BlurUtils.java 文件源码

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
public static void blurAdvanced(Context context, Bitmap bkg, View view) {
    if (bkg != null) {
        Bitmap overlay = Bitmap.createBitmap(bkg.getWidth(), bkg.getHeight(), Config.ARGB_8888);
        Canvas canvas = new Canvas(overlay);
        Paint paint = new Paint();
        paint.setFlags(2);
        canvas.drawBitmap(bkg, 0.0f, 0.0f, paint);
        overlay = FastBlur.doBlur(overlay, (int) 12.0f, true);
        if (LetvUtils.getSDKVersion() >= 16) {
            view.setBackground(new BitmapDrawable(context.getResources(), overlay));
        } else {
            view.setBackgroundDrawable(new BitmapDrawable(context.getResources(), overlay));
        }
    }
}