Can't write to sdcard even with permissions set and external storage in MEDIA_MOUNTED state

Question

While trying to write file to sdcard I get java.io.FileNotFoundException: /filename (Read-only file system) exception. Sadly none of the many solutions posted h

Answer 1

Try this:

File file = new File(filePath);
File parent = file.getParentFile();
if (!parent.exists() && !parent.mkdirs()) {
      return;
}

file = new File(Helpers.StripExtension(filePath) + ".blk");
OutputStream fos = new FileOutputStream(file);
fos.write(digest.getBytes());
fos.close();