Android Java快速给File追加头信息
作者:
GexYY | 来源:发表于
2018-07-10 16:34 被阅读0次 try {
String header="GexYY";
RandomAccessFile src = new RandomAccessFile(mFile, "rw");
int srcLength = (int) src.length();
byte[] buff = new byte[srcLength];
byte[] header = header.getBytes();
src.read(buff, 0, srcLength);
src.seek(0);
src.write(header);
src.seek(header.length);
src.write(buff);
src.close();
} catch (Exception e) {
e.printStackTrace();
}
本文标题：Android Java快速给File追加头信息
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