Blurring an image using Renderscript

blurringTheBitmap

    public static Bitmap blendRenderScript(RenderScript rs, Bitmap originalBitmap) {

        // Creates a matching Renderscript allocation object and
        // copies the contents of the bitmap into the allocation
        Allocation input = Allocation.createFromBitmap(rs, originalBitmap,
                Allocation.MipmapControl.MIPMAP_NONE, Allocation.USAGE_SCRIPT);

        // Generates an Allocation identical in structure to the first
        Allocation output = Allocation.createTyped(rs, input.getType());

        // Uses Renderscript ScriptIntrinsicBlur, a Gaussian blur filter
        ScriptIntrinsicBlur script = ScriptIntrinsicBlur.create(rs, Element.U8_4(rs));

        // Control the strength of the blur
        script.setRadius(10f);

        script.setInput(input);

        // Blur
        script.forEach(output);

        // Copy the blurred image back to Java memory space
        output.copyTo(originalBitmap);

        return originalBitmap;
    }

getBitmapFromView

    public static Bitmap getBitmapFromView(View v) {
        Bitmap bitmap = Bitmap.createBitmap(v.getWidth(), v.getHeight(), Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);
        v.draw(canvas);

        return bitmap;
    }

scaledBitmapForBlurring

    public static Bitmap createScaledBitmapForBlurring(Bitmap originalBitmap) {
        return Bitmap.createScaledBitmap(
                originalBitmap,
                originalBitmap.getWidth()/10,
                originalBitmap.getHeight()/10, true);
    }