在android WebView上有空白/白屏

webView.setWebViewClient(new WebViewClient() {
    @Override
    public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
        super.onReceivedError(view, request, error);
        // 显示错误页面或提示信息
    }
});

webView.setWebViewClient(new WebViewClient() {
    @Override
    public void onReceivedError(WebView view, WebResourceRequest request, WebResourceError error) {
        super.onReceivedError(view, request, error);
        // 尝试重新加载页面
        view.reload();
    }
});

WebSettings webSettings = webView.getSettings();
webSettings.setJavaScriptEnabled(true);

WebSettings webSettings = webView.getSettings();
webSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);

<WebView
    android:id="@+id/webview"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

<uses-permission android:name="android.permission.INTERNET"/>