内存溢出问题!
阿诺 2013-03-15 04:06:37 一个读取文件的方法:
Android:
public String readFile(String fileName) throws Exception{
ByteArrayOutputStream outStream=new ByteArrayOutputStream();
FileInputStream fis=context.openFileInput(fileName);
byte [] buffer=new byte[1024];
int length=fis.read(buffer);//1
while(length != -1){//2
outStream.write(buffer,0,lengt)
}
byte[] b= outStream.toByteArray();
String s=new String(b);
return s;
}
如上所示了:注释1和2处
这样写为什么会出现java.lang.OutOfMemoryError
是内存溢出吧!
我修改1,2处:如下:3,4
public String readFile(String fileName) throws Exception{
ByteArrayOutputStream outStream=new ByteArrayOutputStream();
FileInputStream fis=context.openFileInput(fileName);
byte [] buffer=new byte[1024];
int length=0;//3
while((length = fis.read(buffer)) != -1){//4
outStream.write(buffer,0,lengt)
}
byte[] b= outStream.toByteArray();
String s=new String(b);
return s;
}
这样就没有问题了。真心求解释!