[Android-Bug] Android WebView XMLHttpRequest cannot load file from android asset folder

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WebView调用assets里的html，其中jquery的ajax请求报错误：Cross region XHMLHttpRequest…

解决方式：

// settings for webview
mWebView = (WebView)findViewById(R.id.activity_main_webview);
mWebView.getSettings().setJavaScriptEnabled(true);
mWebView.getSettings().setPluginState(PluginState.ON);
mWebView.getSettings().setAllowFileAccess(true);
mWebView.getSettings().setAllowContentAccess(true);
mWebView.getSettings().setAllowFileAccessFromFileURLs(true);
mWebView.getSettings().setAllowUniversalAccessFromFileURLs(true);

//load file
mWebView.loadUrl("file:///android_asset/www/index.html");