this is because file.mkdirs() doesn't understand that the second
argument you provided to the File constructor is a file name rather
than a directory name. i think you might find, and indeed i found,
that /sdcard/zackcorp/myfiles/myFile.txt is actually a directory. the
directory is writable in the sense that you can put files in it, but
you can't directly open it for writing using a FOS.
btw, i've so far found nothing weird in the Android File package.
well, except that createTempFile() will return a file that's not
writable if there is nothing mounted on /sdcard. that should be fixed
IMHO.
hope this helps,
j
>Hi All,
>
>This is my code that successfully creates both the directory tree and
>the file "myFile.txt", and yet throws a FileNotFoundException when I
>try to call new FileOutputStream(file):
>
>File file = new File("/sdcard/zackcorp/myfiles", "myFile.txt");
>file.mkdirs(); // creates /sdcard/zackcorp/myfiles
>file.createNewFile();
>boolean canWrite = file.canWrite(); // canWrite is true
>FileOutputStream fos = new FileOutputStream(file);
>
>My theory is that it's not possible to create a FileOutputStream with
>an sdcard file (or perhaps anywhere else besides within my package),
>because when I change the directory to point to my package's sandbox,
>the FileOutputStream is successfully made.
>
>File file = new File("/data/data/com.zackcorp.android/myfiles",
>"myFile.txt");
>file.mkdirs(); // creates /data/data/com.zackcorp.android/myfiles
>file.createNewFile();
>boolean canWrite = file.canWrite(); // canWrite is true
>FileOutputStream fos = new FileOutputStream(file); // THIS time it
>works
>
>Could anyone tell me what I have to do to open a FileOutputStream on a
>file on an sdcard? Or which AndroidManifest permission I could set to
>fix this? Thanks very much!
>
>-UBZack
>
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