Use less caching on mobile platforms

ReactiveUI.Platforms/ComponentModelTypeConverter.cs

@@ -3,6 +3,7 @@
 
 namespace ReactiveUI
 {
+
     /// <summary>
     /// This binding type converter uses the built-in WPF component model 
     /// conversions to get a whole bunch of conversions for free. Unfortunately,
@@ -21,7 +22,7 @@ public class ComponentModelTypeConverter : IBindingTypeConverter
 
             var converter = TypeDescriptor.GetConverter(types.Item1);
             return converter.CanConvertTo(types.Item2) ? converter : null;
-        }, 25);
+        }, RxApp.SmallCacheLimit);
 
         public int GetAffinityForObjects(Type lhs, Type rhs)
         {

ReactiveUI.Tests/Properties/AndroidManifest.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android" android:versionCode="1" android:versionName="1.0" package="ReactiveUI.Tests_Monodroid">
+	<uses-sdk />
+	<application android:label="ReactiveUI.Tests_Monodroid">
+	</application>
+</manifest>

ReactiveUI.Tests/ReactiveUI.Tests_Monodroid.csproj

@@ -19,6 +19,7 @@
     <AndroidSupportedAbis>armeabi%3barmeabi-v7a%3bx86</AndroidSupportedAbis>
     <MandroidI18n />
     <AndroidLinkMode>None</AndroidLinkMode>
+    <AndroidManifest>Properties\AndroidManifest.xml</AndroidManifest>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
     <DebugSymbols>true</DebugSymbols>
@@ -101,6 +102,7 @@
   </ItemGroup>
   <ItemGroup>
     <None Include="Resources\AboutResources.txt" />
+    <None Include="Properties\AndroidManifest.xml" />
   </ItemGroup>
   <ItemGroup>
     <AndroidResource Include="Resources\drawable\Icon.png" />

ReactiveUI/AutoPersistHelper.cs

@@ -18,11 +18,11 @@ public static class AutoPersistHelper
             return type.GetProperties()
                 .Where(x => x.CustomAttributes.Any(y => typeof(DataMemberAttribute).IsAssignableFrom(y.AttributeType)))
                 .ToDictionary(k => k.Name, v => true);
-        }, 32);
+        }, RxApp.SmallCacheLimit);
 
         static MemoizingMRUCache<Type, bool> dataContractCheckCache = new MemoizingMRUCache<Type, bool>((t, _) => {
             return t.GetCustomAttributes(typeof(DataContractAttribute), true).Any();
-        }, 64);
+        }, RxApp.SmallCacheLimit);
 
         public static IDisposable AutoPersist<T>(this T This, Func<T, IObservable<Unit>> doPersist, TimeSpan? interval = null)
             where T : IReactiveNotifyPropertyChanged
@@ -131,4 +131,4 @@ public static IDisposable ActOnEveryObject<T>(this ReactiveList<T> This, Action<
             });
         }
     }
-}
+}

ReactiveUI/BindingTypeConverters.cs

@@ -43,7 +43,7 @@ public int GetAffinityForObjects(Type lhs, Type rhs)
             genericMi = genericMi ?? 
                 typeof (EqualityTypeConverter).GetMethod("DoReferenceCast", BindingFlags.Public | BindingFlags.Static);
             return genericMi.MakeGenericMethod(new[] {t});
-        }, 25);
+        }, RxApp.SmallCacheLimit);
 
         public bool TryConvert(object from, Type toType, object conversionHint, out object result)
         {
@@ -103,4 +103,4 @@ public bool TryConvert(object from, Type toType, object conversionHint, out obje
             return true;
         }
     }
-}
+}

ReactiveUI/CommandBinding.cs

@@ -347,7 +347,7 @@ class CreatesCommandBinding
                         int score = x.GetAffinityForObject(t, false);
                         return (score > acc.Item1) ? Tuple.Create(score, x) : acc;
                     }).Item2;
-            }, 50);
+            }, RxApp.SmallCacheLimit);
 
         static readonly MemoizingMRUCache<Type, ICreatesCommandBinding> bindCommandEventCache = 
             new MemoizingMRUCache<Type, ICreatesCommandBinding>((t, _) => {
@@ -356,7 +356,7 @@ class CreatesCommandBinding
                         int score = x.GetAffinityForObject(t, true);
                         return (score > acc.Item1) ? Tuple.Create(score, x) : acc;
                     }).Item2;
-            }, 50);
+            }, RxApp.SmallCacheLimit);
 
         public static IDisposable BindCommandToObject(ICommand command, object target, IObservable<object> commandParameter)
         {

ReactiveUI/Logging.cs

@@ -112,7 +112,7 @@ public DefaultLogManager(IDependencyResolver dependencyResolver = null)
                 }
 
                 return new WrappingFullLogger(ret, type);
-            }, 30);
+            }, RxApp.BigCacheLimit);
         }
 
         static readonly IFullLogger nullLogger = new WrappingFullLogger(new NullLogger(), typeof(MemoizingMRUCache<Type, IFullLogger>));

ReactiveUI/PropertyBinding.cs

@@ -1038,7 +1038,7 @@ bool evalBindingHooks<TViewModel, TView>(TViewModel viewModel, TView view, strin
                         return score > acc.Item1 && score > 0 ?
                             Tuple.Create(score, x) : acc;
                     }).Item2;
-            }, 25);
+            }, RxApp.SmallCacheLimit);
 
         internal IBindingTypeConverter getConverterForTypes(Type lhs, Type rhs)
         {

ReactiveUI/ReactiveNotifyPropertyChangedMixin.cs

@@ -179,7 +179,7 @@ public static IObservable<IObservedChange<TSender, TValue>> SubscribeToExpressio
                         int score = x.GetAffinityForObject(t.Item1, t.Item2, t.Item3);
                         return (score > acc.Item1) ? Tuple.Create(score, x) : acc;
                     }).Item2;
-            }, 50);
+            }, RxApp.BigCacheLimit);
 
         static IObservable<IObservedChange<object, object>> notifyForProperty(object sender, string propertyName, bool beforeChange)
         {

ReactiveUI/Reflection.cs

@@ -24,7 +24,7 @@ public static class Reflection
                 }
 
                 return null;
-            }, 15);
+            }, RxApp.BigCacheLimit);
 
         static readonly MemoizingMRUCache<Tuple<Type, string>, Action<object, object>> propWriterCache = 
             new MemoizingMRUCache<Tuple<Type, string>, Action<object, object>>((x,_) => {
@@ -39,7 +39,7 @@ public static class Reflection
                 }
 
                 return null;
-            }, 15);
+            }, RxApp.BigCacheLimit);
 
         public static string SimpleExpressionToPropertyName<TObj, TRet>(Expression<Func<TObj, TRet>> property)
         {
@@ -331,4 +331,4 @@ internal static string[] getDefaultViewPropChain(object view, string[] vmPropCha
             return new[] {vmPropertyName, defaultProperty};
         }
     }
-}
+}

ReactiveUI/RxApp.cs

@@ -290,6 +290,14 @@ static void initializeDependencyResolver()
         }
 
         static internal bool suppressLogging { get; set; }
+
+#if ANDROID || SILVERLIGHT || IOS
+        public const int SmallCacheLimit = 4;
+        public const int BigCacheLimit = 8;
+#else
+        public const int SmallCacheLimit = 32;
+        public const int BigCacheLimit = 64;
+#endif
     }    
 }