Android编程获取图片数据的方法详解

package org.lxh.util;import java.io.ByteArrayOutputStream;import java.io.InputStream;public class StreamTool {  public static byte[] readInputStream(InputStream in) throws Exception{    int len=0;    byte buf[]=new byte[1024];    ByteArrayOutputStream out=new ByteArrayOutputStream();    while((len=in.read(buf))!=-1){      out.write(buf,0,len); //把数据写入内存    }    out.close(); //关闭内存输出流    return out.toByteArray(); //把内存输出流转换成byte数组  }}