关于文件打不开的问题
05-30 05:21:27.619: W/System.err(1706): java.io.FileNotFoundException: /storage/sdcard/kugou7541: open failed: EROFS (Read-only file system)
05-30 05:21:27.619: W/System.err(1706): at libcore.io.IoBridge.open(IoBridge.java:409)
05-30 05:21:27.641: W/System.err(1706): at java.io.RandomAccessFile.<init>(RandomAccessFile.java:118)
05-30 05:21:27.641: W/System.err(1706): at com.download.services.DownLoadService$InitThread.run(DownLoadService.java:112)
05-30 05:21:27.641: W/System.err(1706): Caused by: libcore.io.ErrnoException: open failed: EROFS (Read-only file system)
老师，为什么会打开文件失败啊
