开发学院手机开发Android 开发 Android 开发教程之 Service 详解 阅读

Android 开发教程之 Service 详解

 2010-02-22 16:14:00 来源:WEB开发网   
核心提示:8. import android.os.Bundle;9. import android.os.IBinder;10. import android.view.View;11. import android.view.View.OnClickListener;12. import android.widget.But

8. import android.os.Bundle;

9. import android.os.IBinder;

10. import android.view.View;

11. import android.view.View.OnClickListener;

12. import android.widget.Button;

13. import android.widget.Toast;

14.

15. public class TestServiceHolder extends Activity {

16. private boolean _isBound;

17. private TestService _boundService;

18.

19. public void onCreate(Bundle savedInstanceState) {

20. super.onCreate(savedInstanceState);

21. setContentView(R.layout.test_service_holder);

22. setTitle("Service Test");

23.

24. initButtons;

25. }

26.

27. private ServiceConnection _connection = new ServiceConnection {

28. public void onServiceConnected(ComponentName className, IBinder service) {

29. _boundService = ((TestService.LocalBinder)service).getService;

30.

31. Toast.makeText(TestServiceHolder.this, "Service connected",

32. Toast.LENGTH_SHORT).show;

33. }

34.

35. public void onServiceDisconnected(ComponentName className) {

36. // unexpectedly disconnected,we should never see this happen.

37. _boundService = null;

38. Toast.makeText(TestServiceHolder.this, "Service connected",

39. Toast.LENGTH_SHORT).show;

40. }

41. };

42.

43. private void initButtons {

44. Button buttonStart = (Button) findViewById(R.id.start_service);

45. buttonStart.setOnClickListener(new OnClickListener {

46. public void onClick(View arg0) {

47. startService;

48. }

49. });

50.

51. Button buttonStop = (Button) findViewById(R.id.stop_service);

52. buttonStop.setOnClickListener(new OnClickListener {

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