Maybe it is jpg format that causing problems? Try converting images to
png.
On 30 сент, 16:17, Matteo Crippa <[EMAIL PROTECTED]> wrote:
> Easy i was playing with a little app i'm developing but i've just
> found a little problem... let's explain me it...
>
> I created a sdcard and inside it I placed some jpg files.
>
> So my data path is something like:
>
> /sdcard/app/img/1.jpg
> /sdcard/app/img/2.jpg
> /sdcard/app/img/3.jpg
> /sdcard/app/img/4.jpg
> [...]
> /sdcard/app/img/n.jpg
>
> Now I want to create a gallery app to show out these files, I looked
> at demo srcs by android sdk, but they always use imgs from
> resources...
>
> I decided to try using Bitmapfactory.decodeFile and also
> Bitmapfactory.decodestream but both seems not to work fine returning a
> NullPointerException
>
> Here you are a little snippet of my app:
>
> Java:
>
> for(int i=0;i<imgsTokens.length;i++)
> {
> Log.d(""+i,"/sdcard/app/img/"+imgsTokens[i]
> +".jpg");
> try
> {
> FileInputStream is = new FileInputStream(new
> File("/sdcard/app/img/"+imgsTokens[i]+".jpg"));
> BufferedInputStream bis = new
> BufferedInputStream(is);
> photos[i] = BitmapFactory.decodeStream(is);
> bis.close();
> is.close();
>
> //photos[i] = BitmapFactory.decodeFile("/
> sdcard/app/img/"+imgsTokens[i]+".jpg");
> }
> catch(Exception e)
> {
> e.printStackTrace();
> }
> }
>
> any idea how to fix?
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