import android.os.Bundle;
import android.os.IBinder;
import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.Toast;
public class ServiceBindActivity extends Activity {
Button bind;
Button unbind;
Button getServiceStatus;
//保持所启动的Service的IBinder对象
BindService.MyBinder binder;
//定义一个ServiceConnection对象
private ServiceConnection conn = new ServiceConnection() {
//当该Activity与Service断开连接时回调该方法
@Override
public void onServiceDisconnected(ComponentName name) {
System.out.println("--Service Disconnected--");
}
//当该Activity与Service连接成功时回调该方法
@Override
public void onServiceConnected(ComponentName name, IBinder service) {
System.out.println("--Service Coonnected");
//获取Service的onBind方法所返回的MyBinder
binder = (BindService.MyBinder)service;
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_service_bind);
//获取程序界面中的start、stop、getServiceStatus按钮
bind = (Button) findViewById(R.id.bind);
unbind = (Button) findViewById(R.id.unbind);
getServiceStatus = (Button) findViewById(R.id.getServiceStatus);
//创建启动Service的Intent
final Intent intent = new Intent();
//为Intent设置Action属性
intent.setAction("mediaprovider.service.BIND_SERVICE");
bind.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 绑定指定Service
bindService(intent, conn, Service.BIND_AUTO_CREATE);
}
});
unbind.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
//解除绑定Service
unbindService(conn);
}
});
getServiceStatus.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// 获取并显示Service的count
Toast.makeText(ServiceBindActivity.this,
"Service的count值为："+binder.getCount(), 4000).show();
}
});
}
}