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POimage rotation not working on Samsung Galaxy Nexus android
 

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  1. POimage rotation not working on Samsung Galaxy Nexus android
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    <p>I've tested this code snippet on about 25 devices and it works great on all of them except a Samsung Galaxy Nexus that I'm trying to test with now.</p> <p>Here is the method and I apologize for not trimming it down to find the exact spot that's throwing the exception, but eclipse's debugging is doodoo.</p> <pre><code>private void setupImageView() { imageLocation = currentPhotoPath; // Get the dimensions of the View Display display = getWindowManager().getDefaultDisplay(); Point size = getDisplaySize(display); int targetW = size.x; // Get the dimensions of the bitmap BitmapFactory.Options bmOptions = new BitmapFactory.Options(); bmOptions.inJustDecodeBounds = true; BitmapFactory.decodeFile(imageLocation, bmOptions); int photoW = bmOptions.outWidth; int photoH = bmOptions.outHeight; // Determine how much to scale down the image int scaleFactor = Math.min(photoW / targetW, photoH / targetW); // Decode the image file into a Bitmap sized to fill the View bmOptions.inJustDecodeBounds = false; bmOptions.inSampleSize = scaleFactor; bmOptions.inPurgeable = true; Bitmap bitmap = BitmapFactory.decodeFile(imageLocation, bmOptions); //int rotationForImage = getRotationForImage(imageLocation); int rotationForImage = (whichCamera == 0 ? 90 : 270); if (rotationForImage != 0) { int targetWidth = rotationForImage == 90 || rotationForImage == 270 ? bitmap.getHeight() : bitmap.getWidth(); int targetHeight = rotationForImage == 90 || rotationForImage == 270 ? bitmap.getWidth() : bitmap.getHeight(); Bitmap rotatedBitmap = Bitmap.createBitmap(targetWidth, targetHeight, bitmap.getConfig()); Canvas canvas = new Canvas(rotatedBitmap); Matrix matrix = new Matrix(); matrix.setRotate(rotationForImage, bitmap.getWidth() / 2, bitmap.getHeight() / 2); canvas.drawBitmap(bitmap, matrix, new Paint()); bitmap.recycle(); bitmap = rotatedBitmap; ByteArrayOutputStream bytes = new ByteArrayOutputStream(); bitmap.compress(Bitmap.CompressFormat.JPEG, 40, bytes); try { File f = new File(imageLocation); f.createNewFile(); //write the bytes in file FileOutputStream fo = new FileOutputStream(f); fo.write(bytes.toByteArray()); fo.close(); } catch(java.io.IOException e){} } imageView.setImageBitmap(bitmap); } </code></pre> <p>anyone know what Samsung does differently with the nexus that would cause this to throw an exception? It works fine on a Galaxy S III</p>
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    1. PO
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    1. USChristopher Johnson
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    1. COHate to ask the obvious... whats the exception?
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      1. POimage rotation not working on Samsung Galaxy Nexus android
      1. USPhix
    2. COThe exception is being thrown in my onActivityResult() which calls the above pasted method when the intent closes and returns to the previous activity. I've narrowed it down further to the rotation bit by manually setting the rotation for image to 0. In that case nothing in the if block is called. Here's the exception: 12-10 15:08:14.452: E/AndroidRuntime(9817): java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=904, result=-1, data=Intent { (has extras) }} to activity {com.myapp}: java.lang.NullPointerException
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      1. POimage rotation not working on Samsung Galaxy Nexus android
      1. USChristopher Johnson
    3. COIt looks like something in the if block you mention is throwing an NPE - that's the real bug here. Don't worry about the Activity/ResultInfo stuff, that is downstream and triggered by the NPE. Go line by line and look for the null reference.
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      1. POimage rotation not working on Samsung Galaxy Nexus android
      1. USMike Repass
 

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