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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 830 · 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.🧭 Tapping a tab usually takes you to ___. (a) a random page (b) the last app used (c) that tab’s main screen (d) the phone settings
  2. 2.Which of these is true of the back button? (a) hides extra links (b) undoes one move (c) switches main sections (d) sits at the bottom
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. tap Back
    3. tap the Settings tab
    4. tap the Chat tab
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. open “Help page”
    3. tap Back
    Which screen are you on now?     (a) Help page (b) Badges (c) Home (d) Search
  5. 5.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Feed tab
    3. tap the Chat tab
    Which screen are you on now?     (a) Chat (b) Settings (c) Feed
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Video”
    2. open “Help page”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  7. 7.🧭 About how many tabs suit a tab bar best? (a) 1 (b) 3 to 5 (c) 10 to 12 (d) 20
  8. 8.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Help page”
    2. tap Back
    3. open “Score card”
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  9. 9.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) goes to the last screen (d) switches main sections
  10. 10.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  11. 11.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a tab bar (c) a menu button
  12. 12.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Map”
    3. open “Friend list”
    Which screen are you on now?     (a) Home (b) Video (c) Map (d) Friend list
  13. 13.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. open “Video”
    3. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  14. 14.🧭 Where is a tab bar usually placed in a phone app? (a) in the middle (b) at the bottom (c) inside a button (d) nowhere
  15. 15.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. tap the Profile tab
    4. open “Badges”
    How many times must you tap Back to reach the main screen of this tab?
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. open “Friend list”
    3. tap Back
    Which screen are you on now?     (a) Feed (b) Friend list (c) Map (d) Chat
  17. 17.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Edit photo”
    3. tap the Home tab
    4. open “Match report”
    5. open “Help page”
    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 “Score card”
    2. tap the Lessons tab
    3. open “Friend list”
    Which screen are you on now?     (a) Score card (b) Lessons (c) Friend list (d) Quiz
  19. 19.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Video”
    2. tap Back
    3. open “Friend list”
    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 “Edit photo”
    2. open “Match report”
    3. tap the Quiz tab
    4. open “Friend list”
    5. open “Friend list”
    Which screen are you on now?     (a) Edit photo (b) Lessons (c) Friend list (d) Match report
  21. 21.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. tap the Profile tab
    3. open “Video”
    4. open “Help page”
    Which screen are you on now?     (a) Help page (b) Video (c) Home (d) Map
  22. 22.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. open “Match report”
    3. tap the Profile tab
    Which screen are you on now?     (a) Score card (b) Match report (c) Profile (d) Home
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Edit photo”
    2. tap the Quiz tab
    3. open “Match report”
    4. tap the Quiz tab
    5. open “Match report”
    Which screen are you on now?     (a) Match report (b) Quiz (c) Lessons (d) Edit photo
  24. 24.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap Back
    3. open “Video”
    Which screen are you on now?     (a) Search (b) Video (c) Home (d) Match report
  25. 25.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  26. 26.Which of these is true of a tab bar? (a) hides extra links (b) opens a list of pages (c) sits at the bottom (d) undoes one move
  27. 27.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Edit photo”
    3. open “Video”
    How many times must you tap Back to reach the main screen of this tab?
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Home tab
    2. open “Video”
    3. tap the Profile tab
    4. open “Friend list”
    5. tap the Home tab
    Which screen are you on now?     (a) Friend list (b) Home (c) Video (d) Search
  29. 29.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. open “Score card”
    3. tap Back
    4. open “Score card”
    5. tap the Chat tab
    Which screen are you on now?     (a) Settings (b) Score card (c) Chat (d) Feed
  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
    How many times must you tap Back to reach the main screen of this tab?
  31. 31.🧭 Which part of navigation goes to the last screen? (a) a tab bar (b) a menu button (c) the back button
  32. 32.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. open “Score card”
    3. open “Friend list”
    4. tap Back
    Which screen are you on now?     (a) Quiz (b) Score card (c) Friend list (d) Lessons
  33. 33.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) undoes one move
  34. 34.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap Back
    3. tap the Feed tab
    4. tap the Chat tab
    Which screen are you on now?     (a) Match report (b) Settings (c) Chat (d) Feed
  35. 35.🧭 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
    4. open “Badges”
    Which screen are you on now?     (a) Search (b) Home (c) Badges (d) Match report
  36. 36.🧭 Which part of navigation hides extra links? (a) the back button (b) a menu button (c) a tab bar
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Badges”
    2. tap Back
    3. open “Help page”
    4. tap Back
    5. open “Video”
    Which screen are you on now?     (a) Home (b) Video (c) Help page (d) Badges
  38. 38.🧭 Why should every screen show where you are? (a) to look busy (b) to hide the menu (c) so users do not get lost (d) to use more battery
  39. 39.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Match report”
    2. tap the Chat tab
    3. open “Friend list”
    How many times must you tap Back to reach the main screen of this tab?
  40. 40.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Settings tab
    2. tap the Feed tab
    3. tap the Settings tab
    4. open “Score card”
    How many times must you tap Back to reach the main screen of this tab?

Answer key

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

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