网站/APP 转黑白

前端 2022-11-30 20:58:07 803 0

网站/App转黑白代码：

网站一句话转黑白：修改body

<body style="filter: grayscale(100%);">

Flutter:

ColorFiltered(
    colorFilter.mode(Colors.grey, BlendMode.exclusion),
    child:MaterialApp(
        ///...
    )
)

Android:

Paint paint = new Paint();
ColorMatrix cm = new ColorMatrix();
cm.setSaturation(0);
paint.setColorFilter(new ColorMatrixColorFilter(cm));
getWindow().getDecorView().setLayerType(View.LAYER_TYPE_HARDWARE, paint);

// for webview
webView.setLayerType(View.LAYER_TYPE_HARDWARE, null);

IOS:

参考: https://www.jianshu.com/p/b793b9040557