void SetupControl()
{
var webView = new Android.Webkit.WebView(Forms.Context);
_callback = new JavascriptValueCallback(this);
// https://github.com/SKLn-Rad/Xam.Plugin.WebView.Webview/issues/11
webView.LayoutParameters = new LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent);
// Defaults
if (webView.Settings == null)
{
return;
}
webView.Settings.JavaScriptEnabled = true;
webView.Settings.DomStorageEnabled = true;
webView.AddJavascriptInterface(new FormsWebViewBridge(this), "bridge");
webView.SetWebViewClient(new FormsWebViewClient(this));
webView.SetWebChromeClient(new FormsWebViewChromeClient(this));
webView.SetBackgroundColor(Android.Graphics.Color.Transparent);
FormsWebView.CallbackAdded += OnCallbackAdded;
SetNativeControl(webView);
OnControlChanged?.Invoke(this, webView);
}
void SetupControl()
{
_webView = new WebViewEx(Forms.Context);
_callback = new JavascriptValueCallback(this);
// https://github.com/SKLn-Rad/Xam.Plugin.WebView.Webview/issues/11
_webView.LayoutParameters = new LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent);
// Defaults
_webView.Settings.JavaScriptEnabled = true;
_webView.Settings.DomStorageEnabled = true;
_webView.Settings.AllowFileAccess = true;
_webView.Settings.AllowUniversalAccessFromFileURLs = true;
_webView.Settings.AllowFileAccessFromFileURLs = true;
_webView.AddJavascriptInterface(new FormsWebViewBridge(this), "bridge");
_webView.SetWebViewClient(new FormsWebViewClient(this));
_webView.SetWebChromeClient(new FormsWebViewChromeClient(this, (Activity)Forms.Context));
_webView.SetBackgroundColor(Android.Graphics.Color.Transparent);
FormsWebView.CallbackAdded += OnCallbackAdded;
SetNativeControl(_webView);
SetUserAgent();
OnControlChanged?.Invoke(this, _webView);
}
internal async Task <string> OnJavascriptInjectionRequest(string js)
{
if (Element == null || Control == null || Control.Disposed)
{
return(string.Empty);
}
var callback = new JavascriptValueCallback(this);
var response = string.Empty;
Device.BeginInvokeOnMainThread(() => {
if (Control == null || Control.Disposed)
{
return;
}
Control.EvaluateJavascript(js, callback);
});
// wait!
await Task.Run(() =>
{
while (callback.Value == null)
{
}
using (callback)
{
// Get the string and strip off the quotes
if (callback.Value is Java.Lang.String)
{
// Unescape that damn Unicode Java bull.
response = Regex.Replace(
callback.Value.ToString(),
@"\\[Uu]([0-9A-Fa-f]{4})",
m => char.ToString((char)ushort.Parse(m.Groups[1].Value, NumberStyles.AllowHexSpecifier)));
response = Regex.Unescape(response);
if (response.Equals("\"null\""))
{
response = null;
}
else if (response.StartsWith("\"") && response.EndsWith("\""))
{
response = response.Substring(1, response.Length - 2);
}
}
}
});
// return
return(response);
}
