学步园

activity类：

package yt.hy.activity;

import android.app.Activity;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

import android.widget.Toast;

public class ServiceActivityConnectionActivity extends Activity {

    private Button button;

    MyBroadcast mybroadcast;

   

    @Override

    public void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.main);

        button = (Button) findViewById(R.id.button);

        button.setOnClickListener(new Button.OnClickListener(){

              @Override

            public void onClick(View v) {

                Intent intent = new Intent(ServiceActivityConnectionActivity.this, MyService.class);

                intent.putExtra("number", 1); // 给service发送参数

                ServiceActivityConnectionActivity.this.startService(intent);

            }

       

        });

    }

    

    protected void onStart() {

        mybroadcast = new MyBroadcast();

        IntentFilter filter = new IntentFilter();

        filter.addAction("yt.hy.activity.ServiceActivityConnectionActivity");

        registerReceiver(mybroadcast, filter); 

        super.onStart();

    }

    

    protected void onStop() {

        unregisterReceiver(mybroadcast);

        super.onStop();

    }

    

    public class MyBroadcast extends BroadcastReceiver {

        @Override

        public void onReceive(Context context, Intent intent) {

                        //接收到的参数

             int count = intent.getIntExtra("count", 0);

             Toast.makeText(context, "当前数字为："+count, Toast.LENGTH_LONG).show();

        }

   

    }

    

}

service类：