Help page (c) Map (d) Edit photo
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?
    (a) Lessons (b) Score card (c) Friend list (d) Video
  35. 35.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) switches main sections (d) undoes one move
  36. 36.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. tap the Lessons tab
    4. tap the Me tab
    5. open “Edit photo”
    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 “Map”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Badges”
    5. open “Badges”
    Which screen are you on now?
    (a) Search (b) Home (c) Badges (d) Map
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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