Android webview未显示服务人员保存的脱机页面

webView.getSettings().setCacheMode(WebSettings.LOAD_DEFAULT);

ConnectivityManager connectivityManager = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
if (networkInfo != null && networkInfo.isConnected()) {
    // 有网络连接，加载页面
    webView.loadUrl("your_url_here");
} else {
    // 无网络连接，提示用户
    Toast.makeText(getApplicationContext(), "请检查网络连接", Toast.LENGTH_SHORT).show();
}

webView.setWebViewClient(new WebViewClient() {
    @Override
    public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
        // 页面加载失败，进行错误处理或提醒用户
        Toast.makeText(getApplicationContext(), "页面加载失败", Toast.LENGTH_SHORT).show();
    }
});