Xamarin.Forms.Maps 1.4.0.6336-pre1

Maps models and renderers for Xamarin.Forms

This is a prerelease version of Xamarin.Forms.Maps.
There is a newer version of this package available.
See the version list below for details.
Install-Package Xamarin.Forms.Maps -Version 1.4.0.6336-pre1
dotnet add package Xamarin.Forms.Maps --version 1.4.0.6336-pre1
<PackageReference Include="Xamarin.Forms.Maps" Version="1.4.0.6336-pre1" />
For projects that support PackageReference, copy this XML node into the project file to reference the package.
paket add Xamarin.Forms.Maps --version 1.4.0.6336-pre1
The NuGet Team does not provide support for this client. Please contact its maintainers for support.

Release Notes

## Important Notes ##

This is a feature release. As such unlike a patch version bump, the minor version bump indicates the inclusion of new APIs. There should be no breaking changes; however with all feature work, there is the potential for the inclusion of instability. Please help us beta test this release and let us know of any issues you run across.

## New API ##

### ScrollView ###

It is now possible to detect the current scroll offset of the ScrollView. These are readonly bindable properties.
```csharp
public double ScrollX { get; }
public double ScrollY { get; }
```

There are also methods which can be used to perform scrolling in the ScrollView.
```csharp
public Task ScrollToAsync (double x, double y, bool animated);
public Task ScrollToAsync (Element element, bool animated);
```
The `Element` passed to `ScrollToAsync` must be a descendant of the `ScrollView` but does not have to be a direct child.

Finally for those who do not wish to use bindings to observe scrolling, there is a `Scrolled` event that fires when `ScrollX` or `ScrollY` are updated.
```csharp
public event EventHandler<ScrolledEventArgs> Scrolled;

public class ScrolledEventArgs : EventArgs
{
   public double ScrollX { get; } = 0;
   public double ScrollY { get; } = 0;
}
```
Lastly ScrollView no longer uses any internal API to communicate between the frontend and the renderer. `IScrollViewController`, which is implemented explicitly on ScrollView can be used to trigger these and other events.

### ListView ###

**Separator Enhancements**
It is now possible to enable/disable separators for the ListView. This can be configured via the `SeparatorVisibility` property, which is bindable.
```csharp
public SeparatorVisibility SeparatorVisibility { get; set; } = SeparatorVisibility.Default;

public enum SeparatorVisibility {
   Default = 0,
   None = 1,
}
```
Currently there is no option for `Always` as not all platforms have separators as part of their UX. We are considering adding this in the future, however it would be an invented paradigm for Windows platforms.

It is now possible to apply a `Color` to the separator in ListView.
```csharp
public Color SeparatorColor { get; set; } = Color.Default;
```
The default value is `Color.Default` and will function unchanged from the 1.3.0 implementation if left untouched. RGBA values are supported. This function does nothing in `SeparatorVisibility` is set to `None`. Please note that setting either of these properties on Android after loading the `ListView` incurs a large performance penalty.

**Header/Footer**
`ListView` has also grown both a Header and a Footer. These are managed through a series of properties which enable everything from simple usage to more complex MVVM style usage. With Header/Footer the primary reason developers have in the past been forced to put ListViews inside of ScrollViews is finally dead! If you are still placing a ListView inside a ScrollView we strongly suggest you consider porting.
```csharp
public object Header { get; set; } = null;
public DataTemplate HeaderTemplate { get; set; } = null;
public object Footer { get; set; } = null;
public DataTemplate FooterTemplate { get; set; } = null;
```
It is important to note that Header or Footer may be set directly to a View and the Template properties left null. This will cause the Header/Footer to be directly consumed by the renderer. All of these properties are bindable.

**Pull To Refresh**
PullToRefresh has been enabled on all current target platforms for ListView. To enable PullToRefresh in your app simple set `IsPullToRefreshEnabled` to true and make sure you respond to the correct events. It is important to note that this is the "easy" version of this API, in the future a more complete API with a standalone View may be added.
```csharp
public event EventHandler Refreshing;

public bool IsPullToRefreshEnabled { get; set; } = false;
public bool IsRefreshing { get; set; } = false;
public ICommand RefreshCommand { get; set; } = null;

public void BeginRefresh ();
public void EndRefresh ();
```
When the user triggers a `PullToRefresh` the Command will be invoked and the `Refreshed` event emitted. `IsRefreshing` will be set to true. The `ICommand.CanExecute` property is respected. The user must either call `EndRefresh` or assign `IsRefreshing` to false in order to end the refresh state.

All control parameters for these features and more are exposed through the IListViewController interface, which is explicitly implemented on ListView. This will assist those wishing to modify how these features work in custom renderers.

The Windows Phone implementation of PullToRefresh is a custom implementation as there is no platform idiom for doing this. In the future if the Windows platform decided to add a method of doing PullToRefresh by default, we intend to port.

### Forms.Application ###

The `Application` class now exposes 4 new events for dealing with Modal navigation.
```csharp
public event EventHandler<ModalPushedEventArgs> ModalPushed;
public event EventHandler<ModalPoppedEventArgs> ModalPopped;
public event EventHandler<ModalPushingEventArgs> ModalPushing;
public event EventHandler<ModalPoppingEventArgs> ModalPopping;
```
The `ModalPoppingEventArgs` contains a `Cancel` property which if set to true will cancel the Pop event and cause the application to enter the background (the operating system is informed of the unhandled back event).

In order to implement this feature, all pre-Application methods of creating a Forms app have been updated to create a default `Application` which is set as the root pages `Parent`. It is possible this may cause issues in some edge cases, if you have any issues please file a bug report. It is suggested you update your app to the new LoadApplication initialization methodology if possible.

Application now has a method of manually forcing the `Properties` dictionary to be saved to the IsolatedFileStore. This is to allow users to save their properties when it makes sense for them rather than risk them not getting serialized out due to a crash/being killed by the OS.
```csharp
public Task SavePropertiesAsync ()
```

### OpenGLRenderer ###

On Android `OpenGLRenderer` has been renamed `OpenGLViewRenderer` for consistency.

### Layout ###
Layout now contains a `ILayoutController` class which has an `IReadOnlyList<Element>` which can be used to enumerate the children of a Layout regardless of the type of the Layout.

## Other Features ##

- WebView now correctly supports javascript out of the box on Windows Phone 8.0

## Bug Fixes ##

- [Bug 27063](https://bugzilla.xamarin.com/show_bug.cgi?id=27063) - Navigation not always returning to the proper page.
- [Bug 27225](https://bugzilla.xamarin.com/show_bug.cgi?id=27225) - Secondary ToolbarItems cause app to hang during PushAsync
- [Bug 27437](https://bugzilla.xamarin.com/show_bug.cgi?id=27437) - [iOS] Context menu error after deleting an item from a ListView using ContextActions
- [Bug 27096](https://bugzilla.xamarin.com/show_bug.cgi?id=27096) - EntryCell has different fontsize on Android
- [Bug 21317](https://bugzilla.xamarin.com/show_bug.cgi?id=21317) - Stepper control .IsEnabled doesn't work on Android
- [Bug 26338](https://bugzilla.xamarin.com/show_bug.cgi?id=26338) - Unable to change page BackgroundImage from code
- [Bug 26588](https://bugzilla.xamarin.com/show_bug.cgi?id=26588) - [WinPhone] Entry does not trigger numeric keyboard when password masking is enabled


## Other Fixes ##

- Stepper default values now can be correctly inherited through a style.
- x:Static now correctly reports position on error in XAML.
- XAML now throws a more user friendly error on duplicate x:Name
- XAML will now use implicit operators when assigning values to properties
- XAML now supports baseclass indication for collection properties
- XAML string literals are now supported with `{}foo`
- iOS6 Modal pages should no longer sometimes have a 20px offset for no reason

Showing the top 10 GitHub repositories that depend on Xamarin.Forms.Maps:

Repository Stars
xamarin/xamarin-forms-samples
Sample apps built using the Xamarin.Forms framework
xamarinhq/app-conference
Pre-build conference application built with Xamarin
xamarin/xamarin-forms-book-samples
Code samples for "Creating Mobile Apps with Xamarin.Forms"
microsoft/appcenter
Central repository for App Center open source resources and planning.
microsoft/SmartHotel360-Mobile
SmartHotel360 Mobile
conceptdev/xamarin-forms-samples
Samples that use Xamarin.Forms (http://xamarin.com/forms)
xamarin/app-crm
xamarinhq/app-acquaint
A Xamarin demo app featuring both Xamarin.Forms and native approaches to Xamarin development
xamarinhq/app-myshoppe
Cross-platform Xamarin.Forms sample for managing stores.
chrfalch/NControl
Simple Xamarin.Forms wrapper control around the NGraphics library

Read more about the GitHub Usage information on our documentation.

Version History

Version Downloads Last updated
4.5.0.282-pre4 278 2/10/2020
4.5.0.266-pre3 173 2/5/2020
4.5.0.187-pre2 538 1/23/2020
4.5.0.142-pre1 396 1/13/2020
4.4.0.991640 3,845 2/5/2020
4.4.0.991537 6,563 1/23/2020
4.4.0.991477 7,228 1/10/2020
4.4.0.991265 17,685 12/12/2019
4.4.0.991220-pre3 198 12/4/2019
4.4.0.991210-pre2 512 11/14/2019
4.4.0.936621-pre1 422 10/31/2019
4.3.0.991250 1,618 12/12/2019
4.3.0.991221 8,629 12/4/2019
4.3.0.991211 15,628 11/14/2019
4.3.0.947036 11,785 10/29/2019
4.3.0.908675 18,960 10/21/2019
4.3.0.851321-pre3 752 10/2/2019
4.3.0.819712-pre2 339 9/19/2019
4.3.0.778476-pre1 470 9/11/2019
4.2.0.910310 2,171 10/21/2019
4.2.0.848062 13,759 10/2/2019
4.2.0.815419 8,610 9/19/2019
4.2.0.778463 6,068 9/11/2019
4.2.0.709249 28,402 8/21/2019
4.2.0.673161-pre3 426 8/7/2019
4.2.0.618605-pre2 359 7/24/2019
4.2.0.608146-pre1 278 7/16/2019
4.1.0.778454 2,497 9/11/2019
4.1.0.709244 3,851 8/21/2019
4.1.0.673156 13,267 8/7/2019
4.1.0.618606 15,185 7/24/2019
4.1.0.581479 14,442 7/9/2019
4.1.0.555618 11,254 6/28/2019
4.1.0.496342-pre2 572 6/13/2019
4.1.0.483098-pre1 750 6/5/2019
4.0.0.709238 636 8/21/2019
4.0.0.618610 969 7/24/2019
4.0.0.540366 6,674 6/27/2019
4.0.0.497661 12,078 6/13/2019
4.0.0.482894 5,001 6/3/2019
4.0.0.425677 24,545 5/14/2019
4.0.0.394984-pre10 721 5/3/2019
4.0.0.346134-pre9 997 4/18/2019
4.0.0.304370-pre8 873 4/3/2019
4.0.0.250467-pre7 657 3/20/2019
4.0.0.232914-pre6 488 3/14/2019
4.0.0.169046-pre5 849 2/21/2019
4.0.0.135214-pre4 576 2/6/2019
4.0.0.94569-pre3 614 1/24/2019
4.0.0.62955-pre2 652 1/10/2019
4.0.0.8055-pre1 1,480 12/4/2018
3.6.0.709228 2,317 8/21/2019
3.6.0.539721 2,904 6/27/2019
3.6.0.344457 36,048 4/18/2019
3.6.0.293080 16,316 4/3/2019
3.6.0.264807 10,718 3/19/2019
3.6.0.220655 15,227 3/6/2019
3.6.0.169048-pre2 319 2/21/2019
3.6.0.135200-pre1 330 2/6/2019
3.5.0.274416 4,412 3/26/2019
3.5.0.169047 8,717 2/20/2019
3.5.0.129452 12,474 2/6/2019
3.5.0.94564-pre3 355 1/24/2019
3.5.0.62956-pre2 423 1/10/2019
3.4.0.1039999 2,066 3/26/2019
3.4.0.1029999 9,181 1/24/2019
3.4.0.1009999 21,560 1/4/2019
3.4.0.1008975 49,391 11/15/2018
3.4.0.987044-pre2 627 11/8/2018
3.4.0.925479-pre1 1,438 10/18/2018
3.3.0.967583 15,459 11/1/2018
3.3.0.912540 14,262 10/18/2018
3.3.0.893527-pre3 761 10/11/2018
3.3.0.871608-pre2 1,918 10/1/2018
3.3.0.840541-pre1 2,027 9/20/2018
3.2.0.871581 21,886 10/3/2018
3.2.0.839982 23,074 9/17/2018
3.2.0.809874-pre3 933 9/10/2018
3.2.0.729530-pre2 1,514 8/14/2018
3.2.0.637442-pre1 2,548 7/17/2018
3.1.0.697729 27,506 8/1/2018
3.1.0.637273 20,602 7/11/2018
3.1.0.583944 22,204 6/20/2018
3.1.0.561732-pre4 1,014 6/11/2018
3.1.0.550168-pre3 906 6/6/2018
3.1.0.530888-pre2 934 6/4/2018
3.1.0.469394-pre1 1,554 5/9/2018
3.0.0.561731 7,945 6/11/2018
3.0.0.550146 3,668 6/6/2018
3.0.0.530893 2,681 6/4/2018
3.0.0.482510 13,362 5/14/2018
3.0.0.446417 6,470 5/1/2018
3.0.0.427558-pre4 1,358 4/25/2018
3.0.0.354232-pre3 1,350 4/5/2018
3.0.0.296286-pre2 1,381 3/20/2018
2.5.1.527436 11,915 5/4/2018
2.5.1.444934 17,465 4/4/2018
2.5.1.392594-pre3 831 3/21/2018
2.5.1.340284-pre2 1,143 3/9/2018
2.5.1.317207-pre1 1,129 3/1/2018
2.5.0.280555 39,720 2/16/2018
2.5.0.122203 22,942 12/18/2017
2.5.0.121934 22,522 11/28/2017
2.5.0.91635 10,609 11/16/2017
2.5.0.77107 3,625 11/13/2017
2.5.0.75255-pre3 940 11/10/2017
2.5.0.19271-pre2 1,325 10/20/2017
2.4.0.91020 6,387 11/16/2017
2.4.0.74863 4,709 11/10/2017
2.4.0.38779 9,924 10/30/2017
2.4.0.18342 7,351 10/20/2017
2.4.0.282 29,868 9/29/2017
2.4.0.280 4,219 9/27/2017
2.4.0.275-pre3 1,375 9/19/2017
2.4.0.269-pre2 2,433 8/29/2017
2.4.0.266-pre1 2,325 8/16/2017
2.3.5.256-pre6 3,345 6/29/2017
2.3.5.255-pre5 3,532 6/26/2017
2.3.5.239-pre3 3,243 5/11/2017
2.3.5.235-pre2 1,814 4/26/2017
2.3.5.233-pre1 1,387 4/13/2017
2.3.4.270 19,633 8/29/2017
2.3.4.267 12,061 8/16/2017
2.3.4.247 46,104 5/16/2017
2.3.4.231 39,057 4/12/2017
2.3.4.224 14,986 3/29/2017
2.3.4.221-pre6 2,262 3/27/2017
2.3.4.214-pre5 2,517 3/14/2017
2.3.4.212-pre4 1,189 3/10/2017
2.3.4.211-pre3 1,120 3/9/2017
2.3.4.192-pre2 3,545 2/3/2017
2.3.4.184-pre1 2,432 1/13/2017
2.3.3.193 30,418 2/1/2017
2.3.3.180 33,834 1/5/2017
2.3.3.175 9,912 12/6/2016
2.3.3.168 8,404 11/23/2016
2.3.3.166-pre4 1,564 11/3/2016
2.3.3.165-pre4 1,024 10/27/2016
2.3.3.163-pre3 1,438 10/17/2016
2.3.3.152-pre2 8,959 9/15/2016
2.3.2.127 49,378 9/14/2016
2.3.2.118-pre1 2,002 8/3/2016
2.3.1.114 17,479 8/3/2016
2.3.1.113-pre3 1,307 7/19/2016
2.3.1.111-pre2 1,260 7/4/2016
2.3.1.110-pre1 1,033 6/29/2016
2.3.0.107 38,201 6/29/2016
2.3.0.49 14,361 6/16/2016
2.3.0.48-pre3 1,082 6/16/2016
2.3.0.46-pre3 1,723 5/30/2016
2.3.0.38-pre2 2,076 4/27/2016
2.3.0.34-pre1 4,704 4/27/2016
2.2.0.45 12,628 5/30/2016
2.2.0.31 35,524 4/27/2016
2.2.0.23-pre4 1,302 4/20/2016
2.2.0.18-pre3 1,113 4/20/2016
2.2.0.16-pre3 1,327 4/20/2016
2.2.0.5-pre2 2,529 4/8/2016
2.2.0.4-pre1 4,595 4/5/2016
2.1.0.6529 11,725 3/13/2016
2.1.0.6526 5,573 3/9/2016
2.1.0.6524 4,303 3/2/2016
2.1.0.6521 1,563 3/1/2016
2.1.0.6517-pre5 1,284 2/18/2016
2.1.0.6513-pre4 1,266 2/9/2016
2.1.0.6508-pre3 1,428 1/28/2016
2.1.0.6503-pre2 1,990 1/22/2016
2.1.0.6501-pre1 1,020 1/21/2016
2.1.0.6500-pre1 1,170 1/20/2016
2.0.1.6505 19,054 1/28/2016
2.0.1.6495 6,129 1/20/2016
2.0.1.6492-pre1 1,379 12/3/2015
2.0.0.6490 10,530 12/1/2015
2.0.0.6484 2,725 11/21/2015
2.0.0.6482 3,988 11/17/2015
1.5.2.6478-pre3 982 11/17/2015
1.5.2.6477-pre2 1,417 11/10/2015
1.5.2.6469-pre1 1,358 10/20/2015
1.5.1.6471 11,594 10/20/2015
1.5.1.6468 1,517 10/20/2015
1.5.1.6460-pre2 1,079 10/13/2015
1.5.1.6455-pre1 2,325 10/2/2015
1.5.0.6447 9,687 9/25/2015
1.5.0.6446 4,514 9/16/2015
1.5.0.6404-pre3 1,438 8/25/2015
1.5.0.6401-pre2 1,223 8/21/2015
1.5.0.6396-pre1 1,158 8/5/2015
1.4.4.6449 1,438 9/25/2015
1.4.4.6443 1,283 9/16/2015
1.4.4.6392 10,799 7/29/2015
1.4.4.6391 1,212 7/28/2015
1.4.4.6387 1,390 7/27/2015
1.4.4.6379-pre3 1,188 7/20/2015
1.4.4.6378-pre2 1,111 7/16/2015
1.4.4.6377-pre1 1,194 7/14/2015
1.4.3.6376 4,635 7/9/2015
1.4.3.6374 3,451 7/1/2015
1.4.3.6372 1,265 6/30/2015
1.4.3.6364-pre3 1,119 6/16/2015
1.4.3.6358-pre2 1,281 4/24/2015
1.4.3.6356-pre1 1,161 4/21/2015
1.4.2.6359 10,409 4/30/2015
1.4.2.6355 3,084 4/21/2015
1.4.2.6353-pre2 1,141 3/31/2015
1.4.2.6350-pre1 1,046 3/30/2015
1.4.1.6349 9,772 3/30/2015
1.4.1.6347-pre2 1,336 3/19/2015
1.4.1.6342-pre1 1,253 3/10/2015
1.4.0.6341 3,692 3/9/2015
1.4.0.6340-pre2 1,040 3/6/2015
1.4.0.6336-pre1 1,096 3/3/2015
1.3.5.6337 1,588 3/5/2015
1.3.5.6335 1,524 3/2/2015
1.3.5.6333-pre1 1,143 2/17/2015
1.3.4.6332 2,228 2/17/2015
1.3.4.6331-pre4 1,167 2/13/2015
1.3.4.6329-pre3 1,072 2/12/2015
1.3.4.6328-pre2 1,047 2/11/2015
1.3.4.6325-pre1 1,060 2/9/2015
1.3.3.6323 1,962 2/9/2015
1.3.3.6322-pre3 1,124 2/6/2015
1.3.3.6321-pre2 1,096 2/4/2015
1.3.3.6318-pre1 1,078 2/2/2015
1.3.2.6316 1,754 2/3/2015
1.3.2.6313-pre3 1,098 1/30/2015
1.3.2.6309-pre2 1,114 1/28/2015
1.3.2.6299-pre1 1,213 1/20/2015
1.3.1.6296 5,075 1/4/2015
1.3.1.6294-pre1 1,239 12/24/2014
1.3.0.6292 1,972 12/24/2014
1.3.0.6286-pre4 1,106 12/19/2014
1.3.0.6284-pre3 1,165 12/12/2014
1.3.0.6280-pre2 1,131 12/9/2014
1.3.0.6275-pre1 2,716 11/12/2014
1.2.3.6257 8,408 10/2/2014
1.2.3.6256-pre4 1,103 9/26/2014
1.2.3.6255-pre3 1,710 9/20/2014
1.2.3.6249-pre2 1,153 9/9/2014
1.2.3.6246-pre1 1,137 8/15/2014
1.2.2.6243 4,034 7/30/2014
1.2.2.6241-pre3 1,051 7/28/2014
1.2.2.6240-pre2 1,416 7/22/2014
1.2.2.6238-pre1 1,035 7/17/2014
1.2.1.6229 2,933 7/14/2014
1.1.1.6206 7,080 6/19/2014
1.1.0.6201 2,123 6/12/2014
1.0.6197 1,519 6/4/2014
1.0.6188 3,628 5/28/2014
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