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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 380 · 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 Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Help page”
    5. tap the Profile tab
    Which screen are you on now?     (a) Help page (b) Home (c) Profile (d) Score card
  2. 2.Which of these is true of the back button? (a) goes to the last screen (b) sits at the bottom (c) opens a list of pages (d) hides extra links
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  5. 5.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) opens settings (d) goes to the last screen
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) nowhere (c) in the middle (d) at the bottom
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Lessons tab
    3. open “Score card”
    4. open “Map”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Map
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Me
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Me tab
    3. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?
  10. 10.Which of these is true of the back button? (a) shows 3 to 5 icons (b) sits at the bottom (c) undoes one move (d) switches main sections
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now?     (a) Match report (b) Video (c) Feed (d) Chat
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap the Profile tab
    4. open “Match report”
    5. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Map (d) Search
  15. 15.Which of these is true of a tab bar? (a) goes to the last screen (b) sits at the bottom (c) undoes one move (d) opens a list of pages
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Video”
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Video (c) Quiz (d) Lessons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Video”
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Video
  19. 19.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Home tab
    4. tap the Search tab
    5. open “Friend list”
    Which screen are you on now?     (a) Friend list (b) Home (c) Search (d) Badges
  20. 20.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 20 (c) 10 to 12 (d) 1
  21. 21.Which of these is true of a menu button? (a) undoes one move (b) goes to the last screen (c) switches main sections (d) opens a list of pages
  22. 22.🧭 Which part of navigation undoes one move? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  24. 24.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  25. 25.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Map”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Map (b) Me (c) Quiz (d) Lessons
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Friend list”
    3. tap the Search tab
    4. tap the Profile tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Friend list (d) Home
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Score card”
    4. open “Help page”
    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) undoes one move (b) sits at the bottom (c) hides extra links (d) shows 3 to 5 icons
  30. 30.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Edit photo (d) Match report
  31. 31.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Home (c) Friend list (d) Video
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Video”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Video (b) Score card (c) Quiz (d) Lessons
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Match report”
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Map (b) Badges (c) Friend list (d) Match report
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Friend list (c) Badges (d) Match report
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Edit photo”
    3. open “Friend list”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Friend list
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Badges”
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Video
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap Back
    Which screen are you on now?     (a) Search (b) Edit photo (c) Home (d) Badges
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Score card”
    4. open “Score card”
    5. tap the Feed tab
    Which screen are you on now?     (a) Help page (b) Chat (c) Feed (d) Score card
  40. 40.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) switches main sections (d) opens a list of pages

Answer key

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

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