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| author | Adrian Knight <adrianknight89@outlook.com> | 2016-09-23 00:32:32 -0500 |
|---|---|---|
| committer | Adrian Knight <adrianknight89@outlook.com> | 2016-09-23 00:32:32 -0500 |
| commit | a708ad9593c810b3100627d9d0bbc2eb2dd70246 (patch) | |
| tree | 7652df60b022515cb2ba7c972b9b62a4ecbc952a /Xamarin.Forms.Platform.iOS | |
| parent | 420ceb37d0d1d78dde17c717614c6874684a399e (diff) | |
| download | xamarin-forms-a708ad9593c810b3100627d9d0bbc2eb2dd70246.tar.gz xamarin-forms-a708ad9593c810b3100627d9d0bbc2eb2dd70246.tar.bz2 xamarin-forms-a708ad9593c810b3100627d9d0bbc2eb2dd70246.zip | |
iOS ScrollView should not scroll out of place on scrolling to element
Diffstat (limited to 'Xamarin.Forms.Platform.iOS')
| -rw-r--r-- | Xamarin.Forms.Platform.iOS/Renderers/ScrollViewRenderer.cs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Xamarin.Forms.Platform.iOS/Renderers/ScrollViewRenderer.cs b/Xamarin.Forms.Platform.iOS/Renderers/ScrollViewRenderer.cs index 1e8ea1fc..bfb24337 100644 --- a/Xamarin.Forms.Platform.iOS/Renderers/ScrollViewRenderer.cs +++ b/Xamarin.Forms.Platform.iOS/Renderers/ScrollViewRenderer.cs @@ -208,6 +208,25 @@ namespace Xamarin.Forms.Platform.iOS else { var positionOnScroll = Controller.GetScrollPositionForElement(e.Element as VisualElement, e.Position); + + if (positionOnScroll.X < 0) + { + positionOnScroll.X = 0; + } + else if (positionOnScroll.X > ContentSize.Width - Bounds.Size.Width) + { + positionOnScroll.X = ContentSize.Width - Bounds.Size.Width; + } + + if (positionOnScroll.Y < 0) + { + positionOnScroll.Y = 0; + } + else if (positionOnScroll.Y > ContentSize.Height - Bounds.Size.Height) + { + positionOnScroll.Y = ContentSize.Height - Bounds.Size.Height; + } + switch (ScrollView.Orientation) { case ScrollOrientation.Horizontal: |