大量SYN_RECV连接，而导致业务出现短暂不可用的解决方法分享

public class MainActivity extends Activity{
private static final int ITEM1 = Menu.FIRST;
private static final int ITEM2 = Menu.FIRST+1;

public void onCreate(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.main);   //mian是activity的界面文件
}

//重写
public boolean onCreateOptionsMenu(Menu menu){
menu.add(0,ITEM1,0,"开始");
menu.add(0,ITEM2,0,"退出");
}

public boolean onOptionsItemSelected(MenuItem item){
switch(item.getItemId()){
case ITEM1:
setTitle("开始");
break;
case ITEM2:
setTitle("退出");
break;
}
return true;
}
}