private async void Init()
{
//load the article detail
_viewModel = new ArticleDetailViewModel ();
await _viewModel.InitData (_articleId);
var webView = new WebView {
Source = new HtmlWebViewSource { Html = _viewModel.Article.ArticleText},
VerticalOptions = LayoutOptions.FillAndExpand
};
var image = new Image {Source = _viewModel.Article.ImageUrl };
this.Content = new StackLayout {
VerticalOptions = LayoutOptions.FillAndExpand,
Padding = new Thickness (
left: 10,
right: 10,
bottom: 10,
top: Device.OnPlatform (iOS: 20, Android: 0, WinPhone: 0)),
Children = {
image,
webView
}
};
}
public PartsOfSpeechPage (RogetCategory cat)
{
NavigationPage.SetHasNavigationBar (this, true);
web = new WebView {
WidthRequest = 400,
HeightRequest = 800
}; // want this to just always go full-screen...
var htmlSource = new HtmlWebViewSource ();
htmlSource.Html = FormatText(cat.PartsOfSpeech);
web.Source = htmlSource;
// test PopToRootAsync bugfix in 1.2.2-pre2
var b = new Button { Text = "Main Menu" };
b.Clicked += async (sender, e) => {
await Navigation.PopToRootAsync();
};
Content = new StackLayout {
VerticalOptions = LayoutOptions.StartAndExpand,
Children = {b, web}
};
}
public LinkedInLoginPage(LinkedInConnection connection)//string key, string secret, string scope, string redirectURL)
{
this.Title = "LinkedInLoginPage";
this._Connection = connection;
this._Browser = new WebView();
// LinkedInConnection connection = new LinkedInConnection(key, secret, scope, redirectURL);
this._Connection.SignIn(this._Browser);
Label lbl = new Label() { Text = "Connecting..." };
lbl.SetBinding(Label.IsVisibleProperty, "IsVisible", BindingMode.OneWay, new BooleanInverterConverter());
lbl.BindingContext = this._Browser;
this._BaseLayout = new StackLayout()
{
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
};
this._BaseLayout.Children.Add(lbl);
this._BaseLayout.Children.Add(this._Browser);
this._Browser.IsVisible = false;
Padding = new Thickness(0, Device.OnPlatform(20, 0, 0), 0, 0); // Accomodate iPhone status bar.
Content = this._BaseLayout;
}
public TitleIXPage()
{
// Set Page Title
Title = "Title IX Rights";
var source = new UrlWebViewSource ();
source.Url = "http://knowyourix.org/title-ix/title-ix-the-basics/";
var webView = new WebView {
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Source = source
};
webView.Navigating += (object sender, WebNavigatingEventArgs e) => {
System.Diagnostics.Debug.WriteLine("Loading");
};
webView.Navigated += (object sender, WebNavigatedEventArgs e) => {
System.Diagnostics.Debug.WriteLine("Done");
};
Content = new ContentView {
Content = new StackLayout {
Children = {
webView
}
}
};
}
public static Maoui.Element CreateElement()
{
var panel = new StackLayout();
var titleLabel = new Xamarin.Forms.Label
{
Text = "WebView",
FontSize = 24,
FontAttributes = FontAttributes.Bold
};
panel.Children.Add(titleLabel);
Xamarin.Forms.WebView webview = new Xamarin.Forms.WebView
{
Source = "http://www.xamarin.com"
};
panel.Children.Add(webview);
var page = new ContentPage
{
Content = panel
};
return(page.GetMaouiElement());
}
public AboutPage ()
{
NavigationPage.SetHasNavigationBar (this, true);
Title = "About Evolve";
// embedded HTML page
// var source = new HtmlWebViewSource ();
// source.BaseUrl = "About.html";
// source.Html = "About.html";
// a URL is easier
var source = new UrlWebViewSource ();
source.Url = "http://xamarin.com/evolve/2013";
var web = new WebView {
WidthRequest = 300,
HeightRequest = 400
};
web.Source = source;
Content = new StackLayout {
VerticalOptions = LayoutOptions.StartAndExpand,
Children = {
web,
}
};
}
public WebViewDemoPage()
{
Label header = new Label
{
Text = "WebView",
Font = Font.BoldSystemFontOfSize(50),
HorizontalOptions = LayoutOptions.Center
};
WebView webView = new WebView
{
Source = new UrlWebViewSource
{
Url = "http://blog.xamarin.com/",
},
VerticalOptions = LayoutOptions.FillAndExpand
};
// Accomodate iPhone status bar.
this.Padding = new Thickness(10, Device.OnPlatform(20, 0, 0), 10, 5);
// Build the page.
this.Content = new StackLayout
{
Children =
{
header,
webView
}
};
}
public BlogDetailsView(FeedItem item)
{
BindingContext = item;
var webView = new WebView
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
webView.Source = new HtmlWebViewSource
{
Html = item.Description
};
Content = new StackLayout
{
Children =
{
webView
}
};
var share = new ToolbarItem
{
Icon = "ic_share.png",
Text = "Share",
Command = new Command(() => DependencyService.Get<IShare>()
.ShareText("Be sure to read @shanselman's " + item.Title + " " + item.Link))
};
ToolbarItems.Add(share);
}
internal void SignIn(WebView browser)
{
// browser.IsVisible = true;
browser.Source = LoginUri();
browser.PropertyChanged += browser_PropertyChanged;
}
protected override void Dispose(bool disposing)
{
_webViewForms = null;
_webViewDroid = null;
base.Dispose(disposing);
}
/// <summary>
/// Creates a PNG from the contents of a Xamarin.Forms.WebView
/// </summary>
/// <param name="webView">Xamarin.Forms.WebView</param>
/// <param name="fileName">Name (not path), excluding suffix, of PDF file</param>
/// <param name="pageSize">PDF page size, in points. (default based upon user's region)</param>
/// <param name="margin">PDF page's margin, in points. (default is zero)</param>
/// <returns>Forms9Patch.ToFileResult</returns>
public static async Task <ToFileResult> ToPdfAsync(this Xamarin.Forms.WebView webView, string fileName, PageSize pageSize = default, PageMargin margin = default)
{
_platformToPdfService = _platformToPdfService ?? DependencyService.Get <IToPdfService>();
if (_platformToPdfService == null)
{
throw new NotSupportedException("Cannot get HtmlService: must not be supported on this platform.");
}
ToFileResult result = null;
using (var indicator = ActivityIndicatorPopup.Create())
{
if (pageSize is null || pageSize.Width <= 0 || pageSize.Height <= 0)
{
pageSize = PageSize.Default;
}
margin = margin ?? new PageMargin();
if (pageSize.Width - margin.HorizontalThickness < 1 || pageSize.Height - margin.VerticalThickness < 1)
{
return(new ToFileResult(true, "Page printable area (page size - margins) has zero width or height."));
}
result = await _platformToPdfService.ToPdfAsync(webView, fileName, pageSize, margin);
await indicator.CancelAsync();
}
await Task.Delay(50);
return(result);
}
public WindowsWebViewPageCS()
{
var webView = new Xamarin.Forms.WebView
{
HeightRequest = 50,
Source = new HtmlWebViewSource
{
Html = @"<html><body><button onclick=""window.alert('Hello World from JavaScript');"">Click Me</button></body></html>"
}
};
webView.On <Windows>().SetIsJavaScriptAlertEnabled(true);
var toggleButton = new Button {
Text = "Toggle JavaScript alert"
};
toggleButton.Clicked += (sender, e) => webView.On <Windows>().SetIsJavaScriptAlertEnabled(!webView.On <Windows>().IsJavaScriptAlertEnabled());
Title = "WebView JavaScript Alert";
Content = new StackLayout
{
Margin = new Thickness(20),
Children = { webView, toggleButton }
};
}
//View
public LoadWebpageDemoPage()
{
var heading = new Label
{
Text = "Webpage",
HorizontalOptions = LayoutOptions.Center,
FontSize = 50,
FontAttributes = FontAttributes.Bold | FontAttributes.Italic
};
var webExample = new WebView
{
Source = "https://xamarin.com/branding",
VerticalOptions = LayoutOptions.FillAndExpand
};
var mainLayout = new StackLayout
{
Children =
{
heading,
webExample
}
};
Content = mainLayout;
}
public void ToPng(TaskCompletionSource <ToFileResult> taskCompletionSource, Xamarin.Forms.WebView xfWebView, string fileName, int width)
{
Device.BeginInvokeOnMainThread(async() =>
{
if (Platform.GetRenderer(xfWebView) is Xamarin.Forms.Platform.UWP.WebViewRenderer renderer)
{
var webView = renderer.Control;
var contentSize = await webView.WebViewContentSizeAsync();
System.Diagnostics.Debug.WriteLine("A contentSize=[" + contentSize + "]");
System.Diagnostics.Debug.WriteLine("A webView.Size=[" + webView.Width + "," + webView.Height + "] IsOnMainThread=[" + P42.Utils.Environment.IsOnMainThread + "]");
webView.SetValue(BeforeWidthProperty, contentSize.Width);
webView.SetValue(BeforeHeightProperty, contentSize.Height);
webView.SetValue(PngFileNameProperty, fileName);
webView.SetValue(TaskCompletionSourceProperty, taskCompletionSource);
webView.SetValue(PngWidthProperty, width);
webView.Width = width;
webView.NavigationCompleted += NavigationCompleteA;
webView.NavigationFailed += WebView_NavigationFailed;
//webView.Width = width;
NavigationCompleteA(webView, null);
}
});
}
public void ToPdf(TaskCompletionSource <ToFileResult> taskCompletionSource, Xamarin.Forms.WebView xfWebView, string fileName, PageSize pageSize, PageMargin margin)
{
if (Platform.CreateRendererWithContext(xfWebView, Settings.Context) is IVisualElementRenderer renderer)
{
var droidWebView = renderer.View as Android.Webkit.WebView;
if (droidWebView == null && renderer.View is WebViewRenderer xfWebViewRenderer)
{
droidWebView = xfWebViewRenderer.Control;
}
if (droidWebView != null)
{
//var size = new Size(8.5, 11);
//var externalPath = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath;
//using (var dir = new Java.IO.File(externalPath))
//using (var file = new Java.IO.File(dir + "/" + fileName + ".pdf"))
//{
//if (!dir.Exists())
// dir.Mkdir();
//if (file.Exists())
// file.Delete();
droidWebView.SetLayerType(LayerType.Software, null);
droidWebView.Settings.JavaScriptEnabled = true;
#pragma warning disable CS0618 // Type or member is obsolete
droidWebView.DrawingCacheEnabled = true;
droidWebView.BuildDrawingCache();
#pragma warning restore CS0618 // Type or member is obsolete
droidWebView.SetWebViewClient(new WebViewCallBack(taskCompletionSource, fileName, pageSize, margin, OnPageFinished));
//}
}
}
}
public PayByCardPage(string URL, OrderModel orderModel)
{
Button button = new Button
{
Text = "Back TO SHOP HOME",
VerticalOptions = LayoutOptions.StartAndExpand,
HeightRequest = 50,
WidthRequest = 50,
BackgroundColor = Color.Orange
};
button.Clicked += OnButtonClicked;
string PreparedURL = Prepare_PaymentGatewayCall(orderModel);
var PaymentPageView = new Xamarin.Forms.WebView
{
Source = (GlobalSettings.WebXPayRequest + PreparedURL),
HeightRequest = (Application.Current.MainPage.Height * 90 / 100),
WidthRequest = (Application.Current.MainPage.Width),
FlowDirection = FlowDirection.MatchParent,
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand
};
PaymentPageView.BackgroundColor = Color.Yellow;
Content = new StackLayout {
Children = { PaymentPageView, button }
};
}
public FacebookLoginPage(FacebookConnection connection)
{
this.Title = "FacebookLoginPage";
// Connection = new FacebookConnection(key, secret, scope);
// connection.SignInCompleted += Connection_SignInCompleted;
this._Connection = connection;
this._Browser = new WebView();
//_Browser.Source = new UrlWebViewSource() { Url = _Connection.LoginUri().AbsoluteUri };
this._Connection.SignIn(this._Browser);
Label lbl = new Label ()
{ Text = "Connecting..." };
lbl.SetBinding(Label.IsVisibleProperty, "IsVisible", BindingMode.OneWay, new BooleanInverterConverter());
lbl.BindingContext = this._Browser;
this._BaseLayout = new StackLayout()
{
Orientation = StackOrientation.Vertical,
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
};
this._BaseLayout.Children.Add(lbl);
this._BaseLayout.Children.Add(this._Browser);
this._Browser.IsVisible = false;
Padding = new Thickness(0, Device.OnPlatform(20, 0, 0), 0, 0); // Accomodate iPhone status bar.
Content = this._BaseLayout;
}
public GuidePageView()
{
this.BackgroundColor = Color.Black;
var layout = new StackLayout{ Padding = new Thickness (5, 10) };
this.Title = "Help Page";
layout.Children.Add (new Label {
Text = "This will contain some helpful information.",
FontSize = 30,
TextColor = Color.White
});
var browser = new WebView ();
var htmlSource = new HtmlWebViewSource ();
htmlSource.Html = @"<iframe width=""300"" height=""200"" src=""https://www.youtube.com/embed/Y7bxlR-MxxM"" frameborder=""0"" allowfullscreen></iframe>";
browser.Source = htmlSource;
browser.HeightRequest = 215.0;
browser.WidthRequest = 320.0;
layout.Children.Add (browser);
layout.Children.Add (
new Button () {Text = "I'm ready to start",
Command = new Command (() => this.Navigation.PushAsync (new MainListViews ()))
});
this.Content = layout;
}
public WebViewDemoPage()
{
Label header = new Label
{
Text = "WebView",
FontSize = 50,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center
};
WebView webView = new WebView
{
Source = new UrlWebViewSource
{
Url = "https://blog.xamarin.com/",
},
VerticalOptions = LayoutOptions.FillAndExpand
};
// Build the page.
this.Content = new StackLayout
{
Children =
{
header,
webView
}
};
}
public async Task <ToFileResult> ToPngAsync(Xamarin.Forms.WebView webView, string fileName)
{
var taskCompletionSource = new TaskCompletionSource <ToFileResult>();
ToPng(taskCompletionSource, webView, fileName);
return(await taskCompletionSource.Task);
}
public Task PrintAsync(Xamarin.Forms.WebView webView, string jobName, FailAction failAction)
{
Device.BeginInvokeOnMainThread(async() =>
{
if (string.IsNullOrWhiteSpace(jobName))
{
jobName = Forms9Patch.ApplicationInfoService.Name;
}
WebViewPrintHelper printHelper = null;
var properties = new Dictionary <string, string>
{
{ "class", "Forms9Patch.UWP.PrintService" },
{ "method", "PrintAsync" },
};
try
{
if (webView.Source is HtmlWebViewSource htmlSource && !string.IsNullOrWhiteSpace(htmlSource.Html))
{
properties["line"] = "47";
printHelper = new WebViewPrintHelper(htmlSource.Html, htmlSource.BaseUrl, jobName);
}
else if (webView.Source is UrlWebViewSource urlSource && !string.IsNullOrWhiteSpace(urlSource.Url))
{
properties["line"] = "53";
printHelper = new WebViewPrintHelper(urlSource.Url, jobName);
}
public WebPage(CorningLinks link)
{
var browser = new WebView();
browser.Source = link.URL;
Content = browser;
}
private void InitializeComponent()
{
this.LoadFromXaml(typeof(MainForm));
btnStartListening = this.FindByName <Button>("btnStartListening");
btnStopListening = this.FindByName <Button>("btnStopListening");
StatusLabel = this.FindByName <Label>("StatusLabel");
MainWebView = this.FindByName <WebView>("MainWebView");
}
public WebPage ()
{
var browser = new WebView();
browser.Source = "http://xamarin.com";
Content = browser;
}
protected override void OnElementChanged (VisualElementChangedEventArgs e)
{
base.OnElementChanged (e);
if (e.NewElement != null) {
formsWebView = e.NewElement as WebView;
Delegate = new CustomWebViewDelegate (formsWebView);
}
}
private void Init()
{
_browser = new WebView();
_browser.Navigating += BrowserOnNavigating;
LoadingIndicator = new ActivityIndicator
{
Color = Color.FromHex(App.MainColor)
};
}
protected override void OnElementChanged (ElementChangedEventArgs<Xamarin.Forms.WebView> e)
{
base.OnElementChanged (e);
if (e.NewElement != null) {
formsWebView = e.NewElement;
Control.SetWebViewClient (new CustomWebViewClient(formsWebView));
}
}
public NewsDetailsView(Headline item)
{
BindingContext = item;
var webView = new WebView ();
webView.Source = new UrlWebViewSource {
Url = item.Url
};
Content = webView;
}
public BlogDetailsView (FeedItem item)
{
BindingContext = item;
var webView = new WebView ();
webView.Source = new HtmlWebViewSource {
Html = item.Description
};
Content = webView;
}
public App ()
{
WebView webView = new WebView { Source = "https://www.youtube.com/watch?v=_Idra8rVS1I" };
// The root page of your application
MainPage = new ContentPage {
Content = webView
};
}
public async Task <ToFileResult> ToPngAsync(Xamarin.Forms.WebView webView, string fileName, int width)
{
//if (!await XamarinEssentialsExtensions.ConfirmOrRequest<Xamarin.Essentials.Permissions.StorageWrite>())
// return new ToFileResult(true, "Write External Stoarge permission must be granted for PNG images to be available.");
var taskCompletionSource = new TaskCompletionSource <ToFileResult>();
ToPng(taskCompletionSource, webView, fileName, width);
return(await taskCompletionSource.Task);
}
private Xamarin.Forms.View GenerateBasicPageContent(string urlString)
{
var webView = new WebView
{
Source = urlString
};
return webView;
}
public AndroidWebViewPageCS()
{
var webView = new Xamarin.Forms.WebView {
Source = "https://htmlpreview.github.io/?https://github.com/xamarin/xamarin-forms-samples/blob/master/UserInterface/PlatformSpecifics/HTML/mixed_content.html"
};
webView.On <Android>().SetMixedContentMode(MixedContentHandling.AlwaysAllow);
Content = webView;
}
public TeamDetailView(Team item )
{
BindingContext = item;
var webView = new WebView ();
webView.Source = new UrlWebViewSource {
Url = item.Links.web.teams.href
};
Content = webView;
}
public PodcastDetalView(Podcast item)
{
BindingContext = item;
var webView = new WebView ();
webView.Source = new UrlWebViewSource {
Url = item.Url
};
Content = webView;
}
public WebsiteView (string site, string title)
{
this.Title = title;
var webView = new WebView ();
webView.Source = new UrlWebViewSource {
Url = site
};
Content = webView;
}
protected override void OnElementChanged(VisualElementChangedEventArgs e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
formsWebView = e.NewElement as WebView;
Delegate = new CustomWebViewDelegate(formsWebView);
}
}
public void SetupCookies(Xamarin.Forms.WebView webView)
{
CookieManager.Instance.Flush();
CookieManager.AllowFileSchemeCookies();
CookieManager.SetAcceptFileSchemeCookies(true);
CookieManager.Instance.AcceptCookie();
//CookieManager.Instance.AcceptThirdPartyCookies(webView);
CookieManager.Instance.SetAcceptCookie(true);
//CookieManager.Instance.SetAcceptThirdPartyCookies(webView, true);
}
public void Print(Xamarin.Forms.WebView webView)
{
Device.BeginInvokeOnMainThread(async() =>
{
var jobName = "Forms Print";
WebViewPrintHelper printHelper = null;
if (Platform.GetRenderer(webView) is Xamarin.Forms.Platform.UWP.WebViewRenderer renderer && renderer.Control is Windows.UI.Xaml.Controls.WebView nativeWebView)
{
printHelper = new WebViewPrintHelper(nativeWebView, jobName);
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.WebView> e)
{
base.OnElementChanged(e);
if (e.NewElement != null)
{
formsWebView = e.NewElement;
Control.SetWebViewClient(new CustomWebViewClient(formsWebView));
}
}
private void SetupUserInterface ()
{
Title = Strings.WebBrowser;
webView = new WebView {
Source = url
};
Content = webView;
}
public ViewOnlineResource(string page_title, string url)
{
// Title of page.
Title = page_title;
// Create web view content page.
var resource = new WebView();
// Set the source for this page (the page as a html stirng).
resource.Source = url;
// Set the created html string to be the content of the page.
Content = resource;
}
/// <summary>
/// 관련된 프로퍼티가 무언가 변경되었을때 반응하는 메소드
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected override void OnElementPropertyChanged(object sender, PropertyChangedEventArgs e)
{
base.OnElementPropertyChanged(sender, e);
if (e.PropertyName == "Source")
{
Xamarin.Forms.WebView wv = sender as Xamarin.Forms.WebView;
string targetUrl = (wv.Source as UrlWebViewSource).Url;
Control.LoadUrl(targetUrl);
}
}
public async Task <ToFileResult> ToPngAsync(Xamarin.Forms.WebView webView, string fileName)
{
if (!await Permissions.WriteExternalStorage.ConfirmOrRequest())
{
return(new ToFileResult(true, "Write External Stoarge permission must be granted for PNG images to be available."));
}
var taskCompletionSource = new TaskCompletionSource <ToFileResult>();
ToPng(taskCompletionSource, webView, fileName);
return(await taskCompletionSource.Task);
}
public async Task <ToFileResult> ToPdfAsync(Xamarin.Forms.WebView webView, string fileName, PageSize pageSize, PageMargin margin)
{
if (!await XamarinEssentialsExtensions.ConfirmOrRequest <Xamarin.Essentials.Permissions.StorageWrite>())
{
return(new ToFileResult(true, "Write External Stoarge permission must be granted for PNG images to be available."));
}
var taskCompletionSource = new TaskCompletionSource <ToFileResult>();
ToPdf(taskCompletionSource, webView, fileName, pageSize, margin);
return(await taskCompletionSource.Task);
}
public WebsiteView (Page page)
{
Title = page.Title;
var webView = new WebView {
Source = new HtmlWebViewSource {
Html = page.Content
},
};
Content = webView;
}
protected override void OnAttached()
{
if (Element is WebViewForms webViewForms &&
Control is WebViewDroid webViewDroid)
{
_webViewForms = webViewForms;
_webViewDroid = webViewDroid;
_effectWebViewClient = new EffectWebViewClient(_webViewForms, _webViewDroid);
_webViewDroid.SetWebViewClient(_effectWebViewClient);
}
}
protected override void OnDetached()
{
if (_effectWebViewClient != null)
{
_webViewDroid.SetWebViewClient(null);
_effectWebViewClient.Dispose();
_webViewForms = null;
_webViewDroid = null;
_effectWebViewClient = null;
}
}
public Passo2()
{
InitializeComponent ();
Title = "Aba 2";
Content = new WebView (){
Source = new UrlWebViewSource(){
Url = "www.google.com"
},
};
}
public void ToPng(TaskCompletionSource <ToFileResult> taskCompletionSource, Xamarin.Forms.WebView xfWebView, string fileName, int width)
{
if (Platform.CreateRendererWithContext(xfWebView, Settings.Context) is IVisualElementRenderer renderer)
{
var droidWebView = renderer.View as Android.Webkit.WebView;
if (droidWebView == null && renderer.View is WebViewRenderer xfWebViewRenderer)
{
droidWebView = xfWebViewRenderer.Control;
}
if (droidWebView != null)
{
//var size = new Size(8.5, 11);
//var bounds = new Rectangle(droidWebView.Left, droidWebView.Top, droidWebView.Width, droidWebView.Height);
var externalPath = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath;
using (var dir = new Java.IO.File(externalPath))
using (var file = new Java.IO.File(dir + "/" + fileName + ".png"))
{
if (!dir.Exists())
{
dir.Mkdir();
}
if (file.Exists())
{
file.Delete();
}
/*
* Android.Widget.FrameLayout.LayoutParams tmpParams = new Android.Widget.FrameLayout.LayoutParams(width, width);
* droidWebView.LayoutParameters = tmpParams;
* droidWebView.Layout(0, 0, width, width);
* int specWidth = MeasureSpecFactory.MakeMeasureSpec((int)(width * Display.Scale), MeasureSpecMode.Exactly);
* //int specHeight = MeasureSpecFactory.MakeMeasureSpec((int)(width * Display.Scale), MeasureSpecMode.Exactly);
* int specHeight = MeasureSpecFactory.MakeMeasureSpec(0, MeasureSpecMode.Unspecified);
* droidWebView.Measure(specWidth, specHeight);
* droidWebView.Layout(0, 0, droidWebView.MeasuredWidth, droidWebView.MeasuredHeight);
*/
droidWebView.SetLayerType(LayerType.Software, null);
droidWebView.Settings.JavaScriptEnabled = true;
#pragma warning disable CS0618 // Type or member is obsolete
droidWebView.DrawingCacheEnabled = true;
droidWebView.BuildDrawingCache();
#pragma warning restore CS0618 // Type or member is obsolete
droidWebView.SetWebViewClient(new WebViewCallBack(taskCompletionSource, fileName, new PageSize {
Width = width
}, null, OnPageFinished));
}
}
}
}
public void Print(Xamarin.Forms.WebView webView, string jobName)
{
Device.BeginInvokeOnMainThread(async() =>
{
if (string.IsNullOrWhiteSpace(jobName))
{
jobName = Forms9Patch.ApplicationInfoService.Name;
}
WebViewPrintHelper printHelper = null;
if (Platform.GetRenderer(webView) is WebViewRenderer renderer && renderer.Control is Windows.UI.Xaml.Controls.WebView nativeWebView)
{
printHelper = new WebViewPrintHelper(nativeWebView, jobName);
}
protected override void OnElementChanged(ElementChangedEventArgs <Xamarin.Forms.WebView> e)
{
base.OnElementChanged(e);
var activity = Xamarin.Forms.Forms.Context as MainActivity;
if (e.NewElement != null)
{
formsWebView = e.NewElement;
Control.Settings.JavaScriptEnabled = true;
Control.SetWebViewClient(new CustomWebViewClient(formsWebView));
Control.SetWebChromeClient(new CustomWebChromeClient(activity));
}
}
public Task PrintAsync(Xamarin.Forms.WebView webView, string jobName)
{
Device.BeginInvokeOnMainThread(async() =>
{
if (string.IsNullOrWhiteSpace(jobName))
{
jobName = Forms9Patch.ApplicationInfoService.Name;
}
WebViewPrintHelper printHelper = null;
if (webView.Source is HtmlWebViewSource htmlSource && !string.IsNullOrWhiteSpace(htmlSource.Html))
{
printHelper = new WebViewPrintHelper(htmlSource.Html, htmlSource.BaseUrl, jobName);
}
public AndroidWebViewZoomPageCS()
{
WebView webView = new WebView
{
Source = "https://www.xamarin.com"
};
webView.On <Android>()
.SetEnableZoomControls(true)
.SetDisplayZoomControls(true);
Title = "WebView Zoom Controls";
Content = webView;
}
public void ToPng(TaskCompletionSource <ToFileResult> taskCompletionSource, Xamarin.Forms.WebView xfWebView, string fileName)
{
Device.BeginInvokeOnMainThread(async() =>
{
if (Platform.GetRenderer(xfWebView) is Xamarin.Forms.Platform.UWP.WebViewRenderer renderer)
{
var webView = renderer.Control;
webView.SetValue(PngFileNameProperty, fileName);
webView.SetValue(TaskCompletionSourceProperty, taskCompletionSource);
webView.NavigationCompleted += NavigationCompleteA;
webView.NavigationFailed += WebView_NavigationFailed;
}
});
}
public void InitLayout()
{
m_btnBack = buttonBack;
m_btnBack.Clicked += OnClickBack;
m_btnForward = buttonForward;
m_btnForward.Clicked += OnClickFoward;
m_btnReload = buttonReload;
m_btnReload.Clicked += OnClickReload;
m_textUri = editTextUri;
m_textUri.Completed += OnKeyPressTextUri;
m_webView = webWiew;
}
public void PrintInfo(Xamarin.Forms.WebView Data)
{
var droidViewToPrint = Platform.CreateRenderer(Data).ViewGroup.GetChildAt(0) as Android.Webkit.WebView;
if (droidViewToPrint != null)
{
// Only valid for API 19+
var version = Android.OS.Build.VERSION.SdkInt;
if (version >= Android.OS.BuildVersionCodes.Kitkat)
{
var printMgr = (PrintManager)Forms.Context.GetSystemService(Context.PrintService);
printMgr.Print("Forms-EZ-Print", droidViewToPrint.CreatePrintDocumentAdapter(), null);
}
}
}
/// <summary>
/// Creates a PNG from the contents of a Xamarin.Forms.WebView
/// </summary>
/// <param name="webView"></param>
/// <param name="fileName"></param>
/// <returns></returns>
public static async Task <ToFileResult> ToPdfAsync(this Xamarin.Forms.WebView webView, string fileName)
{
_platformToPdfService = _platformToPdfService ?? DependencyService.Get <IToPdfService>();
if (_platformToPdfService == null)
{
throw new NotSupportedException("Cannot get HtmlService: must not be supported on this platform.");
}
ToFileResult result = null;
using (var indicator = ActivityIndicatorPopup.Create())
{
result = await _platformToPdfService.ToPdfAsync(webView, fileName);
}
await Task.Delay(50);
return(result);
}
public Auth0Login()
{
Label header = new Label
{
Text = "Connect with Untappd",
FontSize = 25,
FontAttributes = FontAttributes.Bold,
HorizontalOptions = LayoutOptions.Center
};
WebView webView = new WebView
{
Source = new UrlWebViewSource
{
Url = "https://adotob.auth0.com/authorize?response_type=token&scope=openid&client_id=prt0oxC0CEIB0r9dImcKtx4pCupRJk55&redirect_uri=https://adotob.auth0.com/mobile&connection=untappd",
},
VerticalOptions = LayoutOptions.FillAndExpand
};
// Build the page.
this.Content = new StackLayout
{
Children =
{
header,
webView
}
};
}
public PoliciesWebPage()
{
// Set Page Title
Title = "Pace Policies";
var source = new UrlWebViewSource ();
source.Url = "http://pace.edu/sexual-assault";
var webView = new WebView {
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand,
Source = source
};
webView.Navigating += (object sender, WebNavigatingEventArgs e) => {
System.Diagnostics.Debug.WriteLine("Loading");
};
webView.Navigated += (object sender, WebNavigatedEventArgs e) => {
System.Diagnostics.Debug.WriteLine("Done");
};
Content = new ContentView {
Content = new StackLayout {
Children = {
webView
}
}
};
}
