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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 280 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Badges”
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  3. 3.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  4. 4.🧭 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
  5. 5.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Home (c) Search
  6. 6.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  7. 7.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  8. 8.Which of these is true of a menu button? (a) sits at the bottom (b) shows 3 to 5 icons (c) opens a list of pages (d) switches main sections
  9. 9.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Badges (d) Match report
  10. 10.🧭 What does the back button usually do? (a) deletes the page (b) opens settings (c) closes all apps (d) goes to the last screen
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. open “Map”
    4. tap Back
    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. open “Edit photo”
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Search (d) Home
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Edit photo”
    3. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Edit photo (c) Home (d) Search
  14. 14.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap the Feed tab
    3. open “Match report”
    4. tap the Feed tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.Which of these is true of a menu button? (a) switches main sections (b) hides extra links (c) sits at the bottom (d) shows 3 to 5 icons
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) switches main sections (d) hides extra links
  18. 18.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. open “Match report”
    4. open “Help page”
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Friend list (d) Help page
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap the Profile tab
    3. open “Map”
    4. tap Back
    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. tap the Home tab
    2. open “Badges”
    3. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Search (c) Home (d) Profile
  22. 22.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) sits at the bottom
  23. 23.🧭 Which part of navigation hides extra links? (a) a menu button (b) a tab bar (c) the back button
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap the Search tab
    3. open “Help page”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. tap the Chat tab
    4. open “Help page”
    5. tap the Feed 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. open “Video”
    2. tap Back
    3. open “Friend list”
    4. open “Edit photo”
    5. open “Friend list”
    Which screen are you on now?     (a) Lessons (b) Video (c) Friend list (d) Edit photo
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Badges”
    3. open “Help page”
    4. open “Video”
    5. tap the Search tab
    Which screen are you on now?     (a) Badges (b) Search (c) Video (d) Help page
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Profile tab
    3. open “Score card”
    4. tap Back
    5. open “Help page”
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Help page
  29. 29.🧭 Why should every screen show where you are? (a) so users do not get lost (b) to use more battery (c) to hide the menu (d) to look busy
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Badges (d) Lessons
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Score card (c) Search (d) Profile
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Map”
    3. open “Help page”
    4. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Map (c) Feed (d) Help page
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Map (b) Search (c) Profile (d) Home
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Match report”
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Search tab
    4. open “Help page”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.Which of these is true of the back button? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) goes to the last screen
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. tap Back
    5. tap the Home tab
    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. open “Help page”
    2. open “Score card”
    3. tap the Settings tab
    4. open “Edit photo”
    Which screen are you on now?     (a) Help page (b) Score card (c) Feed (d) Edit photo
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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