Service的简单应用

package com.czk.testview;

import android.app.Service;
import android.content.Intent;
import android.os.IBinder;
import android.util.Log;
import android.widget.Toast;

public class ExampleService extends Service {
	private static final String TAG="ExampleService";
	private String str="";

	public void onCreate() {
		str="ExampleService-->onCreate";
		Toast.makeText(ExampleService.this, str, Toast.LENGTH_SHORT).show();
		Log.i(TAG, str);
		super.onCreate();
	}


	public int onStartCommand(Intent intent, int flags, int startId) {
		str="ExampleService-->onStartCommand";
		Toast.makeText(ExampleService.this, str, Toast.LENGTH_SHORT).show();
		Log.i(TAG, str);
		return super.onStartCommand(intent, flags, startId);
	}

	
	public void onDestroy() {
		str="ExampleService-->onDestroy";
		Toast.makeText(ExampleService.this, str, Toast.LENGTH_SHORT).show();
		Log.i(TAG, str);
		super.onDestroy();
	}


	public IBinder onBind(Intent intent) {
		str="ExampleService-->onBind";
		Toast.makeText(ExampleService.this, str, Toast.LENGTH_SHORT).show();
		Log.i(TAG, str);
		return null;
	}

}