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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 577 · 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 opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  2. 2.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) opens a list of pages (c) hides extra links (d) undoes one move
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. tap the Home tab
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) goes to the last screen (c) sits at the bottom (d) hides extra links
  6. 6.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Map”
    4. tap Back
    5. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Map (c) Lessons (d) Quiz
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Match report (b) Feed (c) Badges (d) Help page
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Video”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Video (c) Me (d) Lessons
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. open “Help page”
    4. tap the Home tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Friend list (d) Home
  12. 12.Which of these is true of a tab bar? (a) switches main sections (b) hides extra links (c) goes to the last screen (d) undoes one move
  13. 13.Which of these is true of a tab bar? (a) sits at the bottom (b) opens a list of pages (c) undoes one move (d) goes to the last screen
  14. 14.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 10 to 12 (d) 3 to 5
  15. 15.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) deletes the page (d) opens settings
  16. 16.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  17. 17.🧭 Which part of navigation switches main sections? (a) the back button (b) a tab bar (c) a menu button
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Chat tab
    3. tap the Chat tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Badges
  19. 19.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) nowhere (d) inside a button
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Chat (b) Help page (c) Map (d) Feed
  21. 21.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Video”
    3. open “Badges”
    Which screen are you on now?     (a) Feed (b) Video (c) Match report (d) Badges
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Score card”
    Which screen are you on now?     (a) Help page (b) Score card (c) Edit photo (d) Lessons
  23. 23.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to look busy (c) to use more battery (d) to hide the menu
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Friend list (c) Match report (d) Quiz
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Match report”
    3. tap the Search tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Help page
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Chat (b) Match report (c) Feed (d) Score card
  27. 27.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) a tab bar (c) the back button
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Feed (c) Match report (d) Chat
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Map
  30. 30.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Help page”
    3. tap the Feed tab
    4. open “Help page”
    Which screen are you on now?     (a) Chat (b) Help page (c) Score card (d) Feed
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Video
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. open “Badges”
    4. open “Video”
    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. tap the Profile tab
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Search (c) Profile
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. open “Badges”
    4. tap the Feed tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Quiz (d) Lessons
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Me tab
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Me (d) Lessons
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Badges”
    4. open “Map”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Map (d) Badges

Answer key

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

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