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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 302 · 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 Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Friend list”
    3. tap Back
    4. tap the Settings tab
    5. open “Score card”
    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. tap the Profile tab
    3. open “Badges”
    4. tap Back
    5. open “Map”
    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 “Friend list”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap the Me tab
    Which screen are you on now?     (a) Me (b) Help page (c) Lessons (d) Friend list
  4. 4.🧭 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
    4. open “Score card”
    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 Settings tab
    2. tap the Feed tab
    3. open “Match report”
    4. open “Map”
    5. open “Edit photo”
    Which screen are you on now?     (a) Match report (b) Edit photo (c) Map (d) Feed
  6. 6.🧭 Where is a tab bar usually placed in a phone app? (a) at the bottom (b) in the middle (c) inside a button (d) nowhere
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Help page”
    3. open “Match report”
    Which screen are you on now?     (a) Lessons (b) Quiz (c) Help page (d) Match report
  8. 8.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) shows 3 to 5 icons (d) opens a list of pages
  9. 9.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Chat (b) Feed (c) Edit photo (d) Match report
  10. 10.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Score card”
    3. tap the Me tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Video (d) Me
  11. 11.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. open “Edit photo”
    3. tap the Quiz tab
    4. open “Video”
    5. tap Back
    Which screen are you on now?     (a) Edit photo (b) Video (c) Quiz (d) Lessons
  12. 12.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Lessons tab
    3. open “Map”
    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) the back button (c) a menu button
  14. 14.🧭 What does the back button usually do? (a) closes all apps (b) deletes the page (c) goes to the last screen (d) opens settings
  15. 15.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) a menu button (c) the back button
  16. 16.Which of these is true of a menu button? (a) switches main sections (b) goes to the last screen (c) opens a list of pages (d) sits at the bottom
  17. 17.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
  18. 18.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) a tab bar (c) the back button
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Edit photo”
    4. tap the Me tab
    Which screen are you on now?     (a) Match report (b) Me (c) Lessons (d) Edit photo
  20. 20.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Chat tab
    3. tap the Feed tab
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Help page
  21. 21.Which of these is true of a tab bar? (a) hides extra links (b) goes to the last screen (c) sits at the bottom (d) undoes one move
  22. 22.🧭 Which part of navigation goes to the last screen? (a) a menu button (b) a tab bar (c) the back button
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Match report”
    4. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  24. 24.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
  25. 25.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Quiz tab
    2. tap the Me tab
    3. open “Help page”
    4. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  26. 26.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Help page”
    3. open “Map”
    4. tap Back
    Which screen are you on now?     (a) Help page (b) Home (c) Map (d) Search
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Match report (d) Help page
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Video”
    3. tap the Quiz tab
    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 “Edit photo”
    2. open “Score card”
    3. tap the Home tab
    4. tap the Home tab
    Which screen are you on now?     (a) Home (b) Search (c) Score card (d) Edit photo
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Video”
    3. tap Back
    4. tap the Chat tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Score card”
    3. tap the Search tab
    Which screen are you on now?     (a) Search (b) Home (c) Profile (d) Score card
  32. 32.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) a random page (d) the phone settings
  33. 33.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Map”
    5. tap the Profile tab
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 20 (c) 3 to 5 (d) 10 to 12
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  37. 37.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Friend list”
    2. open “Edit photo”
    3. tap Back
    4. tap the Feed tab
    5. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Map”
    3. open “Edit photo”
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap the Lessons tab
    3. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Quiz (c) Lessons (d) Help page
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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