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  1. package com.example.testbinder2;
  2.  
  3. import android.os.*;
  4. import android.app.*;
  5. import android.content.ComponentName;
  6. import android.content.Context;
  7. import android.content.Intent;
  8. import android.content.ServiceConnection;
  9. import android.util.Log;
  10. import android.view.Menu;
  11. import android.view.View;
  12. import android.view.View.OnClickListener;
  13. import android.widget.*;
  14.  
  15. public class MainActivity extends Activity {
  16.     Button getNum;
  17. 	TextView txtView;
  18. 	MyService mService;
  19. 	boolean bound;
  20. 	@Override
  21. 	protected void onCreate(Bundle savedInstanceState) {
  22. 		super.onCreate(savedInstanceState);
  23. 		setContentView(R.layout.activity_main);
  24. 		getNum = (Button) findViewById(R.id.getRanBt);
  25. 		txtView = (TextView) findViewById(R.id.textViewFd);
  26. 	}
  27.  
  28. 	protected void onStart(){
  29. 		super.onStart();
  30. 		Intent intent = new Intent(this, MyService.class);
  31. 		bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
  32. 		Log.i("Started", "Now bound = " + bound);
  33. 		getNum.setOnClickListener(new OnClickListener() {
  34. 			@Override
  35. 			public void onClick(View arg0) {
  36. 				if (bound)
  37. 					Log.i("Service", "is running and returns " + mService.getNumber());
  38. 				else
  39. 					Log.i("Service", "is not running");
  40. 			}
  41. 		});
  42. 	}
  43.  
  44. 	protected void onStop() {
  45. 		super.onStop();
  46. 		if (bound) {
  47. 			unbindService(mConnection);
  48. 			bound = false;
  49. 		}
  50. 	}
  51.  
  52. 	private ServiceConnection mConnection = new ServiceConnection() {
  53.         @Override
  54.         public void onServiceConnected(ComponentName className,
  55.                 IBinder service) {
  56.             // We've bound to LocalService, cast the IBinder and get LocalService instance
  57.             MyService.MyBinder binder = (MyService.MyBinder) service;
  58.             mService = binder.getService();
  59.             bound = true;
  60.             Log.i("Service Connection", "Connected");
  61.         }
  62.  
  63.         @Override
  64.         public void onServiceDisconnected(ComponentName arg0) {
  65.             bound = false;
  66.             Log.i("Service Connection", "Disconnected");
  67.         }
  68.     };
  69.  
  70. 	@Override
  71. 	public boolean onCreateOptionsMenu(Menu menu) {
  72. 		// Inflate the menu; this adds items to the action bar if it is present.
  73. 		getMenuInflater().inflate(R.menu.main, menu);
  74. 		return true;
  75. 	}
  76. 	public class MyService extends Service {
  77. 		MyBinder mBinder = new MyBinder();
  78. 		@Override
  79. 		public IBinder onBind(Intent arg0) {
  80. 			// TODO Auto-generated method stub
  81. 			return mBinder;
  82. 		}
  83. 		public class MyBinder extends Binder {
  84. 			MyService getService() {
  85. 				return MyService.this;
  86. 			}
  87. 		}
  88. 		public int getNumber() {
  89. 			return 10;
  90. 		}
  91. 	}
  92. }
  93.  
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https://ideone.com/cV5BJa
language:
Java (HotSpot 12)
created:
11 years ago
visibility:
public

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