网页端的代码是读取字节流的方式进行书写的,
FileStream.fs=File.OpenRead(FileName);
{
byte[] buffer=new byte[1024];
while(fs.position<fs.length)
{
int ReadCount=fs.Read(buffer,0,1024);
if(ReadCount==1024)
{
outputstream.write(buffer,0,1020);
}
else
{
outputstream.write(buffer,0,readCount);
}
}
}
android读取时解密该怎么写?求大神求解