public override void ViewDidLoad()
{
base.ViewDidLoad();
navBar = new UIToolbar();
navBar.Frame = new RectangleF(0, this.View.Frame.Height - 130, this.View.Frame.Width, 40);
items = new UIBarButtonItem [] {
new UIBarButtonItem("Back", UIBarButtonItemStyle.Bordered, (o, e) => { webView.GoBack(); }),
new UIBarButtonItem("Forward", UIBarButtonItemStyle.Bordered, (o, e) => { webView.GoForward(); }),
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null),
new UIBarButtonItem(UIBarButtonSystemItem.Refresh, (o, e) => { webView.Reload(); }),
new UIBarButtonItem(UIBarButtonSystemItem.Stop, (o, e) => { webView.StopLoading(); })
};
navBar.Items = items;
webView = new UIWebView();
webView.Frame = new RectangleF(0, 0, View.Frame.Width, View.Frame.Height - 130);
webView.LoadStarted += delegate {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
};
webView.LoadFinished += delegate {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
};
webView.ScalesPageToFit = true;
webView.SizeToFit();
webView.LoadRequest(url);
View.AddSubview(webView);
View.AddSubview(navBar);
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
navBar = new UIToolbar();
navBar.Frame = new CGRect(0, View.Frame.Height - 40, View.Frame.Width, 40);
navBar.TintColor = UIColor.Gray;
items = new [] {
new UIBarButtonItem(UIBarButtonSystemItem.Stop, (o, e) => {
webView.StopLoading();
DismissViewController(true, null);
}),
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null),
new UIBarButtonItem(UIBarButtonSystemItem.Refresh, (o, e) => webView.Reload())
};
navBar.Items = items;
webView = new UIWebView();
webView.Frame = new CGRect(0, 0, View.Frame.Width, View.Frame.Height - 40);
webView.ScalesPageToFit = true;
webView.SizeToFit();
webView.LoadRequest(url);
navBar.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleTopMargin;
webView.AutoresizingMask = UIViewAutoresizing.FlexibleDimensions;
View.AddSubviews(new UIView[] { webView, navBar });
}
void OnDestroy()
{
// load a blank page before removing it
_webview.StopLoading();
_webview.LoadHTMLString("", new NSURL(""));
_webview.RemoveFromSuperview();
// _webview.hidden = true;
_webview = null;
_request = null;
_url = null;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
//navigation bar
NavigationItem.LeftBarButtonItem = new UIBarButtonItem(UIBarButtonSystemItem.Cancel, (sender, e) =>
{
webView.StopLoading();
this.redirectUrlCallback(null, true);
this.DismissViewController(true, null);
});
var activityStyle = UIActivityIndicatorViewStyle.White;
activity = new UIActivityIndicatorView(activityStyle);
NavigationItem.RightBarButtonItem = new UIBarButtonItem(activity);
//init webView
webView = new UIWebView(this.View.Bounds);
webView.AutoresizingMask = UIViewAutoresizing.All;
this.View.AddSubview(webView);
webView.ShouldStartLoad = (webView, request, navigationType) =>
{
string requestUrl = request.Url.AbsoluteString;
if (redirectUrlValidator(requestUrl))
{
ValidateRedirectUrl(requestUrl);
return(false);
}
else
{
return(true);
}
};
webView.LoadStarted += (sender, e) =>
{
activity.StartAnimating();
};
webView.LoadFinished += (sender, e) =>
{
activity.StopAnimating();
};
webView.LoadError += (sender, e) =>
{
activity.StopAnimating();
};
//load
webView.LoadRequest(NSUrlRequest.FromUrl(NSUrl.FromString(url)));
}
public override void Dispose()
{
if (activityIndicator != null)
{
if (isActivityIndicatorVisible)
{
activityIndicator.RemoveFromSuperview();
isActivityIndicatorVisible = false;
}
activityIndicator.Dispose();
activityIndicator = null;
}
if (webView != null)
{
webView.StopLoading();
webView.Delegate = null;
var localWebView = webView;
Application.InvokeOnMainThread(() => {
localWebView.RemoveFromSuperview(); // RemoveFromSuperview must run in main thread only.
localWebView.Dispose();
});
webView = null;
}
}
protected WebViewController()
{
var fixedSpace = new UIBarButtonItem(UIBarButtonSystemItem.FixedSpace, null)
{
Width = 26
};
var flexibleSpace = new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null);
toolbar = new UIToolbar();
topBar = new UIToolbar();
title = new UILabel(new RectangleF(10, 0, 80, 30))
{
BackgroundColor = UIColor.Clear,
AdjustsFontSizeToFitWidth = true,
Font = UIFont.BoldSystemFontOfSize(22),
MinimumFontSize = 14,
TextColor = UIColor.White,
ShadowColor = UIColor.FromRGB(64, 74, 87),
ShadowOffset = new SizeF(0, -1)
};
topBar.Items = new UIBarButtonItem [] {
new UIBarButtonItem(title),
flexibleSpace,
new UIBarButtonItem(Locale.GetText("Close"), UIBarButtonItemStyle.Bordered, (o, e) => { DismissModalViewControllerAnimated(true); })
};
backButton = new UIBarButtonItem(UIImage.FromBundle("Images/back.png"), UIBarButtonItemStyle.Plain, (o, e) => { WebView.GoBack(); });
forwardButton = new UIBarButtonItem(UIImage.FromBundle("Images/forward.png"), UIBarButtonItemStyle.Plain, (o, e) => { WebView.GoForward(); });
refreshButton = new UIBarButtonItem(UIBarButtonSystemItem.Refresh, (o, e) => { WebView.Reload(); });
stopButton = new UIBarButtonItem(UIBarButtonSystemItem.Stop, (o, e) => { WebView.StopLoading(); });
toolbar.Items = new UIBarButtonItem [] { backButton, fixedSpace, forwardButton, flexibleSpace, stopButton, fixedSpace, refreshButton };
View.AddSubview(topBar);
View.AddSubview(toolbar);
}
public override void Selected (DialogViewController dvc, UITableView tableView, NSIndexPath path)
{
int i = 0;
var vc = new WebViewController (this) {
Autorotate = dvc.Autorotate
};
web = new UIWebView (UIScreen.MainScreen.Bounds) {
BackgroundColor = UIColor.White,
ScalesPageToFit = true,
AutoresizingMask = UIViewAutoresizing.All
};
web.LoadStarted += delegate {
// this is called several times and only one UIActivityIndicatorView is needed
if (i++ == 0) {
var indicator = new UIActivityIndicatorView (UIActivityIndicatorViewStyle.White);
vc.NavigationItem.RightBarButtonItem = new UIBarButtonItem (indicator);
indicator.StartAnimating ();
}
NetworkActivity = true;
};
web.LoadFinished += delegate {
if (--i == 0) {
// we stopped loading, remove indicator and dispose of UIWebView
vc.NavigationItem.RightBarButtonItem = null;
web.StopLoading ();
web.Dispose ();
}
NetworkActivity = false;
};
web.LoadError += (webview, args) => {
NetworkActivity = false;
vc.NavigationItem.RightBarButtonItem = null;
if (web != null)
web.LoadHtmlString (
String.Format ("<html><center><font size=+5 color='red'>{0}:<br>{1}</font></center></html>",
"An error occurred:".GetText (), args.Error.LocalizedDescription), null);
};
vc.NavigationItem.Title = Caption;
vc.View.AutosizesSubviews = true;
vc.View.AddSubview (web);
dvc.ActivateController (vc);
web.LoadRequest (NSUrlRequest.FromUrl (nsUrl));
}
public override void ViewWillDisappear(bool animated)
{
web.StopLoading();
web.Delegate = null;
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
}
public override void ViewDidLoad()
{
base.ViewDidLoad();
navBar = new UIToolbar();
if (AppDelegate.IsPhone)
{
navBar.Frame = new RectangleF(0, View.Frame.Height - 40, View.Frame.Width, 40);
}
else
{
navBar.Frame = new RectangleF(0, View.Frame.Height - 40, View.Frame.Width, 40);
}
navBar.TintColor = UIColor.DarkGray;
items = new UIBarButtonItem [] {
new UIBarButtonItem("Back", UIBarButtonItemStyle.Bordered, (o, e) => { webView.GoBack(); }),
new UIBarButtonItem("Forward", UIBarButtonItemStyle.Bordered, (o, e) => { webView.GoForward(); }),
new UIBarButtonItem(UIBarButtonSystemItem.FlexibleSpace, null),
new UIBarButtonItem(UIBarButtonSystemItem.Refresh, (o, e) => { webView.Reload(); }),
new UIBarButtonItem(UIBarButtonSystemItem.Stop, (o, e) => {
webView.StopLoading();
// Phone: NavigationController, Pad: Modal
if (NavigationController == null)
{
DismissViewController(true, () => {});
}
else
{
NavigationController.PopViewControllerAnimated(true);
}
})
};
navBar.Items = items;
webView = new UIWebView();
if (AppDelegate.IsPhone)
{
webView.Frame = new RectangleF(0, 0, View.Frame.Width, View.Frame.Height - 40);
}
else
{
webView.Frame = new RectangleF(0, 0, View.Frame.Width, View.Frame.Height - 40);
}
webView.LoadStarted += delegate {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = true;
navBar.Items[0].Enabled = webView.CanGoBack;
navBar.Items[1].Enabled = webView.CanGoForward;
};
webView.LoadFinished += delegate {
UIApplication.SharedApplication.NetworkActivityIndicatorVisible = false;
navBar.Items[0].Enabled = webView.CanGoBack;
navBar.Items[1].Enabled = webView.CanGoForward;
};
webView.ScalesPageToFit = true;
webView.SizeToFit();
webView.LoadRequest(url);
navBar.AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleTopMargin;
webView.AutoresizingMask = UIViewAutoresizing.FlexibleDimensions;
View.AddSubview(webView);
View.AddSubview(navBar);
}
