ShimmerViewHelper.java 文件源码

private void resetLinearGradient() {

        // our gradient is a simple linear gradient from textColor to reflectionColor. its axis is at the center
        // when it's outside of the view, the outer color (textColor) will be repeated (Shader.TileMode.CLAMP)
        // initially, the linear gradient is positioned on the left side of the view
        linearGradient = new LinearGradient(-view.getWidth(), 0, 0, 0,
                new int[]{
                        primaryColor,
                        reflectionColor,
                        primaryColor,
                },
                new float[]{
                        0,
                        0.5f,
                        1
                },
                Shader.TileMode.CLAMP
        );

        paint.setShader(linearGradient);
    }