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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 852 · 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 “Match report”
    2. open “Help page”
    3. open “Video”
    4. tap Back
    5. open “Map”
    Which screen are you on now?     (a) Match report (b) Map (c) Video (d) Help page
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Match report”
    3. open “Score card”
    4. tap Back
    5. 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 “Match report”
    2. open “Match report”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Match report”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  5. 5.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) goes to the last screen (d) deletes the page
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Search (b) Home (c) Map (d) Edit photo
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.🧭 Which part of navigation shows 3 to 5 icons? (a) a tab bar (b) a menu button (c) the back button
  10. 10.🧭 Tapping a tab usually takes you to ___. (a) the phone settings (b) a random page (c) the last app used (d) that tab’s main screen
  11. 11.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Video”
    3. open “Friend list”
    4. tap Back
    5. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) inside a button (c) at the bottom (d) in the middle
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Map”
    3. tap Back
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Profile
  14. 14.🧭 Which part of navigation sits at the bottom? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Search tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  17. 17.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Lessons tab
    3. open “Badges”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Quiz (d) Badges
  18. 18.🧭 Which part of navigation opens a list of pages? (a) a tab bar (b) a menu button (c) the back button
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap the Chat tab
    3. open “Badges”
    Which screen are you on now?     (a) Chat (b) Settings (c) Badges (d) Feed
  20. 20.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. tap the Search tab
    4. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 10 to 12 (c) 3 to 5 (d) 20
  22. 22.Which of these is true of a menu button? (a) opens a list of pages (b) switches main sections (c) goes to the last screen (d) sits at the bottom
  23. 23.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap Back
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. tap Back
    4. open “Match report”
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Match report
  25. 25.🧭 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 “Match report”
    Which screen are you on now?     (a) Home (b) Help page (c) Match report (d) Edit photo
  26. 26.Which of these is true of the back button? (a) undoes one move (b) shows 3 to 5 icons (c) hides extra links (d) switches main sections
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap the Chat tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Feed (c) Chat (d) Help page
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Map”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Friend list”
    3. tap the Chat tab
    Which screen are you on now?     (a) Friend list (b) Chat (c) Feed (d) Settings
  30. 30.🧭 Which part of navigation hides extra links? (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 “Score card”
    2. tap Back
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Quiz (c) Lessons (d) Map
  32. 32.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Score card (b) Badges (c) Home (d) Help page
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Help page”
    3. open “Score card”
    4. tap Back
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. tap the Chat tab
    3. open “Help page”
    Which screen are you on now?     (a) Chat (b) Feed (c) Friend list (d) Help page
  35. 35.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Edit photo”
    2. tap the Home tab
    3. open “Map”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  36. 36.Which of these is true of a tab bar? (a) switches main sections (b) opens a list of pages (c) goes to the last screen (d) undoes one move
  37. 37.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Friend list”
    3. tap the Me tab
    4. open “Badges”
    Which screen are you on now?     (a) Badges (b) Friend list (c) Quiz (d) Lessons
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Lessons tab
    3. tap the Me tab
    4. tap the Me tab
    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. open “Score card”
    2. open “Score card”
    3. tap the Home tab
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button

Answer key

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

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