protected override void OnCreate(Bundle savedInstanceState)
{
base.OnCreate(savedInstanceState);
SetContentView(Resource.Layout.webflow_mywebview);
#region WebView
var client = new ContentWebViewClient();
client.WebViewLocaitonChanged += (object sender, ContentWebViewClient.WebViewLocaitonChangedEventArgs e) => {
Debug.WriteLine(e.CommandString);
};
client.WebViewLoadCompleted += (object sender, ContentWebViewClient.WebViewLoadCompletedEventArgs e) => {
RunOnUiThread(() => {
//AndHUD.Shared.Dismiss(this);
Debug.WriteLine("WebViewLoad");
});
};
MyWebView = FindViewById <WebView>(Resource.Id.webflow_webview_viewweb);
// NOTICE : 先換成一般的 WebViewClient
//MyWebView.SetWebViewClient(client);
MyWebView.SetWebViewClient(new MyWebClient());
MyWebView.Settings.JavaScriptEnabled = true;
MyWebView.Settings.UserAgentString = @"Android";
// 負責與頁面溝通 - WebView -> Native
MyJSInterface myJSInterface = new MyJSInterface(this);
MyWebView.AddJavascriptInterface(myJSInterface, "TP");
myJSInterface.CallFromPageReceived += delegate(object sender, MyJSInterface.CallFromPageReceivedEventArgs e) {
//MyWebView.LoadUrl("http://developer.xamarin.com");
Debug.WriteLine(e.Result);
};
// 負責與頁面溝通 - Native -> WebView
JavaScriptResult callResult = new JavaScriptResult();
callResult.JavaScriptResultReceived += (object sender, JavaScriptResult.JavaScriptResultReceivedEventArgs e) => {
Debug.WriteLine(e.Result);
};
// 載入一般網頁
//MyWebView.LoadUrl ("http://stackoverflow.com/");
// 載入以下程式碼進行互動
MyWebView.LoadDataWithBaseURL(
null
, @"<html>
<head>
<title>Local String</title>
<style type='text/css'>p{font-family : Verdana; color : purple }</style>
<script language='JavaScript'>
var lookup = '中文訊息'
function msg(){ window.location = 'callfrompage://Hi' }
</script>
</head>
<body><p>Hello World!</p><br />
<button type='button' onclick='TP.CallFromPage(lookup)' text='Hi From Page'>Hi From Page</button>
</body>
</html>"
, "text/html"
, "utf-8"
, null);
#endregion
BtnGo = FindViewById <Button>(Resource.Id.webflow_webview_btngo);
BtnGo.Click += (object sender, EventArgs e) => {
RunOnUiThread(() => {
MyWebView.EvaluateJavascript(@"msg();", callResult);
});
/*
* var url = TxtUrl.Text.Trim() ;
*
* AlertDialog.Builder alert = new AlertDialog.Builder (this);
* alert.SetTitle (url);
* alert.SetNegativeButton( "取消", (senderAlert, args) =>{
*
*
* });
* alert.SetPositiveButton( "確認", (senderAlert, args) =>{
*
* RunOnUiThread(
* ()=>{
* AndHUD.Shared.Show(this, "Status Message", -1, MaskType.Clear);
* }
*
* );
*
* MyWebView.LoadUrl (url);
*
* });
*
* RunOnUiThread (() => {
* alert.Show();
* } );
*
* //
* _InputMethodManager.HideSoftInputFromWindow(
* TxtUrl.WindowToken,
* HideSoftInputFlags.None );
*/
};
}
protected override void OnCreate(Bundle bundle)
{
base.OnCreate(bundle);
// Set our view from the "main" layout resource
SetContentView(Resource.Layout.web_mywebview);
#region WebView
var client = new ContentWebViewClient();
client.WebViewLocaitonChanged += (object sender, ContentWebViewClient.WebViewLocaitonChangedEventArgs e) => {
Debug.WriteLine(e.CommandString);
};
client.WebViewLoadCompleted += (object sender, ContentWebViewClient.WebViewLoadCompletedEventArgs e) => {
RunOnUiThread(() => {
AndHUD.Shared.Dismiss(this);
});
};
MyWebView = FindViewById <WebView> (Resource.Id.web_mywebview_webview);
// NOTICE : 先換成一般的 WebViewClient
MyWebView.SetWebViewClient(client);
//MyWebView.SetWebViewClient(new MyWebClient());
MyWebView.Settings.JavaScriptEnabled = true;
MyWebView.Settings.UserAgentString = @"Android";
// 負責與頁面溝通 - WebView -> Native
MyJSInterface myJSInterface = new MyJSInterface(this);
MyWebView.AddJavascriptInterface(myJSInterface, "TP");
myJSInterface.CallFromPageReceived += delegate(object sender, MyJSInterface.CallFromPageReceivedEventArgs e) {
Debug.WriteLine(e.Result);
};
// 負責與頁面溝通 - Native -> WebView
JavaScriptResult callResult = new JavaScriptResult();
callResult.JavaScriptResultReceived += (object sender, JavaScriptResult.JavaScriptResultReceivedEventArgs e) => {
Debug.WriteLine(e.Result);
};
// 載入一般網頁
//MyWebView.LoadUrl ("http://stackoverflow.com/");
// 載入以下程式碼進行互動
/*
* MyWebView.LoadDataWithBaseURL (
* null
* , @"<html>
* <head>
* <title>Local String</title>
* <style type='text/css'>p{font-family : Verdana; color : purple }</style>
* <script language='JavaScript'>
* var lookup = '中文訊息'
* function msg(){ window.location = 'callfrompage://Hi' }
* </script>
* </head>
* <body><p>Hello World!</p><br />
* <button type='button' onclick='TP.CallFromPage(lookup)' text='Hi From Page'>Hi From Page</button>
* </body>
* </html>"
* , "text/html"
* , "utf-8"
* , null);
*
*/
#endregion
#region EditText
_InputMethodManager =
(InputMethodManager)GetSystemService(Context.InputMethodService);
TxtUrl = FindViewById <EditText> (Resource.Id.web_mywebview_txtUrl);
TxtUrl.TextChanged += (object sender,
Android.Text.TextChangedEventArgs e) => {
Debug.WriteLine(TxtUrl.Text + ":" + e.Text);
};
#endregion
BtnGo = FindViewById <Button> (Resource.Id.web_mywebview_btnGo);
BtnGo.Click += (object sender, EventArgs e) => {
//RunOnUiThread (() => {
// MyWebView.EvaluateJavascript (@"msg();", callResult);
//});
var url = TxtUrl.Text.Trim();
AlertDialog.Builder alert = new AlertDialog.Builder(this);
alert.SetTitle(url);
alert.SetMessage("");
alert.SetNegativeButton("取消", (senderAlert, args) => {
});
alert.SetPositiveButton("確認", (senderAlert, args) => {
RunOnUiThread(
() => {
AndHUD.Shared.Show(this, "Status Message", -1, MaskType.Clear);
}
);
MyWebView.LoadUrl(url);
});
RunOnUiThread(() => {
alert.Show();
});
//
_InputMethodManager.HideSoftInputFromWindow(
TxtUrl.WindowToken,
HideSoftInputFlags.None);
};
}
public Xamarin.Forms.View CreateWebView()
{
webView = new MyWebView(MainActivity.Instance, this);
webView.SetWebViewClient(webClient = new WebClient(this));
webView.SetWebChromeClient(new ChromeClient(this));
webView.Settings.AllowContentAccess = true;
webView.Settings.JavaScriptEnabled = true;
webView.Settings.BuiltInZoomControls = true;
webView.Settings.DisplayZoomControls = false;
webView.Settings.UseWideViewPort = true;
if (Android.OS.Build.VERSION.SdkInt >= BuildVersionCodes.Kitkat)
{
#if DEBUG
WebView.SetWebContentsDebuggingEnabled(true);
#else
WebView.SetWebContentsDebuggingEnabled(false);
#endif
}
if (Android.OS.Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
webView.Settings.MixedContentMode = MixedContentHandling.AlwaysAllow;
}
if (Android.OS.Build.VERSION.SdkInt >= BuildVersionCodes.N)
{
webView.Settings.DisabledActionModeMenuItems = MenuItems.ProcessText | MenuItems.Share | MenuItems.WebSearch;
}
AddJavascriptObject("Ao3TrackHelperNative", helper);
var placeholder = new Android.Views.View(Forms.Context);
contextMenuPlaceholder = placeholder.ToView();
Xamarin.Forms.AbsoluteLayout.SetLayoutBounds(contextMenuPlaceholder, new Rectangle(0, 0, 0, 0));
Xamarin.Forms.AbsoluteLayout.SetLayoutFlags(contextMenuPlaceholder, AbsoluteLayoutFlags.None);
helper = new Ao3TrackHelper(this);
contextMenu = new ContextMenu(Forms.Context, placeholder);
var menu = contextMenu.Menu;
for (int i = 0; i < ContextMenuItems.Count; i++)
{
var kvp = ContextMenuItems[i];
if (kvp.Key == "-")
{
// Looks better without
//menu.Add(Menu.None, i, i, "\x23AF\x23AF\x23AF\x23AF").SetEnabled(false);
}
else
{
menu.Add(Android.Views.Menu.None, i, i, kvp.Key);
}
}
contextMenu.MenuItemClick += (sender, arg) =>
{
ContextMenuItems[arg.Item.ItemId].Value?.Execute(contextMenu.CommandParameter);
};
MainContent.Children.Add(contextMenuPlaceholder);
webView.FocusChange += WebView_FocusChange;
return(webView.ToView());
}
