[DO NOT MERGE] Test building GPS with .NET 8 Preview SDK.

Directory.Build.props

@@ -4,7 +4,7 @@
     <RepositoryType>git</RepositoryType>
 
     <!-- Default TFM's we build for -->
-    <_DefaultTargetFrameworks>MonoAndroid12.0;net6.0-android</_DefaultTargetFrameworks>
+    <_DefaultTargetFrameworks>net8.0-android</_DefaultTargetFrameworks>
 
     <!-- Opt out of C#8 features to maintain compatibility with legacy -->
     <AndroidBoundInterfacesContainConstants>false</AndroidBoundInterfacesContainConstants>

azure-pipelines.yaml

@@ -21,7 +21,7 @@ resources:
       type: github
       name: xamarin/androidx
       endpoint: xamarin
-      ref: refs/heads/main
+      ref: refs/heads/net8-test
 
 jobs:
   - template: build/ci/build.yml@androidx

global.json

@@ -1,8 +1,9 @@
 {
     "sdk": 
     {
-        "version": "6.0.403",
-        "rollForward": "patch"
+        "version": "8.0.0",
+        "allowPrerelease": true,
+        "rollForward": "latestMinor"
     },
     "msbuild-sdks": 
     {

samples/Directory.Build.props

@@ -2,7 +2,7 @@
 
   <!-- Default TFM's we build for -->
   <PropertyGroup>
-    <_DefaultDotNetSampleTargetFrameworks>net6.0-android</_DefaultDotNetSampleTargetFrameworks>
+    <_DefaultDotNetSampleTargetFrameworks>net8.0-android</_DefaultDotNetSampleTargetFrameworks>
   </PropertyGroup>
 
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">