Xamarin.Forms 1.3.0.6292

Build native UIs for iOS, Android, and Windows Phone from a single, shared C# codebase

There is a newer version of this package available.
See the version list below for details.
Install-Package Xamarin.Forms -Version 1.3.0.6292
dotnet add package Xamarin.Forms --version 1.3.0.6292
paket add Xamarin.Forms --version 1.3.0.6292
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

## Important notes:
- Generators for XAML pages should to be updated to use the new tool MSBuild:UpdateDesignTimeXaml instead of MSBuild:Compile
- Grid default is now *

## New API and Enhancements

- Add MasterDetailPage.ShouldShowToolbarButton method to enable control over the appearance of the toolbar button.
- Device.GetNamedSize (NamedSize size, Type targetType); Same as Device.GetnamedSize (NamedSize size, Element element) but doesn't require an instance.
- MasterDetailPage.MasterBehavior : Used to control how the MasterDetailPage renderers the split view between the Master and Detail. Allowed values are:

```csharp
public enum MasterBehavior
{
Default,
SplitOnLandscape,
Split,
Popover,
SplitOnPortrait
}
```

- VisualElement.Navigation now contains overloads for all Pushing and Popping methods that accept a boolean parameter to enable/disable animations.
- INavigation contains methods needed for more complex navigation scenarios:

```csharp
public interface INavigation
{
IReadOnlyList<Page> NavigationStack { get; }
IReadOnlyList<Page> ModalStack { get; }

void RemovePage (Page page);
void InsertPageBefore (Page page, Page before);

Task PushAsync (Page page);
Task<Page> PopAsync ();
Task PopToRootAsync ();
Task PushModalAsync (Page page);
Task<Page> PopModalAsync ();

Task PushAsync (Page page, bool animated);
Task<Page> PopAsync (bool animated);
Task PopToRootAsync (bool animated);
Task PushModalAsync (Page page, bool animated);
Task<Page> PopModalAsync (bool animated);
}
```

- New Application class to replace previous methods of turning a Page into a platform specific object.
- New member on Page: `protected virtual bool OnBackButtonPressed ()`: Override in order to handle *physical* back button press events. Events bubble down from root page and back up. Unhandled back button events will cause the app to exit. NavigationPage and the Platform still handle the back button as expected, however it is now possible to intercept and modify these behaviors. Not overriding this method retains the existing back button behavior.
- DependencyService now has Register methods for users needing more advanced ways to register dependencies.
- WidthRequest, HeightRequest, MinimumWidthRequest, and MinimumHeightRequest are now BindableProperties
- IViewController, IVisualElementController, and IElementController now available and explicitly implemented on VisualElement. These interfaces will eventually replace all internal API's currently used to communicate between platform renderers and the frontend API.
- IElementController.SetValueFromRenderer allows for updating of BindableProperties from renderers without accidentally clearing bindings.
- XAML now supports text as the content node in Label: `<Label>Hello World</Label>`
- Pin now has a Clicked property for detecting when the user taps or clicks on a Map pin after the information window is visible.
- Layout constructor is now marked protected and not internal
- Styles support Behaviors and Triggers
- DataTrigger and MultiTrigger added
- VisualElement.IsFocused is now a BindableProperty
- Use * as default grid size
- StaticResource searches in Application.Current.Resources too
- Add NavigationPage.HasBackButton
- Fix Fuchsia spelling, Obsolete the old spelling
- TypeConverter on FontSize
- SearchBar.CancelButtonColor (currently only supported on iOS)
- ListView context actions


## Bug Fixes

### Core
- Bindings are culture unaware
- SetValue now properly overrides settings from a Style when the Style is applied later.
- Grid now has more nuanced reflow logic for things like labels. This fixes some cases where grid would end up either too small or too large for its content.
- Fix crash in XAML with DataTemplates and event subscription.
- ListView/TableView respect WidthRequest/HeightRequest again (regression in 1.3.0-pre2)
- No longer crash when trying to download/access the same UriImageSource on hundreds of images (System.IOException).
- Fix issue where Grid sometimes measured out taller than it should, especially in ListView/StackLayout. Grid now prefers to expand in the direction of a "defined" constraint, which tends to match expected behavior when measuring. If both constraints are Infinite, previous behavior is retained.
- BindableObject.SetValue will now properly perform loss-less conversions on base types. e.g. Calling slider.SetValue (Slider.ValueProperty, 6.0f) will now work correctly.
- Fix issue where StackLayout in a Horizontal orientation would return an incorrect MinimumHeight in GetSizeRequest.
- Adding a bad Path to a UriImageSource no longer crashes
- Improved XAML error reporting
- Fix crash where calling Navigation.PushAsync from re-initialized View sometimes crashed
- Fix error where cloning a Binding did not clone the Source parameter
- IsPresented is now respected correctly when using MasterDetailPage. May throw exception now if IsPresented is set to a disallowed value with MasterBehavior.
- Several bugs relating to culture invariance in XAML parsing.
- ThicknessConverter no longer depends on device culture
- Label properly resizes after setting Label.FontSize/Font/FontAttributes [Bug](https://bugzilla.xamarin.com/show_bug.cgi?id=24722)
- XAML InitializeComponent calls in some apps this will result in a massive performance improvement when loading pages.
- Serialization now property supports DataMemberAttributes
- ListView and TableView now return consistent sizing across all platforms. This change should not affect most apps, however some apps suffering from inconsistent sizing with ListViews/TableViews should find the situation better.
- Small set of changes to Layout to enable performance optimization with unneeded measure invalidation.
- Don't throw NRE in ResourceDictionaries when reparenting
- Fix map issue with IsShowingUser and location
- fix binding against arrays (https://bugzilla.xamarin.com/show_bug.cgi?id=24263)
- Resolve issue where Labels didn't reflow correctly inside of grids
- RelativeLayout now gives sane error when relative to non-child view
- fix NRE on removing ListView items (https://bugzilla.xamarin.com/show_bug.cgi?id=23778)
- x:Reference now works inside other markup extensions.

### Android
- Pressing back and re-entering the app now cleans up the old Activity and associated renderers. This fixes both memory leak issues and some crashes.
- Label.FontSize = 18 no longer accidentally gives a font size of 14 on any devices.
- Fix another case where ScrollView content could flow outside of bounds (yay).
- Fix crash in WebView when being removed from the visual tree.
- Map no longer re-centers on Layout.
- MasterDetailPage container width now matches android design guidelines on tablets. (No longer insanely wide).
- SwitchCell height is no longer squished
- No longer crashes on Android 5.0
- No longer renders with a black bar at the bottom of Android 5.0 devices
- Other compatibility fixes with Android 5.0
- WebViewRenderer now uses correct path for finding resources
- Fix issue where calling SetPage multiple times would throw an exception
- Fix crash when restarting the Activity introduced in last pre-release
- Fix issue where ListView.SelectedItem = null sometimes did not work as expected.
- Fix issues where Switch did not show on some Samsung devices
- Fix issue where rotation ignored the anchor point
- Fix Button text allignment issue (https://bugzilla.xamarin.com/show_bug.cgi?id=21138, https://bugzilla.xamarin.com/show_bug.cgi?id=21368)


### iOS
- Renderers are now properly re-used in ListView. Performance enhancement.
- iOS 8 now uses UIAlertController for alerts.
- Fix a case where the keyboard could end up overlapping the input area.
- Mixing swipe to go back and press to go back no longer results in a blank page.
- ContextAction More/Cancel buttons now translate properly
- ImageCell no longer flashes old image on cell re-use.
- Slider now updates bindings correctly due to conversion fix.
- Button.Image is now rendered with original image to match other platforms
- Editor now scrolls to the correct location when a keyboard is shown
- Fix NullReferenceException when assigning to SearchBar.BackgroundColor
- Fix issue where PushModalAsync could sometimes result in a unhandled exception from UIKit.
- MasterDetailPage now disposes of child renderers correctly, resolves a memory leak.
- Fix issue where cells could not be unselected using blank rows.
- WebViewRenderer now uses correct path for finding resources
- Resolve issue where calling CreateViewController multiple times would cause an exception
- Use proxy when downloading images if configured on device.
- Partial swipes on a NavigationPage no longer cause the NavigationPage to get out of sync with the UINavigationController
- ActionSheet now correctly shows on iOS 8
- ActionSheet no longer gets incorrectly positions when rotating while visible.
- Fix issue on Translating views of zero size
- Select picker first item (https://bugzilla.xamarin.com/show_bug.cgi?id=22352)
- TabbedPage now updates icons correctly
- Fix several memory leaks
- Modal dialog scrolls to far (https://bugzilla.xamarin.com/show_bug.cgi?id=23904)
- Fix NRE when disposing some renderers.

### WinPhone
- Fix crash when pressing back button with active ActionSheet.
- TableView no longer selects wrong item when in Landscape mode.
- OpenUriAction now uses LaunchUriAsync.
- ViewCell with a Picker no longer occasionally occludes other elements on screen.
- Back button now closes ActionSheets and Alerts before attempting Navigation.
- Picker no longer shows a bunch of blank entries.
- ListView selection now properly shows up.
- ListView allows selection of items multiple times in a row if the user calls SelectedItem = null. This behavior matches other platforms correctly now.
- Label now reports the correct minimum width to match other platforms.
- Fix crash in Picker

Version History

Version Downloads Last updated
4.0.0.346134-pre9 1,076 4/18/2019
4.0.0.304370-pre8 5,450 4/3/2019
4.0.0.250467-pre7 4,213 3/20/2019
4.0.0.232914-pre6 4,282 3/14/2019
4.0.0.169046-pre5 4,878 2/21/2019
4.0.0.135214-pre4 3,682 2/6/2019
4.0.0.94569-pre3 3,728 1/24/2019
4.0.0.62955-pre2 11,068 1/10/2019
4.0.0.8055-pre1 11,488 12/4/2018
3.6.0.344457 6,822 4/18/2019
3.6.0.293080 34,342 4/3/2019
3.6.0.264807 55,401 3/19/2019
3.6.0.220655 50,916 3/6/2019
3.6.0.169048-pre2 404 2/21/2019
3.6.0.135200-pre1 3,480 2/6/2019
3.5.0.274416 1,638 3/26/2019
3.5.0.169047 47,091 2/20/2019
3.5.0.129452 61,478 2/6/2019
3.5.0.94564-pre3 818 1/24/2019
3.5.0.62956-pre2 791 1/10/2019
3.4.0.1039999 1,517 3/26/2019
3.4.0.1029999 59,297 1/24/2019
3.4.0.1009999 72,039 1/4/2019
3.4.0.1008975 304,791 11/15/2018
3.4.0.987044-pre2 2,171 11/8/2018
3.4.0.925479-pre1 8,125 10/18/2018
3.3.0.967583 136,583 11/1/2018
3.3.0.912540 93,659 10/18/2018
3.3.0.893527-pre3 5,387 10/11/2018
3.3.0.871608-pre2 8,325 10/1/2018
3.3.0.840541-pre1 4,387 9/20/2018
3.2.0.871581 81,724 10/3/2018
3.2.0.839982 104,027 9/17/2018
3.2.0.809874-pre3 3,341 9/10/2018
3.2.0.729530-pre2 10,280 8/14/2018
3.2.0.637442-pre1 8,426 7/17/2018
3.1.0.697729 289,436 8/1/2018
3.1.0.637273 90,674 7/11/2018
3.1.0.583944 122,939 6/20/2018
3.1.0.561732-pre4 5,782 6/11/2018
3.1.0.550168-pre3 2,801 6/6/2018
3.1.0.530888-pre2 1,689 6/4/2018
3.1.0.469394-pre1 10,882 5/9/2018
3.0.0.561731 135,257 6/11/2018
3.0.0.550146 25,186 6/6/2018
3.0.0.530893 19,432 6/4/2018
3.0.0.482510 206,854 5/14/2018
3.0.0.446417 114,241 5/1/2018
3.0.0.427558-pre4 8,518 4/25/2018
3.0.0.354232-pre3 13,315 4/5/2018
3.0.0.296286-pre2 8,005 3/20/2018
2.5.1.527436 76,086 5/4/2018
2.5.1.444934 152,292 4/4/2018
2.5.1.392594-pre3 4,053 3/21/2018
2.5.1.340284-pre2 5,804 3/9/2018
2.5.1.317207-pre1 5,526 3/1/2018
2.5.0.280555 300,300 2/16/2018
2.5.0.122203 304,637 12/18/2017
2.5.0.121934 195,366 11/28/2017
2.5.0.91635 124,153 11/16/2017
2.5.0.77107 27,958 11/13/2017
2.5.0.75255-pre3 5,303 11/10/2017
2.5.0.19271-pre2 9,026 10/20/2017
2.4.0.91020 43,542 11/16/2017
2.4.0.74863 33,802 11/10/2017
2.4.0.38779 58,337 10/30/2017
2.4.0.18342 54,106 10/20/2017
2.4.0.282 155,960 9/29/2017
2.4.0.280 183,665 9/27/2017
2.4.0.275-pre3 7,948 9/19/2017
2.4.0.269-pre2 13,427 8/29/2017
2.4.0.266-pre1 18,879 8/16/2017
2.3.5.256-pre6 34,358 6/29/2017
2.3.5.255-pre5 4,754 6/26/2017
2.3.5.239-pre3 27,506 5/11/2017
2.3.5.235-pre2 11,113 4/26/2017
2.3.5.233-pre1 8,957 4/13/2017
2.3.4.270 131,926 8/29/2017
2.3.4.267 64,491 8/16/2017
2.3.4.247 385,707 5/16/2017
2.3.4.231 203,205 4/12/2017
2.3.4.224 243,508 3/29/2017
2.3.4.221-pre6 7,250 3/27/2017
2.3.4.214-pre5 10,151 3/14/2017
2.3.4.212-pre4 6,111 3/10/2017
2.3.4.211-pre3 3,952 3/9/2017
2.3.4.192-pre2 19,085 2/3/2017
2.3.4.184-pre1 12,529 1/13/2017
2.3.3.193 237,328 2/1/2017
2.3.3.180 205,803 1/5/2017
2.3.3.175 116,751 12/6/2016
2.3.3.168 65,429 11/23/2016
2.3.3.166-pre4 7,788 11/3/2016
2.3.3.163-pre3 6,345 10/17/2016
2.3.3.152-pre2 15,703 9/15/2016
2.3.2.127 261,413 9/14/2016
2.3.2.118-pre1 6,769 8/3/2016
2.3.1.114 154,301 8/3/2016
2.3.1.113-pre3 3,785 7/19/2016
2.3.1.111-pre2 4,738 7/4/2016
2.3.1.110-pre1 2,422 6/29/2016
2.3.0.107 195,529 6/29/2016
2.3.0.49 85,332 6/16/2016
2.3.0.46-pre3 15,865 5/30/2016
2.3.0.38-pre2 13,003 4/27/2016
2.3.0.34-pre1 8,642 4/27/2016
2.2.0.45 117,643 5/30/2016
2.2.0.31 126,509 4/27/2016
2.2.0.23-pre4 3,063 4/20/2016
2.2.0.18-pre3 2,276 4/20/2016
2.2.0.5-pre2 15,948 4/8/2016
2.2.0.4-pre1 18,490 4/5/2016
2.1.0.6529 97,185 3/13/2016
2.1.0.6526 17,333 3/9/2016
2.1.0.6524 35,108 3/2/2016
2.1.0.6521 11,907 3/1/2016
2.1.0.6517-pre5 2,074 2/18/2016
2.1.0.6513-pre4 2,053 2/9/2016
2.1.0.6508-pre3 2,378 1/28/2016
2.1.0.6503-pre2 6,963 1/22/2016
2.1.0.6501-pre1 1,521 1/21/2016
2.1.0.6500-pre1 1,343 1/20/2016
2.0.1.6505 92,248 1/28/2016
2.0.1.6495 74,576 1/20/2016
2.0.1.6492-pre1 3,806 12/3/2015
2.0.0.6490 96,024 12/1/2015
2.0.0.6484 17,697 11/21/2015
2.0.0.6482 235,634 11/17/2015
1.5.2.6478-pre3 1,233 11/17/2015
1.5.2.6477-pre2 3,822 11/10/2015
1.5.2.6469-pre1 2,138 10/20/2015
1.5.1.6471 75,686 10/20/2015
1.5.1.6468 3,853 10/20/2015
1.5.1.6460-pre2 1,607 10/13/2015
1.5.1.6455-pre1 2,963 10/2/2015
1.5.0.6447 53,155 9/25/2015
1.5.0.6446 21,417 9/16/2015
1.5.0.6404-pre3 3,257 8/25/2015
1.5.0.6401-pre2 1,466 8/21/2015
1.5.0.6396-pre1 1,918 8/5/2015
1.4.4.6449 2,655 9/25/2015
1.4.4.6443 1,610 9/16/2015
1.4.4.6392 76,055 7/29/2015
1.4.4.6391 1,974 7/28/2015
1.4.4.6387 2,909 7/27/2015
1.4.4.6379-pre3 1,496 7/20/2015
1.4.4.6378-pre2 1,323 7/16/2015
1.4.4.6377-pre1 1,315 7/14/2015
1.4.3.6376 41,233 7/9/2015
1.4.3.6374 16,492 7/1/2015
1.4.3.6372 2,026 6/30/2015
1.4.3.6364-pre3 2,286 6/16/2015
1.4.3.6358-pre2 5,715 4/24/2015
1.4.3.6356-pre1 1,423 4/21/2015
1.4.2.6359 60,901 4/30/2015
1.4.2.6355 14,199 4/21/2015
1.4.2.6353-pre2 2,461 3/31/2015
1.4.2.6350-pre1 1,520 3/30/2015
1.4.1.6349 44,194 3/30/2015
1.4.1.6347-pre2 3,203 3/19/2015
1.4.1.6342-pre1 1,664 3/10/2015
1.4.0.6341 28,645 3/9/2015
1.4.0.6340-pre2 2,482 3/6/2015
1.4.0.6336-pre1 1,489 3/3/2015
1.3.5.6337 5,065 3/5/2015
1.3.5.6335 24,303 3/2/2015
1.3.5.6333-pre1 2,051 2/17/2015
1.3.4.6332 18,732 2/17/2015
1.3.4.6331-pre4 1,513 2/13/2015
1.3.4.6329-pre3 1,249 2/12/2015
1.3.4.6328-pre2 1,253 2/11/2015
1.3.4.6325-pre1 1,219 2/9/2015
1.3.3.6323 52,255 2/9/2015
1.3.3.6322-pre3 1,213 2/6/2015
1.3.3.6321-pre2 1,372 2/4/2015
1.3.3.6318-pre1 1,380 2/2/2015
1.3.2.6316 7,659 2/3/2015
1.3.2.6313-pre3 1,356 1/30/2015
1.3.2.6309-pre2 1,403 1/28/2015
1.3.2.6299-pre1 2,114 1/20/2015
1.3.1.6296 54,940 1/4/2015
1.3.1.6294-pre1 4,400 12/24/2014
1.3.0.6292 9,536 12/24/2014
1.3.0.6286-pre4 2,117 12/19/2014
1.3.0.6284-pre3 1,617 12/12/2014
1.3.0.6280-pre2 1,569 12/9/2014
1.3.0.6275-pre1 7,843 11/12/2014
1.2.3.6257 38,612 10/2/2014
1.2.3.6256-pre4 2,259 9/26/2014
1.2.3.6255-pre3 2,661 9/20/2014
1.2.3.6249-pre2 1,831 9/9/2014
1.2.3.6246-pre1 4,368 8/15/2014
1.2.2.6243 28,442 7/30/2014
1.2.2.6241-pre3 2,764 7/28/2014
1.2.2.6240-pre2 4,602 7/22/2014
1.2.2.6238-pre1 3,732 7/17/2014
1.2.1.6229 8,454 7/14/2014
1.1.1.6206 14,184 6/19/2014
1.1.0.6201 13,397 6/12/2014
1.0.6197 4,175 6/4/2014
1.0.6188 11,646 5/28/2014
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