Android 网页视图加载在 API 21 及更高版本中失败

Question

我有一个使用WebView并加载页面的Android应用程序。此应用程序适用于运行 API 16 或更高版本的安卓设备。

安卓网页视图代码：

String URL = "https://sandbox.napas.com.vn/gateway/message";
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_web_view);
    webview = (WebView) findViewById(R.id.webview);
    webview.getSettings().setJavaScriptEnabled(true);
    webview.getSettings().setAllowFileAccess(true);
    webview.getSettings().setPluginState(PluginState.ON);
    webview.getSettings().setDomStorageEnabled(true);
    webview.getSettings().setAllowContentAccess(true);
    webview.getSettings().setAllowFileAccessFromFileURLs(true);
    webview.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
    webview.setWebChromeClient(new MyWebChromeClient());
    webview.loadUrl(URL);
    webview.setWebViewClient(new WebViewClient() {
        @Override
        public boolean shouldOverrideUrlLoading(WebView view, String url) {
            view.loadUrl(url);
            return true;
        }
        @Override
        public void onPageStarted(WebView view, String url, Bitmap favicon) {
            super.onPageStarted(view, url, favicon);
        }
        @Override
        public void onPageFinished(WebView view, String url) {
            super.onPageFinished(view, url);
        }
    });
}

但是 webview 加载页面为空并且有日志：

E/libEGL(25467): validate_display:255 error 3008 (EGL_BAD_DISPLAY)
W/AudioCapabilities(25467): Unsupported mime audio/evrc
W/AudioCapabilities(25467): Unsupported mime audio/qcelp
W/VideoCapabilities(25467): Unrecognized profile 2130706433 for video/avc
W/AudioCapabilities(25467): Unsupported mime audio/amr-wb-plus
W/AudioCapabilities(25467): Unsupported mime audio/mpeg-L1
W/AudioCapabilities(25467): Unsupported mime audio/mpeg-L2
D/ConnectivityManager(25467): CallingUid : 10063, CallingPid : 25467
D/ConnectivityManager.CallbackHandler(25467): CM callback handler got msg 524290
W/AudioCapabilities(25467): Unsupported mime audio/x-ms-wma
W/AudioCapabilities(25467): Unsupported mime audio/x-ima
W/AudioCapabilities(25467): Unsupported mime audio/qcelp
W/AudioCapabilities(25467): Unsupported mime audio/evrc
W/VideoCapabilities(25467): Unsupported mime video/wvc1
W/VideoCapabilities(25467): Unsupported mime video/x-ms-wmv
W/VideoCapabilities(25467): Unrecognized profile/level 32768/2 for video/mp4v-es
W/VideoCapabilities(25467): Unsupported mime video/wvc1
W/VideoCapabilities(25467): Unsupported mime video/x-ms-wmv
W/VideoCapabilities(25467): Unsupported mime video/x-ms-wmv7
W/VideoCapabilities(25467): Unsupported mime video/x-ms-wmv8
W/VideoCapabilities(25467): Unsupported mime video/mp43
W/VideoCapabilities(25467): Unsupported mime video/sorenson
W/VideoCapabilities(25467): Unsupported mime video/mp4v-esdp

请帮我修复此错误。谢谢

Answer 1

我通过处理 ssl 错误找到了类似问题的解决方案。基本上覆盖了Webviewclient对象中的函数onReceivedSslError并设置了handler.proceed()，消除了问题。

      WebViewClient webClient = new WebViewClient() {
            // Override page so it's load on my view only
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                return false;
            }
            @Override
            public void onPageStarted(WebView view, String url, Bitmap facIcon) {
                mLayoutProgress.setVisibility(View.VISIBLE);
            }
            @Override
            public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
                    handler.proceed();
            }
            @Override
            public void onPageFinished(WebView view, String url) {
                mLayoutProgress.setVisibility(View.GONE);
            }
        };

Answer 2

我遇到了同样的问题，我遵循了@DRY信徒的答案，但是当我将应用程序上传到Google Play时，他们拒绝了该应用程序，并说您的应用程序正在使用不安全的WebViewClient.onReceivedSslError

相反，我找到了一种在服务器上正确安装SSL证书的方法，并解决了问题