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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 23 · 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. tap the Profile tab
    2. open “Video”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. tap the Me tab
    4. open “Friend list”
    5. tap the Lessons tab
    Which screen are you on now?     (a) Friend list (b) Quiz (c) Badges (d) Lessons
  3. 3.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) nowhere (c) at the bottom (d) inside a button
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Help page”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Settings (b) Feed (c) Chat (d) Help page
  6. 6.🧭 Which part of navigation switches main sections? (a) a menu button (b) a tab bar (c) the back button
  7. 7.🧭 What does the back button usually do? (a) opens settings (b) goes to the last screen (c) deletes the page (d) closes all apps
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Home tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Search (b) Video (c) Score card (d) Home
  9. 9.Which of these is true of a menu button? (a) undoes one move (b) switches main sections (c) hides extra links (d) shows 3 to 5 icons
  10. 10.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a tab bar (c) a menu button
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Help page”
    3. open “Edit photo”
    4. tap Back
    Which screen are you on now?     (a) Edit photo (b) Score card (c) Help page (d) Lessons
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Search
  13. 13.Which of these is true of a menu button? (a) switches main sections (b) sits at the bottom (c) goes to the last screen (d) opens a list of pages
  14. 14.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Match report”
    3. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 1 (c) 10 to 12 (d) 20
  17. 17.Which of these is true of the back button? (a) sits at the bottom (b) opens a list of pages (c) switches main sections (d) undoes one move
  18. 18.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. open “Score card”
    3. tap Back
    4. open “Video”
    Which screen are you on now?     (a) Feed (b) Score card (c) Video (d) Chat
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Help page”
    3. open “Match report”
    4. tap the Settings tab
    Which screen are you on now?     (a) Match report (b) Help page (c) Settings (d) Edit photo
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Edit photo”
    4. tap the Lessons tab
    5. open “Map”
    Which screen are you on now?     (a) Lessons (b) Map (c) Edit photo (d) Help page
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    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 Settings tab
    2. open “Score card”
    3. tap the Settings tab
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Score card
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. open “Help page”
    4. tap the Quiz tab
    5. 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. tap the Quiz tab
    2. open “Badges”
    3. open “Match report”
    4. open “Score card”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Badges (b) Score card (c) Match report (d) Quiz
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Edit photo (d) Friend list
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Chat (b) Map (c) Settings (d) Feed
  28. 28.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Help page (d) Feed
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Badges”
    3. open “Map”
    4. tap the Search tab
    5. tap the Profile tab
    Which screen are you on now?     (a) Badges (b) Map (c) Profile (d) Home
  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. 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?
  32. 32.Which of these is true of the back button? (a) opens a list of pages (b) switches main sections (c) sits at the bottom (d) goes to the last screen
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Friend list”
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Friend list
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Profile
  35. 35.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Edit photo”
    3. open “Map”
    4. open “Map”
    5. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) the back button (c) a tab bar
  37. 37.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a tab bar (c) a menu button
  38. 38.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) goes to the last screen
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. open “Video”
    4. tap the Search tab
    5. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. open “Match report”
    Which screen are you on now?     (a) Settings (b) Chat (c) Feed (d) Match report

Answer key

  1. 2
  2. Lessons
  3. at the bottom
  4. 2
  5. Chat
  6. a tab bar
  7. goes to the last screen
  8. Home
  9. hides extra links
  10. a menu button
  11. Help page
  12. Profile
  13. opens a list of pages
  14. shows 3 to 5 icons
  15. 0
  16. 3 to 5
  17. undoes one move
  18. Video
  19. 1
  20. Settings
  21. Map
  22. 1
  23. Settings
  24. 1
  25. Quiz
  26. Friend list
  27. Chat
  28. Feed
  29. Profile
  30. a tab bar
  31. 1
  32. goes to the last screen
  33. Quiz
  34. Profile
  35. 0
  36. the back button
  37. a tab bar
  38. switches main sections
  39. 1
  40. Match report

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