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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 560 · 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.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) opens a list of pages (d) shows 3 to 5 icons
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Badges”
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Friend list”
    4. tap the Me tab
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 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
  5. 5.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  6. 6.Which of these is true of a tab bar? (a) undoes one move (b) sits at the bottom (c) goes to the last screen (d) hides extra links
  7. 7.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
  8. 8.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 20 (d) 1
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Me tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Map”
    Which screen are you on now?
    (a) Feed (b) Map (c) Edit photo (d) Friend list
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. open “Map”
    4. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. open “Score card”
    4. tap the Chat tab
    Which screen are you on now?
    (a) Chat (b) Score card (c) Settings (d) Feed
  13. 13.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Friend list”
    4. tap Back
    5. tap Back
    Which screen are you on now?
    (a) Chat (b) Friend list (c) Feed (d) Badges
  15. 15.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) goes to the last screen
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Quiz tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Video”
    Which screen are you on now?
    (a) Edit photo (b) Video (c) Feed (d) Chat
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. tap Back
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.Which of these is true of the back button? (a) hides extra links (b) shows 3 to 5 icons (c) undoes one move (d) switches main sections
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. open “Map”
    4. open “Friend list”
    Which screen are you on now?
    (a) Feed (b) Map (c) Friend list (d) Edit photo
  21. 21.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. tap Back
    5. open “Match report”
    Which screen are you on now?
    (a) Lessons (b) Badges (c) Match report (d) Map
  23. 23.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Search tab
    3. tap the Profile tab
    Which screen are you on now?
    (a) Profile (b) Search (c) Home (d) Map
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Lessons tab
    3. open “Match report”
    Which screen are you on now?
    (a) Match report (b) Quiz (c) Video (d) Lessons
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. open “Help page”
    4. tap Back
    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. open “Edit photo”
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap the Feed tab
    Which screen are you on now?
    (a) Edit photo (b) Feed (c) Chat (d) Settings
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. open “Match report”
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. open “Badges”
    Which screen are you on now?
    (a) Lessons (b) Badges (c) Video (d) Help page
  31. 31.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  32. 32.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?
    (a) Quiz (b) Video (c) Badges (d) Lessons
  34. 34.Which of these is true of a tab bar? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) shows 3 to 5 icons
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Search tab
    3. open “Video”
    4. tap Back
    Which screen are you on now?
    (a) Edit photo (b) Search (c) Home (d) Video
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?
    (a) Help page (b) Home (c) Score card (d) Search
  37. 37.Which of these is true of the back button? (a) switches main sections (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. open “Match report”
    4. tap the Home tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Why should every screen show where you are? (a) to hide the menu (b) to use more battery (c) to look busy (d) so users do not get lost
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap the Feed tab
    Which screen are you on now?
    (a) Feed (b) Match report (c) Friend list (d) Chat

Answer key

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

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