it works perfect!
thank you very much!
On Oct 9, 2:08 am, Jarcikon <[email protected]> wrote:
> Yes, the images from the camera are 2048px by 1536px. If you convert
> to a bitmap, thats 2048 x 1536 x 2 = 6291456, or 6MB. This is right
> at the allotted space an Activity gets. If you can live with smaller
> images, I would suggest using a sampleSize of > 1 when decoding the
> image. This will result in a smaller image size, thus less memory
> used. I have used the following code in the past to keep my images
> under a set byte count. Alternatively, you could forget about
> calculating the sample size and just set it to 2. This would use
> 1.5MB instead of 6MB on a standard image.
>
> //Get dimensions of image first (takes very little time)
> BitmapFactory.Options bfo = new BitmapFactory.Options();
> bfo.inJustDecodeBounds = true;
> bfo.inDither = false;
> bfo.inPreferredConfig = Bitmap.Config.RGB_565;
> BitmapFactory.decodeStream(cr.openInputStream(uriAvator),null, bfo);
>
> //Calculate sample size to keep image under maxFileSize
> int maxFileSize = 1572864; //in bytes
> int sampleSize = 1;
> long fileSize = 2 * (bfo.outWidth/sampleSize) * (bfo.outHeight/
> sampleSize);
> while(fileSize > maxFileSize)
> {
> sampleSize++;
> fileSize = 2 * (bfo.outWidth/sampleSize) * (bfo.outHeight/
> sampleSize);
>
> }
>
> //Decode image using calculated sample size
> bfo.inSampleSize = sampleSize;
> bfo.inJustDecodeBounds = false;
> bmpAvator = BitmapFactory.decodeStream(cr.openInputStream
> (uriAvator),null, bfo);
>
> -Mike-
>
> On Oct 7, 10:07 pm, huanwu <[email protected]> wrote:
>
>
>
> > i got a problem
> > i intend to use
>
> > intent.setAction(Intent.ACTION_GET_CONTENT);
> > startActivityForResult(intent, 1);
>
> > to select picture from gallery in google phone, and load the selected
> > photo back into my application
> > it works ok in the emulator
> > but when i punt it on real google phone (HTC hero/ HTC magic)
> > if i capture a photo in the gallery, and select the photo,
> > it sometimes crash (not always)
> > is it because the photo is too large or something?
> > are there any solution? thanks!
>
> > //--------following are part of my code-----//
>
> > private void getGalleryImage()
> > {
> > //...
>
> > selectNewPicture = false;
> > Intent intent = new Intent();
> > intent.setType("image/*");
> > intent.setAction(Intent.ACTION_GET_CONTENT);
> > startActivityForResult(intent, 1);
>
> > }
> > @Override
> > protected void onActivityResult(int requestCode, int
> > resultCode,Intent data)
> > {
> > if (resultCode == RESULT_OK)
> > {
> > uriAvator = data.getData();
>
> > ContentResolver cr = this.getContentResolver();
>
> > try
> > {
> > bmpAvator = Bitmap.createBitmap(BitmapFactory.decodeStream
> > (cr.openInputStream(uriAvator)));
>
> > //Do Cutting
> > int dX = bmpAvator.getWidth();
> > int dY = bmpAvator.getHeight();
> > int dMin = Math.min(dX, dY);
> > if(dX > dY)
> > bmpAvator = Bitmap.createBitmap(bmpAvator, (dX-dMin)>>1,
> > 0, dMin, dMin);
> > else if(dX < dY)
> > bmpAvator = Bitmap.createBitmap(bmpAvator, 0,
> > (dY-dMin)>>1,
> > dMin, dMin);
>
> > //Do Scaling
> > bmpAvator = Bitmap.createScaledBitmap(bmpAvator, 100, 100,
> > true);
>
> > //Compress into jpeg
>
> > myAvator.setImageBitmap(bmpAvator);
> > } catch (FileNotFoundException e)
> > {
> > e.printStackTrace();
> > }
> > }
> > super.onActivityResult(requestCode, resultCode, data);
> > }
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