Android护眼模式（argb）

   protected void initEyeView() {
        ViewGroup content = ((ViewGroup) findViewById(android.R.id.content));
        view = new FrameLayout(this);
        view.setBackgroundColor(Color.TRANSPARENT);          //设置透明
        WindowManager.LayoutParams params = new WindowManager.LayoutParams();
        params.flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL     //不触碰
                | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE            //不可定焦
                | WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;           //不可触
        params.width = WindowManager.LayoutParams.MATCH_PARENT;
        params.height = WindowManager.LayoutParams.MATCH_PARENT;
        content.addView(view, params);
    }

    public int getFilterColor() {
    //第一种
        int a = (int) (67.5);   
        int r = (int) (199);
        int g = (int) (237);
        int b = (int) (204);
    //第二种
//        int a = (int) (67.5);     //透明度
//        int r = (int) (129);
//        int g = (int) (116);
//        int b = (int) (38);
        return Color.argb(a, r, g, b);
    }

public void openEye() {
    view.setBackgroundColor(getFilterColor());
}

  public void closeEye() {
        view.setBackgroundColor(Color.TRANSPARENT);
    }