[android-developers] Re: Use of files

I found the problem!

I used the if statement wrong :)

But I can confirm you have in Android native code accessibility to
local files created in java - files create on application level, where
other applications can not see your file!

Now I can write to files in native code and read them in java!

On Apr 22, 1:17 pm, Mark Murphy <mmur...@commonsware.com> wrote:
> Do not make the file MODE_WORLD_WRITEABLE unless you don't mind when
> people hack your files.
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> On Fri, Apr 22, 2011 at 4:41 AM,JernejK. <jernej.klan...@gmail.com> wrote:
> > Thank you both for your answer!
>
> > The thing is, in my company we already have working libraries and that
> > is the reason why I have to use jni.
> > So most of the work is done in native code, most of time I use Java
> > for GUI part..
>
> > So I think i would be a performance issue (applications is constantly
> > managing with changes..I few times in a second) if I were calling from
> > native java methods if we write something to a file..
>
> > So I will send getFilesDir() to my native library and also change the
> > write permission for the file - MODE_WORLD_WRITEABLE (if it really has
> > a different ID, then it will be visible for others). I will also post
> > this to the NDK group..but thanks again!
>
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> --
> Mark Murphy (a Commons Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>
> Android Training in NYC:http://marakana.com/training/android/

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