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App Dev Worksheet: Navigation

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

Answer key

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

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