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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 128 · 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 “Help page”
    2. tap the Home tab
    3. open “Help page”
    Which screen are you on now?     (a) Help page (b) Profile (c) Search (d) Home
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. open “Help page”
    3. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. open “Help page”
    Which screen are you on now?     (a) Badges (b) Home (c) Match report (d) Help page
  4. 4.🧭 What does the back button usually do? (a) closes all apps (b) goes to the last screen (c) opens settings (d) deletes the page
  5. 5.Which of these is true of a tab bar? (a) undoes one move (b) switches main sections (c) opens a list of pages (d) hides extra links
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Score card”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Video”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Video (d) Quiz
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap the Chat tab
    3. tap the Settings tab
    4. tap the Feed tab
    5. open “Video”
    Which screen are you on now?     (a) Map (b) Video (c) Chat (d) Feed
  9. 9.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 1 (d) 20
  10. 10.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) the back button (c) a menu button
  11. 11.Which of these is true of the back button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) hides extra links
  12. 12.Which of these is true of a tab bar? (a) opens a list of pages (b) shows 3 to 5 icons (c) goes to the last screen (d) undoes one move
  13. 13.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  14. 14.🧭 Which part of navigation undoes one move? (a) a tab bar (b) a menu button (c) the back button
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Settings (b) Edit photo (c) Feed (d) Chat
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Edit photo”
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Feed (d) Match report
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Lessons tab
    3. tap the Lessons tab
    4. open “Video”
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Badges (c) Lessons (d) Quiz
  18. 18.Which of these is true of a tab bar? (a) undoes one move (b) goes to the last screen (c) sits at the bottom (d) opens a list of pages
  19. 19.Which of these is true of the back button? (a) shows 3 to 5 icons (b) opens a list of pages (c) goes to the last screen (d) sits at the bottom
  20. 20.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Score card”
    3. open “Edit photo”
    Which screen are you on now?     (a) Home (b) Score card (c) Friend list (d) Edit photo
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Match report”
    Which screen are you on now?     (a) Me (b) Quiz (c) Match report (d) Lessons
  23. 23.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    5. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  25. 25.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) in the middle (d) inside a button
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  27. 27.🧭 Which part of navigation goes to the last screen? (a) the back button (b) a tab bar (c) a menu button
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. tap the Search tab
    Which screen are you on now?     (a) Help page (b) Home (c) Search (d) Score card
  30. 30.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Badges”
    Which screen are you on now?     (a) Badges (b) Lessons (c) Help page (d) Quiz
  31. 31.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Badges”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 Which part of navigation hides extra links? (a) the back button (b) a tab bar (c) a menu button
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Match report
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Search tab
    3. open “Match report”
    4. open “Match report”
    Which screen are you on now?     (a) Profile (b) Search (c) Match report (d) Home
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Home tab
    3. open “Edit photo”
    4. open “Video”
    Which screen are you on now?     (a) Score card (b) Video (c) Edit photo (d) Home
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Help page”
    4. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Edit photo”
    4. open “Score card”
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Home tab
    4. open “Score card”
    5. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Home (c) Help page (d) Friend list
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Home tab
    3. open “Friend list”
    4. open “Score card”
    5. open “Badges”
    Which screen are you on now?     (a) Badges (b) Score card (c) Home (d) Friend list

Answer key

  1. Help page
  2. 0
  3. Help page
  4. goes to the last screen
  5. switches main sections
  6. 3
  7. Lessons
  8. Video
  9. 3 to 5
  10. a menu button
  11. undoes one move
  12. shows 3 to 5 icons
  13. a tab bar
  14. the back button
  15. Edit photo
  16. Match report
  17. Badges
  18. sits at the bottom
  19. goes to the last screen
  20. a tab bar
  21. Edit photo
  22. Match report
  23. a tab bar
  24. 3
  25. at the bottom
  26. 2
  27. the back button
  28. 1
  29. Search
  30. Badges
  31. 2
  32. a menu button
  33. Lessons
  34. 0
  35. Match report
  36. Video
  37. 0
  38. 3
  39. Friend list
  40. Badges

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