Android: ScriptIntrinsicBlur 错误

Question

我想要模糊 ImageView

此代码无效，在 ScriptIntrinsicBlur 线上强制关闭

Blur Class :

private static final float BLUR_RADIUS = 20f;


    public Bitmap blur(Bitmap image) {
        if (null == image)
            return null;

        Bitmap outputBitmap = Bitmap.createBitmap(image);
        final RenderScript renderScript = RenderScript.create(this);
        Allocation tmpIn = Allocation.createFromBitmap(renderScript, image);
        Allocation tmpOut = Allocation.createFromBitmap(renderScript, outputBitmap);

        ScriptIntrinsicBlur theIntrinsic = ScriptIntrinsicBlur.create(renderScript, Element.U8_4(renderScript));
        theIntrinsic.setRadius(BLUR_RADIUS);
        theIntrinsic.setInput(tmpIn);
        theIntrinsic.forEach(tmpOut);
        tmpOut.copyTo(outputBitmap);
        return outputBitmap;
    }

Set blur code :

bmp = BitmapFactory.decodeStream(urlImage.openConnection().getInputStream());
bmp = blur(bmp);
imgPost.setImageBitmap(bmp);

And erro log :

http://i.stack.imgur.com/sL2BT.jpg

Answer 1

根据 ScriptIntrinsicBlur documentation, the class was added in API 17 and therefore does not exist prior to that. You can use the Renderscript Support Library to gain access Renderscript back to API 8, including android.support.v8.renderscript.ScriptIntrinsicBlur

Android: ScriptIntrinsicBlur 错误

Android: ScriptIntrinsicBlur error

android

blur

renderscript