protected override void OnResume()
{
base.OnResume();
UrhoSurface.OnResume();
MessagingCenter.Send(this, "OnResume");
}
protected override void OnResume()
{
base.OnResume();
UrhoSurface.OnResume();
// if was resumed by the Camera Permission dialog
LaunchUrho();
}
//public void OnPreviewFrame(byte[] data, Camera camera)
//{
// //TODO: NV21 to RGB?
// lastFrame = data;
//}
protected override void OnResume()
{
UrhoSurface.OnResume();
camera.StartBackgroundThread();
previewSize = camera.OpenCamera(new Size(640, 480));
//previewSize = camera.OpenCamera(new Size(768, 1024));
base.OnResume();
}
void OnPause(object sender, EventArgs e)
{
paused = !paused;
if (paused)
{
UrhoSurface.OnPause();
}
else
{
UrhoSurface.OnResume();
}
}
protected override void OnResume()
{
UrhoSurface.OnResume();
base.OnResume();
}
public UrhoPage()
{
var restartBtn = new Button {
Text = "Restart"
};
restartBtn.Clicked += (sender, e) => StartUrhoApp();
bool paused = false;
var pauseBtn = new Button {
Text = "(Un)pause"
};
pauseBtn.HorizontalOptions = LayoutOptions.EndAndExpand;
pauseBtn.Clicked += (sender, e) =>
{
paused = !paused;
if (paused)
{
UrhoSurface.OnPause();
}
else
{
UrhoSurface.OnResume();
}
};
var newpageBtn = new Button {
Text = "New page"
};
newpageBtn.HorizontalOptions = LayoutOptions.CenterAndExpand;
newpageBtn.Clicked += (sender, e) => Navigation.PushAsync(new UrhoPage());
urhoSurface = new UrhoSurface();
urhoSurface.VerticalOptions = LayoutOptions.FillAndExpand;
Slider rotationSlider = new Slider(0, 500, 250);
rotationSlider.ValueChanged += (s, e) =>
{
if (urhoApp?.IsActive == true)
{
Urho.Application.InvokeOnMain(() => urhoApp.Rotate((float)(e.NewValue - e.OldValue)));
}
};
selectedBarSlider = new Slider(0, 5, 2.5);
selectedBarSlider.ValueChanged += OnValuesSliderValueChanged;
Title = " UrhoSharp + Xamarin.Forms";
Content = new StackLayout
{
Padding = new Thickness(12, 12, 12, 40),
VerticalOptions = LayoutOptions.FillAndExpand,
Children =
{
urhoSurface,
new StackLayout {
Orientation = StackOrientation.Horizontal,
HorizontalOptions = LayoutOptions.FillAndExpand,
Children =
{
restartBtn,
newpageBtn,
pauseBtn
}
},
new Label {
Text = "ROTATION::"
},
rotationSlider,
new Label {
Text = "SELECTED VALUE:"
},
selectedBarSlider,
}
};
}
