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Xamarin.Android 4.18

The Xamarin.Android 4.18 series contains various bug fixes.

Xamarin.Android 4.18.1

Known Issues

  • Fixing bug 23823 involved reverting some build-time performance improvements. Users may see a drop in repeated build performance when compared to 4.18.0. The performance enhancements will be re-worked and re-released in a future update.

Bug fixes

  • 13686 : Problems with System.TimeZoneInfo.
  • 20172 : System.TimeZone.CurrentTimeZone.GetUtcOffset(DateTime.Now) returns wrong value.
  • 21550 : Crash on startup on Intel Atom x86 for MvvmCross app.
  • 22955 : Basic DateTime calculations are throwing execptions since last update.
  • 22991 : System.DateTime implementation should not use native objects.
  • 23405 : DateTime.Now returns time off by 1 hour.
  • 23653 : "Access to the path ...obj\Debug\res... is denied" when resource files are marked as read-only.
  • 23823 : Error rendering views with AppCompat.
  • 23880 : Binary XML file line #1 Error inflating class when namespace is not lowercase in AXML.

Xamarin.Android 4.18.0

New Features

Known Issues in 4.18.0.30

  • 23167 : XML View names not updated. In previous releases, if a Library project contained resource XML which referenced C# View types, the Library project's XML would be updated at build time to use the correct ACW's . That was accidentally broken. Workaround : Use ACW names in Layout .axml, not C# type names.

This will be fixed in 4.18.0.32.

Bug fixes

  • 1969 : System.Net.NetworkInformation.GetAllNetworkInterfaces() Fails.
  • 9770 : Generator produces incorrect connector for the RegisterAttribute.
  • 18692 : Including large numbers of Resources result in really slow build times.
  • 18763 : Native SIGSEGVs don't invoke Android's SIGSEGV handler [Take 2!]. Thanks to 14 T.J. Purtell.
  • 21351 : Attribute name has already been defined.
    Fixed in Xamarin.Android 4.18.0.32.
  • 21747 : Returning long[] as inout parameter from Android service doesn't result in expected values.
  • 22057 : Capital letters in Java package names cause java.lang.NoClassDefFoundError for resources.
  • 22061 : Assets within Class Libraries are wrong embbeded in the Application referencing the class library.
  • 22155 : GoogleApiClientBuilder.AddApi(Api, Object) throws Java.Lang.NoSuchMethodError Exception.
  • 22271 : Stepping over breakpoints results in crash.
  • 22286 : VMSafeMode (and others, i.e. AllowBackup) missing in ApplicationAttribute.
  • 23167 : Regression involving Layout XML within Library projects.
    Fixed in Xamarin.Android 4.18.0.31.

Integrated Mono features/fixes

Based on Mono 3.10.0 commit 5d07b77a.

  • 833 : Path.GetFullPath returns duplicate DirectorySeparatorStr if Directory.GetCurrentDirectory() == DirectorySeparatorStr.
  • 3211 : Race condition when XmlAnyElement is applied to a XmlNode field
  • 6913 : Error creating XmlSerializer on mono (on .NET is ok) when target's parent[!] class don't have parameterless constructor.
  • 10163 : System.Net.WebClient.OpenWrite not working.
  • 11916 : System.Xml.Linq.XElement cannot be de/serialized.
  • 18482 : RSA - Import Public Key Bug.
  • 19097 : Remove assert about condition param_count not met.
  • 19313 : DeflateStream incorrectly blocks, whereas Microsoft's runtime works fine.
  • 20359 : System.Net.WebClient.UploadValuesTaskAsync doesn't set Content-Type.
  • 21771 : XmlReader.Dispose() calls Dispose(false)
  • 21960 : HttpWebRequest NameValueHeaderValue does not allow quotes in key / values.
  • 21982 : .net 4.5 constructor overloads for GzipStream/DeflateStream are still not implemented
  • 22059 : Missing TypeLoadException for TypeBuilder.CreateType() with private interface
  • 22114 : String.Format() incorrectly parses {{{0:C}}}
  • 22282 : Mono 3.6.0 ClaimsPrincipal and ClaimsIdentity constructors fail and/or do not match .net 4.5.

API Changes

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