Android webView 拦截http地址的图片，加载不了图片

Android webView 5.0 不允许混合模式，https中不能加载http的资源
会报错
This request has been blocked; the content must be served over HTTPS

解决方案

//解决加载不了http图片的问题
        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.LOLLIPOP) {
            webView.getSettings().setMixedContentMode(WebSettings.MIXED_CONTENT_ALWAYS_ALLOW);
        }
        webView.getSettings().setBlockNetworkImage(false);