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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 503 · 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. tap the Quiz tab
    2. open “Map”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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
    Which screen are you on now?     (a) Search (b) Friend list (c) Profile (d) Home
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Badges”
    3. open “Edit photo”
    Which screen are you on now?     (a) Edit photo (b) Badges (c) Feed (d) Chat
  4. 4.🧭 Why should every screen show where you are? (a) to use more battery (b) to look busy (c) so users do not get lost (d) to hide the menu
  5. 5.🧭 Where is a tab bar usually placed in a phone app? (a) inside a button (b) in the middle (c) at the bottom (d) nowhere
  6. 6.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 1 (c) 3 to 5 (d) 10 to 12
  7. 7.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Settings tab
    3. open “Score card”
    4. open “Friend list”
    5. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Profile tab
    3. tap the Profile tab
    4. tap the Profile tab
    5. open “Edit photo”
    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) switches main sections (b) shows 3 to 5 icons (c) undoes one move (d) hides extra links
  11. 11.🧭 What does the back button usually do? (a) opens settings (b) deletes the page (c) goes to the last screen (d) closes all apps
  12. 12.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Edit photo”
    4. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Lessons tab
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Map (b) Quiz (c) Lessons (d) Me
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. tap the Home tab
    4. open “Map”
    5. tap the Home tab
    Which screen are you on now?     (a) Home (b) Profile (c) Map (d) Search
  16. 16.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) hides extra links (c) opens a list of pages (d) undoes one move
  17. 17.🧭 Which part of navigation sits at the bottom? (a) a menu button (b) a tab bar (c) the back button
  18. 18.Which of these is true of the back button? (a) opens a list of pages (b) hides extra links (c) goes to the last screen (d) switches main sections
  19. 19.Which of these is true of a menu button? (a) opens a list of pages (b) sits at the bottom (c) goes to the last screen (d) shows 3 to 5 icons
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap Back
    3. open “Friend list”
    4. open “Badges”
    Which screen are you on now?     (a) Map (b) Friend list (c) Home (d) Badges
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap the Me tab
    4. open “Video”
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Match report
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) shows 3 to 5 icons (d) hides extra links
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Me tab
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Badges”
    3. open “Score card”
    4. open “Map”
    5. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Video (c) Score card (d) Feed
  28. 28.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Lessons (b) Me (c) Score card (d) Match report
  31. 31.🧭 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
    Which screen are you on now?     (a) Lessons (b) Help page (c) Me (d) Quiz
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Edit photo”
    3. tap Back
    4. tap the Search tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Edit photo
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap Back
    3. tap the Settings tab
    4. open “Friend list”
    Which screen are you on now?     (a) Chat (b) Friend list (c) Settings (d) Feed
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Friend list”
    3. tap Back
    4. open “Friend list”
    Which screen are you on now?     (a) Match report (b) Feed (c) Chat (d) Friend list
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Edit photo”
    3. tap Back
    4. open “Help page”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Friend list”
    5. open “Badges”
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Friend list
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap Back
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now?     (a) Edit photo (b) Map (c) Home (d) Friend list
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Match report (d) Search
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. tap the Me tab
    3. tap the Me tab
    4. open “Map”
    5. tap the Me tab
    Which screen are you on now?     (a) Quiz (b) Map (c) Me (d) Lessons

Answer key

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

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