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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 652 · 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 Search tab
    2. open “Score card”
    3. open “Edit photo”
    4. tap Back
    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. open “Match report”
    2. open “Map”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap the Me tab
    3. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.Which of these is true of the back button? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  5. 5.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. open “Score card”
    4. open “Edit photo”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) goes to the last screen (d) shows 3 to 5 icons
  8. 8.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
  9. 9.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Profile tab
    4. tap the Home tab
    Which screen are you on now?     (a) Profile (b) Video (c) Search (d) Home
  10. 10.Which of these is true of a menu button? (a) shows 3 to 5 icons (b) switches main sections (c) goes to the last screen (d) hides extra links
  11. 11.🧭 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
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Video”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Map”
    3. tap the Quiz tab
    4. open “Match report”
    5. tap the Quiz tab
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap Back
    4. open “Badges”
    5. tap Back
    Which screen are you on now?     (a) Lessons (b) Edit photo (c) Badges (d) Quiz
  15. 15.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  16. 16.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. open “Friend list”
    4. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Map”
    3. tap Back
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Map”
    3. tap Back
    4. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 What does the back button usually do? (a) goes to the last screen (b) closes all apps (c) opens settings (d) deletes the page
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Friend list”
    3. open “Match report”
    Which screen are you on now?     (a) Friend list (b) Lessons (c) Match report (d) Map
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap Back
    5. open “Badges”
    Which screen are you on now?     (a) Video (b) Match report (c) Badges (d) Home
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Me tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Me
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. tap the Home tab
    3. open “Badges”
    4. tap the Search tab
    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 Lessons tab
    2. tap the Lessons tab
    3. open “Edit photo”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Edit photo (d) Me
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Video
  27. 27.Which of these is true of a menu button? (a) switches main sections (b) undoes one move (c) goes to the last screen (d) opens a list of pages
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Lessons tab
    4. open “Video”
    Which screen are you on now?     (a) Lessons (b) Video (c) Quiz (d) Friend list
  30. 30.🧭 Which part of navigation opens a list of pages? (a) the back button (b) a menu button (c) a tab bar
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    5. tap the Profile tab
    Which screen are you on now?     (a) Map (b) Match report (c) Profile (d) Home
  32. 32.🧭 Which part of navigation hides extra links? (a) a tab bar (b) the back button (c) a menu button
  33. 33.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Feed tab
    3. tap the Chat tab
    4. open “Match report”
    5. tap Back
    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. open “Badges”
    2. tap Back
    3. open “Edit photo”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of the back button? (a) sits at the bottom (b) switches main sections (c) undoes one move (d) opens a list of pages
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Help page”
    3. tap Back
    4. open “Friend list”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Map (c) Friend list (d) Help page
  38. 38.🧭 About how many tabs suit a tab bar best? (a) 3 to 5 (b) 10 to 12 (c) 1 (d) 20
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Settings tab
    3. open “Help page”
    Which screen are you on now?     (a) Feed (b) Edit photo (c) Chat (d) Help page
  40. 40.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Friend list”
    3. open “Badges”
    Which screen are you on now?     (a) Match report (b) Badges (c) Friend list (d) Home

Answer key

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

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