[android-developers] Re: jpeg library crashing

2012-11-06 Thread RichardC 
1. LogCat will always show something
2. Which jpeg library?

On Tuesday, November 6, 2012 1:02:52 PM UTC, jobaal wrote:

 Hi

 Mi app crashes sometimes when a jpeg library is called. Is there any way 
 to know what is happening inside the lib or at least a way to capture when 
 this is happening? Right now the app closes itself without showing any 
 message, it would be very helpful if at least an error message was shown 
 when this happens.

 Thanks


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[android-developers] Re: jpeg library crashing

2012-11-06 Thread bob 
 

Why would you need a third party JPEG lib?

On Tuesday, November 6, 2012 7:02:52 AM UTC-6, jobaal wrote:

 Hi

 Mi app crashes sometimes when a jpeg library is called. Is there any way 
 to know what is happening inside the lib or at least a way to capture when 
 this is happening? Right now the app closes itself without showing any 
 message, it would be very helpful if at least an error message was shown 
 when this happens.

 Thanks


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Re: [android-developers] Re: jpeg library crashing

2012-11-06 Thread TreKing 
On Tue, Nov 6, 2012 at 10:34 AM, bob b...@coolfone.comze.com wrote:

 Why would you need a third party JPEG lib?


Why would you need a third party of any sort? To do things above and beyond
what the framework allows.

-
TreKing http://sites.google.com/site/rezmobileapps/treking - Chicago
transit tracking app for Android-powered devices

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[android-developers] Re: jpeg library crashing

2012-11-06 Thread shiva pendem 

Hi

The instance where your application is crashing is definitely due to heap, 

I had worked with the same issue for longer period but i haven't find the 
solution to work on images of longer width and height(BITMAP/jpeg or any 
image), finally i have used it by resizing the image,

if we see the size required to create the image it need width*height*4 
bytes which is not supported for all the devices
the supported size for all the images is 512*512

the solution i have suggest for larger images is as follows

yourSelectedImage = BitmapFactory.decodeFile(path)
;
Float Ratio=(float) 
((yourSelectedImage.getWidth()*1.0)/yourSelectedImage.getHeight());
Float byratio=480/Ratio;

if(yourSelectedImage.getHeight()490||yourSelectedImage.getWidth()490)
{

yourSelectedImage=Bitmap.createScaledBitmap(BitmapFactory.decodeFile(path),(int)(byratio*1.0),
 
640, true );
}

the resultant will be re sized with the same ratio of the original image,

using this doesn't need to use any third party jar files,

this is the main reason why all the apps of photo editor have a negitive 
rating saying low image quality

Thanks
Shiva,

On Tuesday, November 6, 2012 6:32:52 PM UTC+5:30, jobaal wrote:

 Hi

 Mi app crashes sometimes when a jpeg library is called. Is there any way 
 to know what is happening inside the lib or at least a way to capture when 
 this is happening? Right now the app closes itself without showing any 
 message, it would be very helpful if at least an error message was shown 
 when this happens.

 Thanks


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