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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 625 · 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.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    5. open “Score card”
    Which screen are you on now?     (a) Badges (b) Feed (c) Score card (d) Help page
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. open “Video”
    4. open “Friend list”
    Which screen are you on now?     (a) Video (b) Chat (c) Friend list (d) Feed
  5. 5.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) goes to the last screen (d) closes all apps
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Map”
    3. tap the Chat tab
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of the back button? (a) goes to the last screen (b) switches main sections (c) shows 3 to 5 icons (d) sits at the bottom
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Help page”
    3. tap the Lessons tab
    4. open “Friend list”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Help page (c) Quiz (d) Lessons
  9. 9.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) in the middle (c) inside a button (d) at the bottom
  10. 10.🧭 Why should every screen show where you are? (a) to hide the menu (b) to look busy (c) to use more battery (d) so users do not get lost
  11. 11.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Edit photo”
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Home (d) Search
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Quiz (b) Video (c) Edit photo (d) Lessons
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap the Quiz tab
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Quiz (c) Lessons (d) Map
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Match report”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Quiz (d) Match report
  16. 16.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) undoes one move (d) shows 3 to 5 icons
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Score card”
    3. open “Help page”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Help page (c) Score card (d) Home
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Map”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 20 (d) 3 to 5
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Edit photo”
    3. open “Score card”
    Which screen are you on now?     (a) Home (b) Edit photo (c) Score card (d) Search
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. tap the Home tab
    Which screen are you on now?     (a) Badges (b) Search (c) Profile (d) Home
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Map
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Badges”
    3. tap Back
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Lessons tab
    4. open “Map”
    5. open “Score card”
    Which screen are you on now?     (a) Lessons (b) Score card (c) Map (d) Help page
  26. 26.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap the Chat tab
    4. open “Edit photo”
    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 Lessons tab
    2. tap the Quiz tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Lessons tab
    4. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Match report (d) Quiz
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Badges”
    3. tap the Search tab
    4. open “Match report”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Badges (c) Match report (d) Map
  30. 30.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) the back button (c) a menu button
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. tap the Me tab
    4. open “Match report”
    5. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Lessons (c) Quiz (d) Me
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap the Chat tab
    5. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Help page (d) Friend list
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Home tab
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Video (d) Home
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. tap Back
    5. open “Score card”
    Which screen are you on now?     (a) Match report (b) Feed (c) Score card (d) Map
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  37. 37.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Score card”
    Which screen are you on now?     (a) Score card (b) Match report (c) Search (d) Home
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Match report”
    4. tap the Settings tab
    5. open “Video”
    Which screen are you on now?     (a) Feed (b) Video (c) Match report (d) Badges
  40. 40.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) undoes one move (c) sits at the bottom (d) hides extra links

Answer key

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

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