public SaoPage() : base()
{
//try
//{
zxing = new ZXingScannerView
{
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
};
zxing.OnScanResult += (result) =>
Device.BeginInvokeOnMainThread(async() =>
{
zxing.IsAnalyzing = false;
zxing.IsScanning = false;
try
{
zxing.IsTorchOn = false;
}
catch (Exception)
{
}
if (ToolsClass.IsUrl(result.Text))
{
//Navigation.RemovePage(this);
await Navigation.PushAsync(new WebViewPage(result.Text));
return;
}
else
{
await DisplayAlert("二维码的值为：", result.Text, "确定");
}
// Show an alert
// Navigate away
await Navigation.PopAsync();
});
overlay = new MyZXingOverlay
{
TopText = "请对准二维码",
BottomText = "阴暗天气建议打开闪光灯",
ShowFlashButton = true,
ButtonText = "开灯"
};
overlay.FlashButtonClicked += (sender, e) =>
{
try
{
if (!zxing.IsTorchOn)
{
sender.Text = "关灯";
//CrossLampState = true;
zxing.IsTorchOn = true;
}
else
{
sender.Text = "开灯";
zxing.IsTorchOn = false;
}
}
catch (Exception)
{
}
};
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(overlay);
Content = grid;
}
public SaoPage() : base()
{
InitializeComponent();
zxing = new ZXingScannerView
{
Options = new ZXing.Mobile.MobileBarcodeScanningOptions()
{
TryHarder = true
},
HorizontalOptions = LayoutOptions.FillAndExpand,
VerticalOptions = LayoutOptions.FillAndExpand
};
zxing.OnScanResult += (result) =>
Device.BeginInvokeOnMainThread(async() =>
{
zxing.IsAnalyzing = false;
zxing.IsScanning = false;
try
{
zxing.IsTorchOn = false;
}
catch (Exception)
{
}
//await DisplayAlert("Scanned Barcode", result.Text, "OK");
//连接地址则跳转
if (ToolsClass.IsUrl(result.Text))
{
var msg = new NavigationMessage()
{
Paremeter = result.Text
};
MessagingCenter.Send(msg, "AutoScanCode");
Navigation.RemovePage(this);
//await Navigation.PushAsync(new WebViewPage(result.Text));
return;
}
else
{
await DisplayAlert("查询结果", "" + result.Text + "", "确定");
var msg = new NavigationMessage()
{
Paremeter = result.Text
};
MessagingCenter.Send(msg, "AutoScanCode");
}
await Navigation.PopAsync();
});
overlay = new MyZXingOverlay
{
TopText = "请对准条码/二维码",
BottomText = "阴暗天气建议打开闪光灯",
ShowFlashButton = true,
ButtonText = "开灯"
};
overlay.FlashButtonClicked += (sender, e) =>
{
try
{
sender.BackgroundColor = Color.FromHex("7fadf7");
if (!zxing.IsTorchOn)
{
sender.Text = "关灯";
CrossLampState = true;
zxing.IsTorchOn = true;
}
else
{
sender.Text = "开灯";
zxing.IsTorchOn = false;
}
}
catch (Exception)
{
}
};
var grid = new Grid
{
VerticalOptions = LayoutOptions.FillAndExpand,
HorizontalOptions = LayoutOptions.FillAndExpand,
};
grid.Children.Add(zxing);
grid.Children.Add(overlay);
Content = grid;
}
