public VideoPage(string source)
{
Source = source;
InitializeComponent();
SetUseNativePlayer();
if (UseWebPlayer)
{
VideoPlayerView.IsEnabled = false;
VideoPlayerView.IsVisible = false;
VideoWebView = new FormsWebView();
VideoWebView.Source = "video.html";
VideoWebView.ContentType = Xam.Plugin.WebView.Abstractions.Enumerations.WebViewContentType.LocalFile;
VideoStack.Children.Add(VideoWebView);
VideoWebView.OnContentLoaded += VideoWebView_OnContentLoaded;
VideoWebView.AddLocalCallback("RaiseEndedEvent", LoadNextVideo);
}
ViewModel = new VideoPageViewModel();
this.BindingContext = ViewModel;
}
public async override void DidFinishNavigation(WKWebView webView, WKNavigation navigation)
{
if (Reference == null || !Reference.TryGetTarget(out FormsWebViewRenderer renderer))
{
return;
}
if (renderer.Element == null)
{
return;
}
renderer.Element.HandleNavigationCompleted(webView.Url.ToString());
await renderer.OnJavascriptInjectionRequest(FormsWebView.InjectedFunction);
if (renderer.Element.EnableGlobalCallbacks)
{
foreach (var function in FormsWebView.GlobalRegisteredCallbacks)
{
await renderer.OnJavascriptInjectionRequest(FormsWebView.GenerateFunctionScript(function.Key));
}
}
foreach (var function in renderer.Element.LocalRegisteredCallbacks)
{
await renderer.OnJavascriptInjectionRequest(FormsWebView.GenerateFunctionScript(function.Key));
}
renderer.Element.CanGoBack = webView.CanGoBack;
renderer.Element.CanGoForward = webView.CanGoForward;
renderer.Element.Navigating = false;
renderer.Element.HandleContentLoaded();
}
public MainPage()
{
try {
InitializeComponent();
FormsWebView fwv = new FormsWebView();
fwv.Source = digiview.Helper.SettingsHelper.GetPath();
fwv.IsVisible = true;
fwv.MinimumWidthRequest = 200;
fwv.MinimumHeightRequest = 200;
fwv.HorizontalOptions = LayoutOptions.FillAndExpand;
fwv.VerticalOptions = LayoutOptions.FillAndExpand;
fwv.EnableGlobalHeaders = true;
fwv.OnContentLoaded += this.Fwv_OnContentLoaded;
((digiview.App)App.Current).SetWebView(fwv);
this.web_grid.Children.Add(fwv);
Models.Sync.SyncModel.GetInstance().Start();
} catch (TimeoutException te) {
Console.WriteLine(te.Message);
} catch (Exception e) {
Console.WriteLine(e.Message);
}
}
public JavascriptSample()
{
InitializeComponent();
InjectionText.Text = "document.body.style.backgroundColor = \"red\";";
GlobalText.Text = "globalCallback('Hello from Javascript!');";
LocalText.Text = "localCallback('Hello from Javascript!');";
FormsWebView.AddGlobalCallback("globalCallback", GlobalCallback);
WebContent.AddLocalCallback("localCallback", LocalCallback);
}
public JavascriptString()
{
InitializeComponent();
WebContent.Source = "<!doctype html><html><head></head><body><h1>String Data Example</h1></body></html>";
InjectionText.Text = "document.body.style.backgroundColor = \"red\";";
GlobalText.Text = "globalCallback('Hello from Javascript!');";
LocalText.Text = "localCallback('Hello from Javascript!');";
FormsWebView.AddGlobalCallback("globalCallback", GlobalCallback);
WebContent.AddLocalCallback("localCallback", LocalCallback);
}
public async override void OnPageFinished(Android.Webkit.WebView view, string url)
{
if (Reference == null || !Reference.TryGetTarget(out FormsWebViewRenderer renderer))
{
return;
}
if (renderer.Element == null || (view as WebViewEx).Disposed)
{
return;
}
// Add Injection Function
await renderer.OnJavascriptInjectionRequest(FormsWebView.InjectedFunction);
if (renderer?.Element == null || (view as WebViewEx).Disposed)
{
return;
}
// Add Global Callbacks
if (renderer.Element.EnableGlobalCallbacks)
{
foreach (var callback in FormsWebView.GlobalRegisteredCallbacks)
{
await renderer.OnJavascriptInjectionRequest(FormsWebView.GenerateFunctionScript(callback.Key));
}
}
// Add Local Callbacks
foreach (var callback in renderer.Element.LocalRegisteredCallbacks)
{
await renderer.OnJavascriptInjectionRequest(FormsWebView.GenerateFunctionScript(callback.Key));
}
if (renderer?.Element == null || (view as WebViewEx).Disposed)
{
return;
}
renderer.Element.CanGoBack = view.CanGoBack();
renderer.Element.CanGoForward = view.CanGoForward();
renderer.Element.Navigating = false;
renderer.Element.HandleNavigationCompleted(url);
renderer.Element.HandleContentLoaded();
}
public override void DidFinishNavigation(WKWebView webView, WKNavigation navigation)
{
Renderer.InjectJS(WebViewControlDelegate.InjectedFunction);
foreach (var key in Element.GetLocalCallbacks())
{
Renderer.InjectJS(WebViewControlDelegate.GenerateFunctionScript(key));
}
foreach (var key in FormsWebView.GetGlobalCallbacks())
{
Renderer.InjectJS(WebViewControlDelegate.GenerateFunctionScript(key));
}
Element.InvokeEvent(WebViewEventType.NavigationStackUpdate, new NavigationStackUpdateDelegate(Element, Renderer.Control.CanGoBack, Renderer.Control.CanGoForward));
Element.InvokeEvent(WebViewEventType.ContentLoaded, new ContentLoadedDelegate(Element, webView.Url.AbsoluteUrl.ToString()));
}
public App()
{
var htmlString = @"
<html>
<head>
<meta charset='utf-8'/>
</head>
<body>
<h1>Title</h1>
<a href='http://www.google.com'>google</a>
</body>
</html>
";
FormsWebView wv = new FormsWebView();
wv.ContentType = Xam.Plugin.Abstractions.Enumerations.WebViewContentType.StringData;
wv.Source = htmlString;
wv.HeightRequest = 500.0;
wv.WidthRequest = 500.0;
label.Text = "Initial";
// The root page of your application
var content = new ContentPage
{
Title = "lastCalendar",
Content = new StackLayout
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Red,
Children =
{
label,
wv
}
}
};
wv.OnNavigationStarted += Wv_OnNavigationStarted;
//content.Appearing += Content_Appearing;
MainPage = new NavigationPage(content);
}
public override void OnPageFinished(Android.Webkit.WebView view, string url)
{
Element.InvokeEvent(WebViewEventType.NavigationComplete, new NavigationCompletedDelegate(Element, url, true));
Renderer.InjectJavascript(WebViewControlDelegate.InjectedFunction);
foreach (var key in FormsWebView.GetGlobalCallbacks())
{
Renderer.InjectJavascript(WebViewControlDelegate.GenerateFunctionScript(key));
}
foreach (var key in Element.GetLocalCallbacks())
{
Renderer.InjectJavascript(WebViewControlDelegate.GenerateFunctionScript(key));
}
Element.InvokeEvent(WebViewEventType.NavigationStackUpdate, new NavigationStackUpdateDelegate(Element, Renderer.Control.CanGoBack(), Renderer.Control.CanGoForward()));
Element.InvokeEvent(WebViewEventType.ContentLoaded, new ContentLoadedDelegate(Element, url));
base.OnPageFinished(view, url);
}
public WebPage()
{
Instance = this;
InitializeComponent();
On <iOS>().SetUseSafeArea(true);
webSpeaker = WebSpeaker.Instance;
webSpeaker.SetWebView(WebContent);
// 加载帮助文档
WebContent.ContentType = WebViewContentType.LocalFile;
WebContent.Source = "index.html";
WebContent.OnContentLoaded += WebContent_OnContentLoaded;
WebView = WebContent;
}
private void Button_Clicked(object sender, EventArgs e)
{
count = count + 1;
Debug.WriteLine($"Button Clicked, Count = {count}");
stack.Children.Clear();
FormsWebView wv3 = new FormsWebView()
{
Source = htmlString(count.ToString()),
ContentType = Xam.Plugin.Abstractions.Enumerations.WebViewContentType.StringData,
BackgroundColor = Color.Red,
HeightRequest = 300.0,
WidthRequest = 300.0
};
//wv3.RemoveAllLocalCallbacks();
//wv3.RemoveAllGlobalCallbacks();
wv3.RegisterLocalCallback("test", s => { Debug.WriteLine($"from {count}: " + s); });
wv3.OnContentLoaded += Wv3_OnContentLoaded;
wv3.OnNavigationStarted += Wv3_OnNavigationStarted;
stack.Children.Add(wv3);
}
public MainPage()
{
InitializeComponent();
//SampleWebView.Source= "http://169.254.80.80:8080/bonita/loginservice?redirectUrl=portal%2Fhomepage&username=walter.bates&password=bpm" ;
SampleWebView.Source = "http://169.254.80.80:3000/Home/About";
FormsWebView.AddGlobalCallback("InvokeFunction", async(p) =>
{
var person = JsonConvert.DeserializeObject <Person>(p);
await DisplayAlert("InvokeFunction", person.Name + person.Password, "OK");
// var argument = JsonConvert.SerializeObject(person);
// await SampleWebView.InjectJavascriptAsync("InvokeFunctionReturnData('" + argument + "')");
});
SampleWebView.AddLocalCallback("InvokeFunction", async(p) =>
{
var person = JsonConvert.DeserializeObject <Person>(p);
await DisplayAlert("InvokeFunction", person.Name + person.Password, "OK");
// var argument = JsonConvert.SerializeObject(person);
// await SampleWebView.InjectJavascriptAsync("InvokeFunctionReturnData('" + argument + "')");
});
execute.Clicked += Execute_Clicked;
}
public App()
{
WebView = new FormsWebView()
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
Uri = "https://www.xamarin.com"
};
WebView.RegisterCallback("test", (str) =>
{
Debug.WriteLine(str);
});
// The root page of your application
var content = new ContentPage
{
Title = "SampleApp",
Content = new StackLayout
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Red,
Children =
{
WebView
}
}
};
WebView.NavigationStarted += OnNavigationStarted;
WebView.NavigationCompleted += OnNavigationComplete;
WebView.OnJavascriptResponse += OnJavascriptResponse;
content.Appearing += Content_Appearing;
MainPage = new NavigationPage(content);
}
protected WebViewDelegate(FormsWebView sender)
{
Sender = sender;
}
public JavascriptResponseDelegate(FormsWebView element, string data) : base(element)
{
Data = data;
}
public void SetWebView(FormsWebView webview)
{
this.web_content = webview;
}
public NavigationStackUpdateDelegate(FormsWebView sender, bool canGoBack, bool canGoForward) : base(sender)
{
CanGoBack = canGoBack;
CanGoForward = canGoForward;
}
public NavigationCompletedDelegate(FormsWebView element, string uri, bool isSuccess = true) : base(element)
{
Uri = uri;
IsSuccess = isSuccess;
}
public NavigationErrorDelegate(FormsWebView sender, int errorCode) : base(sender)
{
ErrorCode = errorCode;
}
internal void InjectJavascript(FormsWebView sender, string js)
{
OnInjectJavascriptRequest?.Invoke(sender, js);
}
public void NotifyCallbacksChanged(FormsWebView sender, string key, bool isGlobal)
{
OnActionAdded?.Invoke(sender, key, isGlobal);
}
public App()
{
WebView = new FormsWebView()
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
ContentType = WebViewContentType.Internet,
Source = "https://www.xamarin.com"
};
/*
* Uncomment to use HTML data
* WebView = new FormsWebView()
* {
* VerticalOptions = LayoutOptions.FillAndExpand,
* HorizontalOptions = LayoutOptions.FillAndExpand,
* ContentType = WebViewContentType.StringData,
* Source = "<html><body><h1>Hello World!</h1></body></html>"
* };
*/
/*
* Uncomment to use local file
* WebView = new FormsWebView()
* {
* VerticalOptions = LayoutOptions.FillAndExpand,
* HorizontalOptions = LayoutOptions.FillAndExpand,
* ContentType = WebViewContentType.LocalFile,
* Source = "Sample.html"
* };
*/
WebView.RegisterCallback("test", (str) =>
{
Debug.WriteLine(str);
});
// The root page of your application
var content = new ContentPage
{
Title = "SampleApp",
Content = new StackLayout
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
BackgroundColor = Color.Red,
Children =
{
WebView
}
}
};
WebView.OnNavigationStarted += OnNavigationStarted;
WebView.OnNavigationCompleted += OnNavigationComplete;
WebView.OnContentLoaded += OnContentLoaded;
WebView.OnJavascriptResponse += OnJavascriptResponse;
content.Appearing += Content_Appearing;
MainPage = new NavigationPage(content);
}
public NavigationRequestedDelegate(FormsWebView element, string uri) : base(element)
{
Uri = uri;
}
public FormsWKNavigationDelegate(FormsWebViewRenderer renderer, FormsWebView element)
{
Renderer = renderer;
Element = element;
}
public ContentLoadedDelegate(FormsWebView element, string uri) : base(element)
{
Uri = uri;
}
public void PerformNavigation(FormsWebView sender, string uri, WebViewContentType contentType)
{
OnNavigationRequestedFromUser?.Invoke(sender, uri, contentType);
}
public void SetWebView(FormsWebView webView)
{
this.webView = webView;
}
internal void NavigateThroughStack(FormsWebView sender, bool forward)
{
OnStackNavigationRequested?.Invoke(sender, forward);
}
public FormsWebViewClient(FormsWebView element, FormsWebViewRenderer renderer)
{
Element = element;
Renderer = renderer;
}
