Resize a bitmap with given width and height code snippet.

Resize-Bitmap

public static Bitmap getImageThumbnail(final String pPath, final int pWidth, final int pHeight) {

		/* There isn't enough memory to open up more than a couple camera photos */
		/* So pre-scale the target bitmap into which the file is decoded */

		
		// First decode with inJustDecodeBounds=true to check dimensions
		final BitmapFactory.Options options = new BitmapFactory.Options();
		options.inJustDecodeBounds = true;
		BitmapFactory.decodeFile(pPath, options);

		// Calculate inSampleSize
		options.inSampleSize = calculateInSampleSize(options, pWidth, pHeight);

		// Decode bitmap with inSampleSize set
		options.inJustDecodeBounds = false;
		return BitmapFactory.decodeFile(pPath, options);
	}

	private static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
		// Raw height and width of image
		final int height = options.outHeight;
		final int width = options.outWidth;
		int inSampleSize = 1;

		if (height > reqHeight || width > reqWidth) {

			final int halfHeight = height / 2;
			final int halfWidth = width / 2;

			// Calculate the largest inSampleSize value that is a power of 2 and keeps both
			// height and width larger than the requested height and width.
			while ((halfHeight / inSampleSize) > reqHeight && (halfWidth / inSampleSize) > reqWidth) {
				inSampleSize *= 2;
			}
		}

		return inSampleSize;
	}