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App Dev Worksheet: Navigation

App development lesson 11: Navigation: tabs and the back button · Set 635 · 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 “Match report”
    2. tap Back
    3. open “Score card”
    4. tap Back
    How many times must you tap Back to reach the main screen of this tab?
  2. 2.🧭 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 Settings tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  3. 3.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Badges”
    2. tap Back
    3. tap the Settings tab
    Which screen are you on now?     (a) Feed (b) Settings (c) Chat (d) Badges
  4. 4.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. tap the Home tab
    3. open “Map”
    4. open “Help page”
    5. tap Back
    Which screen are you on now?     (a) Home (b) Help page (c) Match report (d) Map
  5. 5.🧭 Which part of navigation switches main sections? (a) a menu button (b) the back button (c) a tab bar
  6. 6.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Edit photo”
    2. tap the Feed tab
    3. tap the Feed tab
    Which screen are you on now?     (a) Edit photo (b) Feed (c) Chat (d) Settings
  7. 7.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Me tab
    2. open “Score card”
    3. tap the Lessons tab
    Which screen are you on now?     (a) Me (b) Lessons (c) Score card (d) Quiz
  8. 8.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Score card”
    2. tap the Profile tab
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Search (c) Map (d) Score card
  9. 9.🧭 Why should every screen show where you are? (a) to use more battery (b) so users do not get lost (c) to look busy (d) to hide the menu
  10. 10.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Match report”
    3. open “Match report”
    4. tap Back
    Which screen are you on now?     (a) Search (b) Profile (c) Home (d) Match report
  11. 11.🧭 Which part of navigation undoes one move? (a) a menu button (b) the back button (c) a tab bar
  12. 12.🧭 Which part of navigation shows 3 to 5 icons? (a) the back button (b) a menu button (c) a tab bar
  13. 13.Which of these is true of a menu button? (a) undoes one move (b) sits at the bottom (c) switches main sections (d) opens a list of pages
  14. 14.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Map”
    3. tap the Search tab
    4. open “Match report”
    5. open “Match report”
    How many times must you tap Back to reach the main screen of this tab?
  15. 15.🧭 Tapping a tab usually takes you to ___. (a) that tab’s main screen (b) the last app used (c) the phone settings (d) a random page
  16. 16.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Score card”
    2. tap Back
    3. tap the Chat tab
    4. open “Match report”
    Which screen are you on now?     (a) Feed (b) Match report (c) Chat (d) Score card
  17. 17.Which of these is true of a tab bar? (a) hides extra links (b) switches main sections (c) undoes one move (d) goes to the last screen
  18. 18.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap Back
    3. tap the Quiz tab
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Badges (d) Me
  19. 19.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. open “Map”
    2. tap Back
    3. tap the Chat tab
    4. tap the Feed tab
    Which screen are you on now?     (a) Chat (b) Feed (c) Settings (d) Map
  20. 20.Which of these is true of the back button? (a) hides extra links (b) sits at the bottom (c) switches main sections (d) goes to the last screen
  21. 21.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. tap the Lessons tab
    2. tap the Lessons tab
    3. open “Badges”
    4. tap the Me tab
    5. open “Edit photo”
    Which screen are you on now?     (a) Quiz (b) Edit photo (c) Badges (d) Lessons
  22. 22.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap Back
    3. open “Match report”
    4. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  23. 23.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. open “Help page”
    3. tap the Quiz tab
    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) undoes one move (b) hides extra links (c) goes to the last screen (d) sits at the bottom
  25. 25.🧭 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 Settings tab
    Which screen are you on now?     (a) Feed (b) Chat (c) Settings
  26. 26.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Badges”
    2. tap the Me tab
    3. tap the Lessons tab
    Which screen are you on now?     (a) Lessons (b) Badges (c) Me (d) Quiz
  27. 27.Which of these is true of a tab bar? (a) goes to the last screen (b) hides extra links (c) opens a list of pages (d) shows 3 to 5 icons
  28. 28.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. open “Badges”
    3. open “Map”
    Which screen are you on now?     (a) Home (b) Badges (c) Map (d) Search
  29. 29.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Score card”
    2. tap the Quiz tab
    3. open “Help page”
    4. tap the Quiz tab
    5. open “Help page”
    How many times must you tap Back to reach the main screen of this tab?
  30. 30.🧭 What does the back button usually do? (a) closes all apps (b) opens settings (c) goes to the last screen (d) deletes the page
  31. 31.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Map”
    2. open “Map”
    3. open “Map”
    How many times must you tap Back to reach the main screen of this tab?
  32. 32.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Chat tab
    2. tap the Feed tab
    3. open “Video”
    4. tap Back
    5. tap the Feed tab
    How many times must you tap Back to reach the main screen of this tab?
  33. 33.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. tap the Home tab
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Search (c) Profile (d) Home
  34. 34.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Match report”
    2. open “Video”
    3. tap Back
    4. tap the Home tab
    Which screen are you on now?     (a) Match report (b) Home (c) Search (d) Video
  35. 35.🧭 About how many tabs suit a tab bar best? (a) 20 (b) 10 to 12 (c) 3 to 5 (d) 1
  36. 36.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Search tab
    2. tap the Search tab
    3. tap the Home tab
    4. open “Badges”
    5. tap the Profile tab
    Which screen are you on now?     (a) Home (b) Profile (c) Badges (d) Search
  37. 37.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. open “Video”
    2. open “Video”
    3. open “Friend list”
    4. tap the Search tab
    How many times must you tap Back to reach the main screen of this tab?
  38. 38.🧭 The app has tabs Feed, Chat, Settings. You start on Feed, then:
    1. tap the Feed tab
    2. tap the Settings tab
    3. tap the Chat tab
    4. tap the Settings tab
    How many times must you tap Back to reach the main screen of this tab?
  39. 39.🧭 The app has tabs Home, Search, Profile. You start on Home, then:
    1. tap the Profile tab
    2. open “Match report”
    3. open “Match report”
    Which screen are you on now?     (a) Match report (b) Home (c) Profile (d) Search
  40. 40.🧭 The app has tabs Lessons, Quiz, Me. You start on Lessons, then:
    1. open “Friend list”
    2. tap the Quiz tab
    3. tap the Quiz tab
    4. open “Score card”
    5. tap Back
    Which screen are you on now?     (a) Quiz (b) Lessons (c) Score card (d) Friend list

Answer key

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

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