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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 708 · 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.

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

Answer key

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

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