Network Reachability

src/com/phonegap/demo/DroidGap.java

@@ -47,6 +47,7 @@ public class DroidGap extends Activity {
 	private AccelListener accel;
 	private CameraLauncher launcher;
 	private FileUtils fs;
+	private NetworkManager netMan;
 	
     /** Called when the activity is first created. */
 	@Override
@@ -100,6 +101,7 @@ public class DroidGap extends Activity {
     	accel = new AccelListener(this, appView);
     	launcher = new CameraLauncher(appView, this);
     	fs = new FileUtils(appView);
+    	netMan = new NetworkManager(this, appView);
     	
     	// This creates the new javascript interfaces for PhoneGap
     	appView.addJavascriptInterface(gap, "DroidGap");
@@ -107,6 +109,7 @@ public class DroidGap extends Activity {
     	appView.addJavascriptInterface(accel, "Accel");
     	appView.addJavascriptInterface(launcher, "GapCam");
     	appView.addJavascriptInterface(fs, "FileUtil");
+    	appView.addJavascriptInterface(netMan, "NetworkManager");
     }
         
     /**

src/com/phonegap/demo/NetworkManager.java

@@ -0,0 +1,41 @@
+package com.phonegap.demo;
+
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+
+import android.content.Context;
+import android.net.*;
+import android.webkit.WebView;
+
+public class NetworkManager {
+
+	Context mCtx;
+	WebView mView;
+	ConnectivityManager sockMan;
+	
+	NetworkManager(Context ctx, WebView view)
+	{
+		mCtx = ctx;
+		mView = view;
+		sockMan = (ConnectivityManager) mCtx.getSystemService(Context.CONNECTIVITY_SERVICE);
+	}
+	
+	public boolean isAvailable()
+	{
+		NetworkInfo info = sockMan.getActiveNetworkInfo();
+		return info.isConnected();
+	}
+	
+	public boolean isReachable(String uri)
+	{		
+		boolean reached = true;
+		try {
+			DefaultHttpClient httpclient = new DefaultHttpClient();
+			HttpGet httpget = new HttpGet(uri);
+			httpclient.execute(httpget);			
+		} catch (Exception e) { reached = false;}
+		return reached;
+	}
+	
+	
+}