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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 860 · 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 “Score card”
    2. tap Back
    3. open “Friend list”
    Which screen are you on now?     (a) Search (b) Friend list (c) Home (d) Score card
  2. 2.🧭 Which part of navigation switches main sections? (a) a tab bar (b) the back button (c) a menu button
  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. tap the Me tab
    4. tap the Quiz tab
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  5. 5.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Quiz tab
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  6. 6.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Match report”
    3. tap the Search tab
    4. open “Map”
    Which screen are you on now?     (a) Home (b) Match report (c) Badges (d) Map
  7. 7.🧭 What does the back button usually do? (a) opens settings (b) closes all apps (c) deletes the page (d) goes to the last screen
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Friend list”
    3. open “Match report”
    4. open “Score card”
    Which screen are you on now?     (a) Score card (b) Friend list (c) Match report (d) Home
  9. 9.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) the back button (c) a menu button
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. tap the Profile tab
    3. tap the Profile tab
    4. open “Video”
    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. tap the Search tab
    2. open “Match report”
    3. tap the Search tab
    Which screen are you on now?     (a) Profile (b) Search (c) Match report (d) Home
  12. 12.Which of these is true of the back button? (a) undoes one move (b) opens a list of pages (c) switches main sections (d) sits at the bottom
  13. 13.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Help page”
    3. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Help page (c) Profile (d) Search
  14. 14.🧭 Which part of navigation undoes one move? (a) the back button (b) a menu button (c) a tab bar
  15. 15.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to hide the menu (d) to look busy
  16. 16.🧭 Which part of navigation sits at the bottom? (a) a tab bar (b) the back button (c) a menu button
  17. 17.🧭 Which part of navigation opens a list of pages? (a) a menu button (b) the back button (c) a tab bar
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. open “Match report”
    3. tap Back
    Which screen are you on now?     (a) Quiz (b) Match report (c) Lessons (d) Help page
  19. 19.Which of these is true of a tab bar? (a) undoes one move (b) opens a list of pages (c) hides extra links (d) switches main sections
  20. 20.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Match report”
    3. open “Score card”
    4. open “Help page”
    5. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. open “Match report”
    3. open “Badges”
    4. tap the Lessons tab
    5. tap the Lessons tab
    Which screen are you on now?     (a) Score card (b) Lessons (c) Match report (d) Badges
  22. 22.🧭 About how many tabs suit a tab bar best? (a) 10 to 12 (b) 3 to 5 (c) 20 (d) 1
  23. 23.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. open “Match report”
    4. open “Friend list”
    5. open “Score card”
    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) opens a list of pages (b) sits at the bottom (c) undoes one move (d) hides extra links
  25. 25.🧭 Where is a tab bar usually placed in a phone app? (a) nowhere (b) at the bottom (c) inside a button (d) in the middle
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Me tab
    3. open “Video”
    4. open “Edit photo”
    5. open “Edit photo”
    Which screen are you on now?     (a) Friend list (b) Video (c) Edit photo (d) Lessons
  27. 27.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. open “Video”
    3. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Edit photo (c) Video (d) Feed
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Match report”
    4. tap the Search tab
    Which screen are you on now?     (a) Search (b) Match report (c) Home (d) Map
  29. 29.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap the Profile tab
    3. tap the Search tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Badges (c) Score card (d) Search
  30. 30.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. open “Video”
    3. open “Map”
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 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”
    4. tap Back
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.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
  33. 33.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Help page”
    2. tap Back
    3. tap the Quiz tab
    4. open “Help page”
    5. tap the Quiz tab
    Which screen are you on now?     (a) Help page (b) Lessons (c) Me (d) Quiz
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Friend list”
    2. open “Help page”
    3. tap Back
    4. tap Back
    5. open “Match report”
    Which screen are you on now?     (a) Help page (b) Match report (c) Friend list (d) Home
  35. 35.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the phone settings (c) the last app used (d) that tab’s main screen
  36. 36.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. open “Match report”
    4. tap the Chat 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. open “Friend list”
    2. tap the Lessons tab
    3. open “Score card”
    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 “Score card”
    2. open “Match report”
    3. open “Map”
    Which screen are you on now?     (a) Score card (b) Map (c) Home (d) Match report
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Home tab
    3. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. open “Match report”
    3. open “Badges”
    4. open “Edit photo”
    5. tap the Lessons tab
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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