Updated reachability sample

reachability/.gitignore

@@ -0,0 +1,5 @@
+*.exe
+*.mdb
+*.userprefs
+bin
+simulator

reachability/MainWindow.xib

@@ -1,11 +1,15 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="7.02">
+<archive type="com.apple.InterfaceBuilder3.CocoaTouch.XIB" version="7.10">
 	<data>
 		<int key="IBDocument.SystemTarget">512</int>
-		<string key="IBDocument.SystemVersion">9C7010</string>
-		<string key="IBDocument.InterfaceBuilderVersion">654</string>
-		<string key="IBDocument.AppKitVersion">949.26</string>
-		<string key="IBDocument.HIToolboxVersion">352.00</string>
+		<string key="IBDocument.SystemVersion">10B504</string>
+		<string key="IBDocument.InterfaceBuilderVersion">740</string>
+		<string key="IBDocument.AppKitVersion">1038.22</string>
+		<string key="IBDocument.HIToolboxVersion">457.00</string>
+		<object class="NSMutableDictionary" key="IBDocument.PluginVersions">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
+			<string key="NS.object.0">62</string>
+		</object>
 		<object class="NSMutableArray" key="IBDocument.EditedObjectIDs">
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<integer value="7"/>
@@ -14,11 +18,23 @@
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 		</object>
+		<object class="NSMutableDictionary" key="IBDocument.Metadata">
+			<bool key="EncodedWithXMLCoder">YES</bool>
+			<object class="NSArray" key="dict.sortedKeys" id="0">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+			<object class="NSMutableArray" key="dict.values">
+				<bool key="EncodedWithXMLCoder">YES</bool>
+			</object>
+		</object>
 		<object class="NSMutableArray" key="IBDocument.RootObjects" id="1000">
 			<bool key="EncodedWithXMLCoder">YES</bool>
 			<object class="IBProxyObject" id="841351856">
 				<string key="IBProxiedObjectIdentifier">IBFilesOwner</string>
 			</object>
+			<object class="IBProxyObject" id="1071500409">
+				<string key="IBProxiedObjectIdentifier">IBFirstResponder</string>
+			</object>
 			<object class="IBUICustomObject" id="987256611"/>
 			<object class="IBUIWindow" id="380026005">
 				<reference key="NSNextResponder"/>
@@ -38,7 +54,7 @@
 								<bool key="IBUIOpaque">NO</bool>
 								<bool key="IBUIClipsSubviews">YES</bool>
 								<bool key="IBUIUserInteractionEnabled">NO</bool>
-								<string type="base64-UTF8" key="IBUIText"></string>
+								<string key="IBUIText"/>
 								<object class="NSColor" key="IBUITextColor">
 									<int key="NSColorSpace">1</int>
 									<bytes key="NSRGB">MSAwIDAAA</bytes>
@@ -46,7 +62,7 @@
 								<nil key="IBUIHighlightedColor"/>
 								<int key="IBUIBaselineAdjustment">1</int>
 								<bool key="IBUIAdjustsFontSizeToFit">NO</bool>
-								<float key="IBUIMinimumFontSize">1.400000e+01</float>
+								<float key="IBUIMinimumFontSize">14</float>
 								<int key="IBUINumberOfLines">0</int>
 								<int key="IBUITextAlignment">1</int>
 							</object>
@@ -116,9 +132,7 @@
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 					<object class="IBObjectRecord">
 						<int key="objectID">0</int>
-						<object class="NSArray" key="object" id="957960031">
-							<bool key="EncodedWithXMLCoder">YES</bool>
-						</object>
+						<reference key="object" ref="0"/>
 						<reference key="children" ref="1000"/>
 						<nil key="parent"/>
 					</object>
@@ -129,18 +143,18 @@
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<reference ref="388289409"/>
 						</object>
-						<reference key="parent" ref="957960031"/>
+						<reference key="parent" ref="0"/>
 					</object>
 					<object class="IBObjectRecord">
 						<int key="objectID">-1</int>
 						<reference key="object" ref="841351856"/>
-						<reference key="parent" ref="957960031"/>
-						<string type="base64-UTF8" key="objectName">RmlsZSdzIE93bmVyA</string>
+						<reference key="parent" ref="0"/>
+						<string key="objectName">File's Owner</string>
 					</object>
 					<object class="IBObjectRecord">
 						<int key="objectID">4</int>
 						<reference key="object" ref="987256611"/>
-						<reference key="parent" ref="957960031"/>
+						<reference key="parent" ref="0"/>
 						<string key="objectName">ReachabilityAppDelegate</string>
 					</object>
 					<object class="IBObjectRecord">
@@ -157,13 +171,19 @@
 						<reference key="object" ref="1041619883"/>
 						<reference key="parent" ref="388289409"/>
 					</object>
+					<object class="IBObjectRecord">
+						<int key="objectID">-2</int>
+						<reference key="object" ref="1071500409"/>
+						<reference key="parent" ref="0"/>
+					</object>
 				</object>
 			</object>
 			<object class="NSMutableDictionary" key="flattenedProperties">
 				<bool key="EncodedWithXMLCoder">YES</bool>
-				<object class="NSMutableArray" key="dict.sortedKeys">
+				<object class="NSArray" key="dict.sortedKeys">
 					<bool key="EncodedWithXMLCoder">YES</bool>
 					<string>-1.CustomClassName</string>
+					<string>-2.CustomClassName</string>
 					<string>2.IBAttributePlaceholdersKey</string>
 					<string>2.IBEditorWindowLastContentRect</string>
 					<string>2.IBPluginDependency</string>
@@ -176,16 +196,15 @@
 				<object class="NSMutableArray" key="dict.values">
 					<bool key="EncodedWithXMLCoder">YES</bool>
 					<string>UIApplication</string>
+					<string>UIResponder</string>
 					<object class="NSMutableDictionary">
 						<bool key="EncodedWithXMLCoder">YES</bool>
-						<object class="NSArray" key="dict.sortedKeys">
-							<bool key="EncodedWithXMLCoder">YES</bool>
-						</object>
+						<reference key="dict.sortedKeys" ref="0"/>
 						<object class="NSMutableArray" key="dict.values">
 							<bool key="EncodedWithXMLCoder">YES</bool>
 						</object>
 					</object>
-					<string>{{536, 365}, {320, 480}}</string>
+					<string>{{363, 365}, {320, 480}}</string>
 					<string>com.apple.InterfaceBuilder.IBCocoaTouchPlugin</string>
 					<integer value="1"/>
 					<string>ReachabilityAppDelegate</string>
@@ -196,9 +215,7 @@
 			</object>
 			<object class="NSMutableDictionary" key="unlocalizedProperties">
 				<bool key="EncodedWithXMLCoder">YES</bool>
-				<object class="NSArray" key="dict.sortedKeys">
-					<bool key="EncodedWithXMLCoder">YES</bool>
-				</object>
+				<reference key="dict.sortedKeys" ref="0"/>
 				<object class="NSMutableArray" key="dict.values">
 					<bool key="EncodedWithXMLCoder">YES</bool>
 				</object>
@@ -206,9 +223,7 @@
 			<nil key="activeLocalization"/>
 			<object class="NSMutableDictionary" key="localizations">
 				<bool key="EncodedWithXMLCoder">YES</bool>
-				<object class="NSArray" key="dict.sortedKeys">
-					<bool key="EncodedWithXMLCoder">YES</bool>
-				</object>
+				<reference key="dict.sortedKeys" ref="0"/>
 				<object class="NSMutableArray" key="dict.values">
 					<bool key="EncodedWithXMLCoder">YES</bool>
 				</object>
@@ -224,7 +239,7 @@
 					<string key="superclassName">NSObject</string>
 					<object class="NSMutableDictionary" key="outlets">
 						<bool key="EncodedWithXMLCoder">YES</bool>
-						<object class="NSMutableArray" key="dict.sortedKeys">
+						<object class="NSArray" key="dict.sortedKeys">
 							<bool key="EncodedWithXMLCoder">YES</bool>
 							<string>contentView</string>
 							<string>summaryLabel</string>
@@ -245,7 +260,17 @@
 			</object>
 		</object>
 		<int key="IBDocument.localizationMode">0</int>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.iPhoneOS</string>
+			<integer value="512" key="NS.object.0"/>
+		</object>
+		<object class="NSMutableDictionary" key="IBDocument.PluginDeclaredDevelopmentDependencies">
+			<string key="NS.key.0">com.apple.InterfaceBuilder.CocoaTouchPlugin.InterfaceBuilder3</string>
+			<integer value="3000" key="NS.object.0"/>
+		</object>
+		<bool key="IBDocument.PluginDeclaredDependenciesTrackSystemTargetVersion">YES</bool>
 		<string key="IBDocument.LastKnownRelativeProjectPath">Reachability.xcodeproj</string>
 		<int key="IBDocument.defaultPropertyAccessControl">3</int>
+		<string key="IBCocoaTouchPluginVersion">3.1</string>
 	</data>
 </archive>

reachability/MainWindow.xib.designer.cs

@@ -0,0 +1,49 @@
+// ------------------------------------------------------------------------------
+//  <autogenerated>
+//      This code was generated by a tool.
+//      Mono Runtime Version: 2.0.50727.1433
+// 
+//      Changes to this file may cause incorrect behavior and will be lost if 
+//      the code is regenerated.
+//  </autogenerated>
+// ------------------------------------------------------------------------------
+
+namespace reachability {
+	
+	
+	// Base type probably should be MonoTouch.Foundation.NSObject or subclass
+	[MonoTouch.Foundation.Register("ReachabilityAppDelegate")]
+	public partial class ReachabilityAppDelegate {
+		
+		#pragma warning disable 0169
+		[MonoTouch.Foundation.Connect("window")]
+		private MonoTouch.UIKit.UIWindow window {
+			get {
+				return ((MonoTouch.UIKit.UIWindow)(this.GetNativeField("window")));
+			}
+			set {
+				this.SetNativeField("window", value);
+			}
+		}
+		
+		[MonoTouch.Foundation.Connect("contentView")]
+		private MonoTouch.UIKit.UIView contentView {
+			get {
+				return ((MonoTouch.UIKit.UIView)(this.GetNativeField("contentView")));
+			}
+			set {
+				this.SetNativeField("contentView", value);
+			}
+		}
+		
+		[MonoTouch.Foundation.Connect("summaryLabel")]
+		private MonoTouch.UIKit.UILabel summaryLabel {
+			get {
+				return ((MonoTouch.UIKit.UILabel)(this.GetNativeField("summaryLabel")));
+			}
+			set {
+				this.SetNativeField("summaryLabel", value);
+			}
+		}
+	}
+}

reachability/main.cs

@@ -1,150 +1,183 @@
 using System;
 using System.Drawing;
+using System.Net;
 using MonoTouch.CoreGraphics;
 using MonoTouch.Foundation;
 using MonoTouch.UIKit;
 using MonoTouch.SystemConfiguration;
 using MonoTouch.CoreFoundation;
 
-public partial class ReachabilityAppDelegate : UIApplicationDelegate {
-	public string Hostname = "www.apple.com";
-	UIImage imageCarrier, imageWiFi, imageStop;
-	NetworkReachability nr;
-	UITableView tableView;
-	
-	public override bool FinishedLaunching (UIApplication app, NSDictionary options)
-	{
-		imageCarrier = UIImage.FromFile ("WWAN5.png");
-		imageWiFi = UIImage.FromFile ("Airport.png");
-		imageStop = UIImage.FromFile ("stop-32.png");
-
-		nr = new NetworkReachability ("www.apple.com");
-		nr.SetCallback (ReachabilityChanged);
-		nr.Schedule (CFRunLoop.Current, CFRunLoop.ModeDefault);
-			
-		AddTable ();
-		//UpdateStatus ();
-		//UpdateCarrierWarning ();
-
-		window.MakeKeyAndVisible ();
-
-		return true;
-	}
-
-	//
-	// Invoked on the main loop when reachability changes
-	//
-	void ReachabilityChanged (NetworkReachabilityFlags flags)
-	{
-	}
-	
-	void AddTable ()
-	{
-		RectangleF tableFrame = UIScreen.MainScreen.ApplicationFrame;
+namespace reachability {
+	public partial class ReachabilityAppDelegate : UIApplicationDelegate {
+	    UITableView tableView;
+		NetworkStatus remoteHostStatus, internetStatus, localWifiStatus;
 		
-		tableView = new UITableView (tableFrame, UITableViewStyle.Grouped) {
-			AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight,
-			RowHeight = 44.0f,
-			SeparatorStyle = UITableViewCellSeparatorStyle.None,
-			SectionHeaderHeight = 28.0f,
-			ScrollEnabled = false,
-			Delegate = new TableViewDelegate (),
-			DataSource = new DataSource (this)
-		};
-					
-		contentView.InsertSubviewBelow (tableView, summaryLabel);
-		contentView.BringSubviewToFront (summaryLabel);
-		tableView.ReloadData ();
+	    public override bool FinishedLaunching (UIApplication app, NSDictionary options)
+	    {	
+	        AddTable ();
+	        UpdateStatus ();
+	        //UpdateCarrierWarning ();
+	
+	        window.MakeKeyAndVisible ();
+	
+	        return true;
+	    }
+	
+	    //
+	    // Invoked on the main loop when reachability changes
+	    //
+	    void ReachabilityChanged (NetworkReachabilityFlags flags)
+	    {
+			UpdateStatus ();
+	    }
+				
+	    void UpdateStatus ()
+	    {
+			remoteHostStatus = Reachability.RemoteHostStatus ();
+			internetStatus = Reachability.InternetConnectionStatus ();
+			localWifiStatus = Reachability.LocalWifiConnectionStatus ();
+	    }
+	
+	    
+	    void AddTable ()
+	    {
+	            RectangleF tableFrame = UIScreen.MainScreen.ApplicationFrame;
+	            
+	            tableView = new UITableView (tableFrame, UITableViewStyle.Grouped) {
+	                    AutoresizingMask = UIViewAutoresizing.FlexibleWidth | UIViewAutoresizing.FlexibleHeight,
+	                    RowHeight = 44.0f,
+	                    SeparatorStyle = UITableViewCellSeparatorStyle.None,
+	                    SectionHeaderHeight = 28.0f,
+	                    ScrollEnabled = false,
+				
+						Source = new DataSource (this),
+	            };
+	                                    
+	            contentView.InsertSubviewBelow (tableView, summaryLabel);
+	            contentView.BringSubviewToFront (summaryLabel);
+	            tableView.ReloadData ();
+	    }
+    
+	    public override void OnActivated (UIApplication application)
+	    {
+			Console.WriteLine ("OnActivated");
+	    }
+	
+	    class DataSource : UITableViewSource {
+	        ReachabilityAppDelegate parent;
+        	    UIImage imageCarrier, imageWiFi, imageStop;
+
+			public DataSource (ReachabilityAppDelegate parent)
+	        {
+		        imageCarrier = UIImage.FromFile ("WWAN5.png");
+		        imageWiFi = UIImage.FromFile ("Airport.png");
+		        imageStop = UIImage.FromFile ("stop-32.png");
+
+                this.parent = parent;
+	        }
+	
+	        public override NSIndexPath WillSelectRow (UITableView view, NSIndexPath index)
+	        {
+	                return null;
+	        }
+			
+	        public override int RowsInSection (UITableView view, int section)
+	        {
+	                return 1;
+	        }
+	
+	        public override int NumberOfSections (UITableView view)
+	        {
+	                return 3;
+	        }
+	
+	        public override string TitleForHeader (UITableView view, int section)
+	        {
+	            switch (section){
+	            case 0:
+	            		return Reachability.HostName;
+	            case 1:
+	                return "Access to internet hosts";
+	            case 2:
+	                return "Access to Local Bonjour Hosts";
+	            default:
+	                return "Unknown";
+	            }
+	        }
+	
+	        static NSString ReachabilityTableCellIdentifier = new NSString ("ReachabilityTableCell");
+	        
+	        public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
+			{
+				var cell = tableView.DequeueReusableCell (ReachabilityTableCellIdentifier);
+	            if (cell == null) {
+	                    cell =  new UITableViewCell (UITableViewCellStyle.Default, ReachabilityTableCellIdentifier);
+	                    var label = cell.TextLabel;
+	                    label.Font = UIFont.SystemFontOfSize (12f);
+	                    label.TextColor = UIColor.DarkGray;
+	                    label.TextAlignment = UITextAlignment.Left;
+	            }
+	            
+	            var row = indexPath.Row;
+				string text = "";
+				UIImage image = null;
+	            switch (indexPath.Section){
+	            case 0:
+	                	    switch (parent.remoteHostStatus){
+						case NetworkStatus.NotReachable:
+							text = "Cannot connect to remote host";
+							image = imageStop;
+							break;
+						case NetworkStatus.ReachableViaCarrierDataNetwork:
+							text = "Reachable via data carrier network";
+							image = imageCarrier;
+							break;
+						case NetworkStatus.ReachableViaWiFiNetwork:
+							text = "Reachable via WiFi network";
+							image = imageWiFi;
+							break;
+						}
+	                    break;
+	            case 1:
+	                	    switch (parent.internetStatus){
+						case NetworkStatus.NotReachable:
+							text = "Access not available";
+							image = imageStop;
+							break;
+						case NetworkStatus.ReachableViaCarrierDataNetwork:
+							text = "Avaialble via data carrier network";
+							image = imageCarrier;
+							break;
+						case NetworkStatus.ReachableViaWiFiNetwork:
+							text = "Available via WiFi network";
+							image = imageWiFi;
+							break;
+						}
+	                    break;
+	            case 2: 
+	                	    switch (parent.localWifiStatus){
+						case NetworkStatus.NotReachable:
+							text = "Access not available";
+							image = imageStop;
+							break;
+						case NetworkStatus.ReachableViaWiFiNetwork:
+							text = "Available via WiFi network";
+							image = imageWiFi;
+							break;
+						}
+	                    break;
+	            }
+	            cell.TextLabel.Text = text;
+				cell.ImageView.Image = image;
+	            return cell;
+	        }
+	    }
 	}
 	
-	void ReachabilitChanged (NSNotification note)
-	{
-		Console.WriteLine ("reachability changed");
-	}
-
-	void UpdateStatus ()
-	{
-	}
-	
-	public override void OnActivated (UIApplication application)
-	{
-		Console.WriteLine ("OnActivated");
-	}
-
-	class TableViewDelegate : UITableViewDelegate {
-		public override NSIndexPath WillSelectRow (UITableView view, NSIndexPath index)
-		{
-			return null;
-		}
-	}
-
-	class DataSource : UITableViewDataSource {
-		ReachabilityAppDelegate parent;
-		
-		public DataSource (ReachabilityAppDelegate parent)
-		{
-			this.parent = parent;
-		}
-
-		public override int RowsInSection (UITableView view, int section)
-		{
-			return 1;
-		}
-
-		public override int NumberOfSections (UITableView view)
-		{
-			return 3;
-		}
-
-		public override string TitleForHeader (UITableView view, int section)
-		{
-			switch (section){
-			case 0:
-				return parent.Hostname;
-			case 1:
-				return "Access to internet hosts";
-			case 2:
-				return "Access to Local Bonjour Hosts";
-			default:
-				return "Unknown";
-			}
-		}
-
-		static NSString ReachabilityTableCellIdentifier = new NSString ("ReachabilityTableCell");
-		
-		public override UITableViewCell GetCell (UITableView tableView, NSIndexPath indexPath)
-		{
-			var cell = tableView.DequeueReusableCell (ReachabilityTableCellIdentifier);
-			if (cell == null) {
-				cell =  new UITableViewCell (UITableViewCellStyle.Default, ReachabilityTableCellIdentifier);
-				var label = cell.TextLabel;
-				label.Font = UIFont.SystemFontOfSize (12f);
-				label.TextColor = UIColor.DarkGray;
-				label.TextAlignment = UITextAlignment.Left;
-			}
-			
-			var row = indexPath.Row;
-			switch (indexPath.Section){
-			case 0:
-				cell.TextLabel.Text = "First";
-				break;
-			case 1:
-				cell.TextLabel.Text = "First";
-				break;
-			case 2:	
-				cell.TextLabel.Text = "First";
-				break;
-			}
-			
-			return cell;
-		}
+	class Demo {
+	        static void Main (string [] args)
+	        {
+	                UIApplication.Main (args, null, null);
+	        }               
 	}
 }
-
-class Demo {
-	static void Main (string [] args)
-	{
-		UIApplication.Main (args, null, null);
-	}		
-}
-

reachability/reachability.cs

@@ -1,11 +1,20 @@
 using System;
+using System.Net;
 using MonoTouch.Foundation;
 using MonoTouch.UIKit;
 using MonoTouch.SystemConfiguration;
+using MonoTouch.CoreFoundation;
 
-public class Reachability {
-
-	public bool IsReachableWithoutRequiringConnection (NetworkReachabilityFlags flags)
+public enum NetworkStatus {
+	NotReachable,
+	ReachableViaCarrierDataNetwork,
+	ReachableViaWiFiNetwork
+}
+	    
+public static class Reachability {
+	public static string HostName = "www.google.com";
+	
+	public static bool IsReachableWithoutRequiringConnection (NetworkReachabilityFlags flags)
 	{
 		// Is it reachable with the current network configuration?
 		bool isReachable = (flags & NetworkReachabilityFlags.Reachable) != 0;
@@ -22,7 +31,7 @@ public class Reachability {
 	}
 
 	// Is the host reachable with the current network configuration
-	public bool IsHostReachable (string host)
+	public static bool IsHostReachable (string host)
 	{
 		if (host == null || host.Length == 0)
 			return false;
@@ -37,10 +46,94 @@ public class Reachability {
 		return false;
 	}
 
-	// Is 169.254.0.0 reachable (ad-hoc wifi
-	// TODO: need to implement socket address probing
-	
 	// 
+	// Raised every time there is an interesting reachable event, 
+	// we do not even pass the info as to what changed, and 
+	// we lump all three status we probe into one
+	//
+	public static event EventHandler ReachabilityChanged;
 	
+	static void OnChange (NetworkReachabilityFlags flags)
+	{
+		var h = ReachabilityChanged;
+		if (h != null)
+			h (null, EventArgs.Empty);
+	}
+	
+	//
+	// Returns true if it is possible to reach the AdHoc WiFi network
+	// and optionally provides extra network reachability flags as the
+	// out parameter
+	//
+	static NetworkReachability adHocWiFiNetworkReachability;
+	public static bool IsAdHocWiFiNetworkAvailable (out NetworkReachabilityFlags flags)
+	{
+		if (adHocWiFiNetworkReachability == null){
+			adHocWiFiNetworkReachability = new NetworkReachability (new IPAddress (new byte [] {169,254,0,0}));
+			adHocWiFiNetworkReachability.SetCallback (OnChange);
+			adHocWiFiNetworkReachability.Schedule (CFRunLoop.Current, CFRunLoop.ModeDefault);
+		}
+		
+		if (!adHocWiFiNetworkReachability.TryGetFlags (out flags))
+			return false;
+		
+		return IsReachableWithoutRequiringConnection (flags);
+	}
+	
+	static NetworkReachability defaultRouteReachability;
+	static bool IsNetworkAvaialable (out NetworkReachabilityFlags flags)
+	{
+		if (defaultRouteReachability == null){
+			defaultRouteReachability = new NetworkReachability (new IPAddress (0));
+			defaultRouteReachability.SetCallback (OnChange);
+			defaultRouteReachability.Schedule (CFRunLoop.Current, CFRunLoop.ModeDefault);
+		}
+		if (defaultRouteReachability.TryGetFlags (out flags))
+		    return false;
+		return IsReachableWithoutRequiringConnection (flags);
+	}	
+	
+	static NetworkReachability remoteHostReachability;
+	public static NetworkStatus RemoteHostStatus ()
+	{
+		if (remoteHostReachability == null){
+			remoteHostReachability = new NetworkReachability (HostName);
+			remoteHostReachability.SetCallback (OnChange);
+			remoteHostReachability.Schedule (CFRunLoop.Current, CFRunLoop.ModeDefault);
+		}
+		NetworkReachabilityFlags flags;
+		if (!remoteHostReachability.TryGetFlags (out flags))
+			return NetworkStatus.NotReachable;
+		
+		if (!IsReachableWithoutRequiringConnection (flags))
+			return NetworkStatus.NotReachable;
+		
+		if ((flags & NetworkReachabilityFlags.IsWWAN) != 0)
+			return NetworkStatus.ReachableViaCarrierDataNetwork;
+				
+		return NetworkStatus.ReachableViaWiFiNetwork;
+	}
+	
+	public static NetworkStatus InternetConnectionStatus ()
+	{
+		NetworkReachabilityFlags flags;
+		bool defaultNetworkAvailable = IsNetworkAvaialable (out flags);
+		if (defaultNetworkAvailable){
+			if ((flags & NetworkReachabilityFlags.IsDirect) != 0)
+				return NetworkStatus.NotReachable;
+		} else if ((flags & NetworkReachabilityFlags.IsWWAN) != 0)
+			return NetworkStatus.ReachableViaCarrierDataNetwork;
+		return NetworkStatus.ReachableViaWiFiNetwork;
+	}
+	
+	public static NetworkStatus LocalWifiConnectionStatus ()
+	{
+		NetworkReachabilityFlags flags;
+		if (IsAdHocWiFiNetworkAvailable (out flags)){
+			if ((flags & NetworkReachabilityFlags.IsDirect) != 0)
+				return NetworkStatus.ReachableViaWiFiNetwork;
+		}
+		return NetworkStatus.NotReachable;
+	}
 }
 

reachability/reachability.csproj

@@ -0,0 +1,92 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="3.5" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <PropertyGroup>
+    <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
+    <Platform Condition=" '$(Platform)' == '' ">iPhoneSimulator</Platform>
+    <ProductVersion>9.0.21022</ProductVersion>
+    <SchemaVersion>2.0</SchemaVersion>
+    <ProjectGuid>{E1356D0A-1572-4157-BD97-05F0B9DA832E}</ProjectGuid>
+    <ProjectTypeGuids>{E613F3A2-FE9C-494F-B74E-F63BCB86FEA6};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
+    <OutputType>Exe</OutputType>
+    <RootNamespace>reachability</RootNamespace>
+    <MainNibFile>MainWindow.xib</MainNibFile>
+    <AssemblyName>reachability</AssemblyName>
+    <MtouchSdkVersion>3.0</MtouchSdkVersion>
+    <TargetFrameworkVersion>v3.5</TargetFrameworkVersion>
+    <BundleIcon>icon.png</BundleIcon>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhoneSimulator' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+    <MtouchLink>None</MtouchLink>
+    <MtouchDebug>True</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhoneSimulator' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhoneSimulator\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+    <MtouchLink>None</MtouchLink>
+    <MtouchDebug>False</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|iPhone' ">
+    <DebugSymbols>true</DebugSymbols>
+    <DebugType>full</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Debug</OutputPath>
+    <DefineConstants>DEBUG</DefineConstants>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchDebug>True</MtouchDebug>
+  </PropertyGroup>
+  <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|iPhone' ">
+    <DebugType>none</DebugType>
+    <Optimize>false</Optimize>
+    <OutputPath>bin\iPhone\Release</OutputPath>
+    <ErrorReport>prompt</ErrorReport>
+    <WarningLevel>4</WarningLevel>
+    <PlatformTarget>x86</PlatformTarget>
+    <CodesignKey>iPhone Developer</CodesignKey>
+    <MtouchDebug>False</MtouchDebug>
+  </PropertyGroup>
+  <ItemGroup>
+    <Reference Include="System" />
+    <Reference Include="System.Xml" />
+    <Reference Include="System.Core" />
+    <Reference Include="monotouch" />
+  </ItemGroup>
+  <ItemGroup>
+    <Compile Include="MainWindow.xib.designer.cs">
+      <DependentUpon>MainWindow.xib</DependentUpon>
+    </Compile>
+    <Compile Include="Main.cs" />
+    <Compile Include="reachability.cs" />
+  </ItemGroup>
+  <ItemGroup>
+    <Page Include="MainWindow.xib" />
+  </ItemGroup>
+  <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
+  <ProjectExtensions>
+    <MonoDevelop>
+      <Properties InternalTargetFrameworkVersion="IPhone" />
+    </MonoDevelop>
+  </ProjectExtensions>
+  <ItemGroup>
+    <Content Include="Network.png" />
+    <Content Include="Airport.png" />
+    <Content Include="stop-32.png" />
+    <Content Include="WWAN5.png" />
+    <Content Include="icon.png" />
+    <Content Include="Default.png" />
+  </ItemGroup>
+</Project>

reachability/reachability.sln

@@ -0,0 +1,26 @@
+
+Microsoft Visual Studio Solution File, Format Version 10.00
+# Visual Studio 2008
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "reachability", "reachability.csproj", "{E1356D0A-1572-4157-BD97-05F0B9DA832E}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|iPhoneSimulator = Debug|iPhoneSimulator
+		Release|iPhoneSimulator = Release|iPhoneSimulator
+		Debug|iPhone = Debug|iPhone
+		Release|iPhone = Release|iPhone
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Debug|iPhone.ActiveCfg = Debug|iPhone
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Debug|iPhone.Build.0 = Debug|iPhone
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Debug|iPhoneSimulator.ActiveCfg = Debug|iPhoneSimulator
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Debug|iPhoneSimulator.Build.0 = Debug|iPhoneSimulator
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Release|iPhone.ActiveCfg = Release|iPhone
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Release|iPhone.Build.0 = Release|iPhone
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Release|iPhoneSimulator.ActiveCfg = Release|iPhoneSimulator
+		{E1356D0A-1572-4157-BD97-05F0B9DA832E}.Release|iPhoneSimulator.Build.0 = Release|iPhoneSimulator
+	EndGlobalSection
+	GlobalSection(MonoDevelopProperties) = preSolution
+		StartupItem = reachability.csproj
+	EndGlobalSection
+EndGlobal