private Future _showApiDocumentation(BuildContext context)
{
string url = this.demos[DefaultTabController.of(context).index].documentationUrl;
if (url == null)
{
return(null);
}
if (BrowserUtils.canLaunch(url))
{
BrowserUtils.launch(url);
}
else
{
material_.showDialog <object>(
context: context,
builder: (BuildContext subContext) =>
{
return(new SimpleDialog(
title: new Text("Couldn't display URL:"),
children: new List <Widget>
{
new Padding(
padding: EdgeInsets.symmetric(horizontal: 16.0f),
child: new Text(url)
)
}
));
}
);
}
return(null);
}
public override Widget build(BuildContext context)
{
return(new IconButton(
icon: new Icon(Icons.library_books),
tooltip: "API documentation",
onPressed: () => BrowserUtils.launch(this.documentationUrl)
));
}
public _LinkTextSpan(TextStyle style = null, string url = null, string text = null) : base(
style: style,
text: text ?? url,
recognizer: new TapGestureRecognizer {
onTap = () => { BrowserUtils.launch(url); }
}
)
{
}
private void _checkForUpdates()
{
// Only prompt once a day
if (_lastUpdateCheck != null &&
DateTime.Now - _lastUpdateCheck < new TimeSpan(1, 0, 0, 0))
{
return; // We already checked for updates recently
}
_lastUpdateCheck = DateTime.Now;
this.widget.updateUrlFetcher.Invoke().then(updateUrl =>
{
if (updateUrl != null)
{
material_.showDialog <bool>(context: this.context, builder: this._buildDialog).then(wantsUpdate =>
{
if (wantsUpdate != null && (bool)wantsUpdate)
{
BrowserUtils.launch((string)updateUrl);
}
});
}
});
}