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[iOS] Update Yoga Xamarin iOS sample to use YogaKit

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This commit is contained in:
Rui Marinho
2016-12-10 19:12:10 +00:00
parent b88fa7ee7b
commit f064ba37af
2 changed files with 33 additions and 53 deletions
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4
csharp/Facebook.Yoga/ios/Facebook.Yoga.iOS.Test/Facebook.Yoga.iOS.Test.csproj
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@@ -119,6 +119,10 @@
<Project>{BE4CBFDA-02E2-4DF0-A81A-CEFB7987A708}</Project>
<Name>Facebook.Yoga.iOS</Name>
</ProjectReference>
<ProjectReference Include="..\Facebook.YogaKit.iOS\Facebook.YogaKit.iOS.csproj">
<Project>{33B1B6BE-F415-4819-A5FB-CFFE2E40AD6E}</Project>
<Name>Facebook.YogaKit.iOS</Name>
</ProjectReference>
</ItemGroup>
<Import Project="$(MSBuildExtensionsPath)\Xamarin\iOS\Xamarin.iOS.CSharp.targets" />
</Project>

82
csharp/Facebook.Yoga/ios/Facebook.Yoga.iOS.Test/ViewController.cs
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@@ -1,5 +1,6 @@
using System;
using CoreGraphics;
using Facebook.YogaKit.iOS;
using Foundation;
using UIKit;
@@ -30,66 +31,41 @@ namespace Facebook.Yoga.iOS.Test
public override void ViewDidLoad()
{
base.ViewDidLoad();
UIImage image = FromUrl("https://placehold.it/50x50");
UIView root = CreateViewHierarchy(image);
var rootNode = CalculateLayout(image.Size);
root.ApplyYogaLayout(rootNode);
View.AddSubview(root);
}
static UIImage FromUrl(string uri)
{
using (var url = new NSUrl(uri))
using (var data = NSData.FromUrl(url))
return UIImage.LoadFromData(data);
}
static UIView CreateViewHierarchy(UIImage image)
{
var root = new UIView();
UIImageView imageView = new UIImageView()
{
Image = image
};
root.AddSubview(imageView);
UITextField text = new UITextField()
{
Text = "Hello World",
};
root.AddSubview(text);
return root;
CreateViewHierarchy(View, View.Bounds.Size.Width, View.Bounds.Size.Height);
}
static YogaNode CalculateLayout(CGSize imageSize)
static void CreateViewHierarchy(UIView root, nfloat width, nfloat height)
{
var rootNode = new YogaNode()
{
Width = 400,
Height = 120,
FlexDirection = YogaFlexDirection.Row
};
rootNode.SetPadding(YogaEdge.All, 20);
root.BackgroundColor = UIColor.Red;
var imageNode = new YogaNode()
{
Width = (float)imageSize.Width,
};
imageNode.SetMargin(YogaEdge.End, 20);
root.UsesYoga(true);
root.YogaWidth(width);
root.YogaWidth(height);
root.YogaAlignItems(YogaAlign.Center);
root.YogaJustify(YogaJustify.Center);
var textNode = new YogaNode()
{
AlignSelf = YogaAlign.Center,
FlexGrow = 1,
};
rootNode.Insert(0, imageNode);
rootNode.Insert(1, textNode);
rootNode.CalculateLayout();
var child1 = new UIView { BackgroundColor = UIColor.Blue };
child1.YogaWidth(100);
child1.YogaHeight(100);
child1.UsesYoga(true);
return rootNode;
var child2 = new UIView
{
BackgroundColor = UIColor.Green,
Frame = new CGRect { Size = new CGSize(200, 100) }
};
var child3 = new UIView
{
BackgroundColor = UIColor.Yellow,
Frame = new CGRect { Size = new CGSize(100, 100) }
};
child2.AddSubview(child3);
root.AddSubview(child1);
root.AddSubview(child2);
root.YogaApplyLayout();
}
public override void DidReceiveMemoryWarning()