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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 173 · 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 of these is true of the back button? (a) undoes one move (b) switches main sections (c) sits at the bottom (d) opens a list of pages
  2. 2.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) inside a button (c) nowhere (d) in the middle
  3. 3.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  4. 4.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 20 (c) 1 (d) 3 to 5
  5. 5.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons 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 “Map”
    2. tap Back
    3. open “Badges”
    4. tap Back
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Score card”
    3. tap the Chat tab
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Score card
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Settings tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.🧭 Which part of navigation hides extra links? (a) a tab bar (b) a menu button (c) the back button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Me tab
    3. tap the Me tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Profile tab
    3. tap the Search tab
    4. tap the Search tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Edit photo”
    4. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Edit photo (c) Profile (d) Home
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. open “Score card”
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Score card
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Help page
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Edit photo”
    3. tap Back
    4. tap the Chat tab
    5. open “Badges”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Badges (d) Score card
  17. 17.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Quiz tab
    4. tap the Quiz tab
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Why should every screen show where you are? (a) to look busy (b) so users do not get lost (c) to use more battery (d) to hide the menu
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap Back
    3. open “Video”
    4. tap Back
    Which screen are you on now?     (a) Friend list (b) Video (c) Search (d) Home
  21. 21.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) sits at the bottom (c) hides extra links (d) undoes one move
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. tap the Search tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Search (b) Edit photo (c) Badges (d) Home
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Badges”
    3. open “Score card”
    4. tap the Home tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Map”
    4. open “Match report”
    5. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Match report
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Video (c) Match report (d) Badges
  29. 29.Which of these is true of a menu button? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) switches main sections
  30. 30.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) hides extra links
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Search (c) Help page (d) Home
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Score card”
    3. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  34. 34.🧭 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. open “Friend list”
    5. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Badges”
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Badges (c) Edit photo (d) Home
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Friend list (d) Edit photo
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Video”
    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 Home tab
    2. tap the Profile tab
    3. open “Video”
    4. tap the Home tab
    5. open “Map”
    Which screen are you on now?     (a) Home (b) Video (c) Map (d) Search
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Match report (c) Home (d) Search
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Map”
    3. tap the Feed tab
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Map

Answer key

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

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