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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 468 · 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. tap the Settings tab
    2. open “Edit photo”
    3. open “Score card”
    4. tap Back
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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
  3. 3.🧭 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
    Which screen are you on now?     (a) Search (b) Map (c) Friend list (d) Home
  4. 4.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  5. 5.Which of these is true of the back button? (a) sits at the bottom (b) goes to the last screen (c) opens a list of pages (d) hides extra links
  6. 6.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) the phone settings (d) that tab’s main screen
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  9. 9.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  10. 10.Which of these is true of the back button? (a) switches main sections (b) hides extra links (c) undoes one move (d) opens a list of pages
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Help page”
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Help page (d) Map
  12. 12.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) closes all apps (d) goes to the last screen
  13. 13.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 1 (c) 20 (d) 3 to 5
  14. 14.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) hides extra links (d) goes to the last screen
  15. 15.🧭 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 “Map”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Match report (d) Search
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Badges”
    4. tap Back
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Help page”
    3. tap the Quiz tab
    4. tap the Me tab
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Help page (d) Me
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Score card”
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Badges (c) Edit photo (d) Home
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Edit photo”
    3. open “Help page”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Score card (d) Help page
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Friend list
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Settings tab
    3. open “Help page”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Me tab
    4. open “Video”
    5. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Video (c) Edit photo (d) Me
  25. 25.Which of these is true of a menu button? (a) sits at the bottom (b) hides extra links (c) switches main sections (d) undoes one move
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Badges”
    4. open “Edit photo”
    5. open “Map”
    Which screen are you on now?     (a) Edit photo (b) Home (c) Map (d) Badges
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Match report”
    4. tap Back
    5. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Badges
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Video”
    4. open “Badges”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Quiz tab
    3. open “Badges”
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Me (d) Quiz
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. tap the Home tab
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now?     (a) Friend list (b) Match report (c) Video (d) Badges
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Search tab
    3. open “Video”
    Which screen are you on now?     (a) Home (b) Friend list (c) Search (d) Video
  33. 33.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) switches main sections (d) opens a list of pages
  34. 34.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Edit photo”
    3. open “Match report”
    4. open “Edit photo”
    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. tap the Profile tab
    2. tap the Profile tab
    3. tap the Home tab
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Profile (c) Home
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Feed tab
    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. tap the Lessons tab
    2. tap the Quiz tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Search tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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