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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 348 · 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 Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Help page”
    3. open “Friend list”
    4. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Quiz (c) Video (d) Friend list
  2. 2.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Help page”
    3. open “Video”
    4. tap Back
    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. tap the Me tab
    2. tap the Quiz tab
    3. open “Help page”
    4. open “Match report”
    Which screen are you on now?     (a) Quiz (b) Match report (c) Help page (d) Lessons
  4. 4.🧭 What does the back button usually do? (a) deletes the page (b) closes all apps (c) goes to the last screen (d) opens settings
  5. 5.🧭 Which part of navigation shows 3 to 5 icons? (a) a menu button (b) the back button (c) a tab bar
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Home tab
    3. open “Friend list”
    4. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Friend list (c) Profile (d) Badges
  7. 7.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Match report”
    3. tap Back
    4. tap Back
    Which screen are you on now?     (a) Feed (b) Video (c) Chat (d) Match report
  8. 8.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. tap the Lessons tab
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of a tab bar? (a) opens a list of pages (b) undoes one move (c) hides extra links (d) sits at the bottom
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. tap the Search tab
    4. open “Match report”
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  11. 11.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Help page”
    2. tap Back
    3. tap the Profile tab
    Which screen are you on now?     (a) Profile (b) Search (c) Home (d) Help page
  12. 12.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) inside a button (c) at the bottom (d) nowhere
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    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. tap the Me tab
    3. open “Score card”
    4. open “Badges”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap Back
    3. open “Badges”
    4. open “Edit photo”
    5. open “Match report”
    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 “Friend list”
    2. tap the Profile tab
    3. open “Match report”
    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 “Badges”
    2. tap the Lessons tab
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. open “Edit photo”
    3. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?
  19. 19.🧭 Which part of navigation undoes one move? (a) a tab bar (b) the back button (c) a menu button
  20. 20.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Map”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Quiz tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Match report (b) Map (c) Lessons (d) Quiz
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. tap the Lessons tab
    3. tap the Quiz tab
    4. tap the Me tab
    5. tap the Me tab
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.Which of these is true of a menu button? (a) goes to the last screen (b) undoes one move (c) switches main sections (d) hides extra links
  24. 24.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. open “Edit photo”
    3. tap Back
    4. tap Back
    5. open “Edit photo”
    Which screen are you on now?     (a) Video (b) Lessons (c) Edit photo (d) Quiz
  25. 25.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  26. 26.Which of these is true of the back button? (a) sits at the bottom (b) shows 3 to 5 icons (c) opens a list of pages (d) goes to the last screen
  27. 27.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Map”
    3. open “Badges”
    Which screen are you on now?     (a) Home (b) Map (c) Search (d) Badges
  28. 28.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Me tab
    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. tap the Lessons tab
    3. open “Match report”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 Tapping a tab usually takes you to ___. (a) the last app used (b) that tab’s main screen (c) the phone settings (d) a random page
  31. 31.Which of these is true of a tab bar? (a) shows 3 to 5 icons (b) goes to the last screen (c) opens a list of pages (d) undoes one move
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap Back
    3. tap the Quiz tab
    4. tap the Me tab
    5. tap the Quiz tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Quiz (d) Edit photo
  33. 33.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. open “Match report”
    3. open “Video”
    4. open “Edit photo”
    5. open “Map”
    Which screen are you on now?     (a) Video (b) Edit photo (c) Match report (d) Map
  34. 34.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Match report”
    2. open “Score card”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  35. 35.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap Back
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Score card (c) Quiz (d) Lessons
  36. 36.🧭 Which part of navigation switches main sections? (a) a tab bar (b) a menu button (c) the back button
  37. 37.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) switches main sections (d) undoes one move
  38. 38.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap the Home tab
    Which screen are you on now?     (a) Video (b) Search (c) Home (d) Profile
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. open “Score card”
    4. tap the Feed tab
    Which screen are you on now?     (a) Badges (b) Feed (c) Chat (d) Score card
  40. 40.🧭 Why should every screen show where you are? (a) to look busy (b) to use more battery (c) so users do not get lost (d) to hide the menu

Answer key

  1. Quiz
  2. 2
  3. Match report
  4. goes to the last screen
  5. a tab bar
  6. Profile
  7. Feed
  8. 1
  9. sits at the bottom
  10. 2
  11. Profile
  12. at the bottom
  13. 1
  14. 1
  15. 3
  16. 1
  17. 1
  18. 3
  19. the back button
  20. a menu button
  21. Quiz
  22. 0
  23. hides extra links
  24. Edit photo
  25. the back button
  26. goes to the last screen
  27. Badges
  28. 0
  29. 0
  30. that tab’s main screen
  31. shows 3 to 5 icons
  32. Quiz
  33. Map
  34. 1
  35. Match report
  36. a tab bar
  37. switches main sections
  38. Home
  39. Feed
  40. so users do not get lost

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