add help screen

src/org/envaya/kalsms/Help.java

@@ -0,0 +1,49 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package org.envaya.kalsms;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.text.Html;
+import android.view.Menu;
+import android.widget.TextView;
+
+/**
+ *
+ * @author Jesse
+ */
+public class Help extends Activity {
+
+    /** Called when the activity is first created. */
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        
+        setContentView(R.layout.help);
+        
+        TextView help = (TextView) this.findViewById(R.id.help);
+        
+        String html = "<b>KalSMS</b> is a SMS gateway.<br /><br /> "
+            + "It forwards all incoming SMS messages received by this phone to a server on the internet, "
+            + "and also sends outgoing SMS messages from that server to other phones.<br /><br />"
+            + "(See https://github.com/youngj/KalSMS/wiki "
+            + "for information about setting up a server.)<br /><br />"
+            + "The Settings screen allows you configure KalSMS to work with a particular server, "
+            + "by entering the server URL, your phone number, "
+            + "and the password assigned to your phone on the server.<br /><br />"
+            + "Menu icons cc/by www.androidicons.com<br /><br />";
+        
+        help.setText(Html.fromHtml(html));                        
+        
+    }
+    
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        startActivity(new Intent(this, Main.class));
+        
+        return(true);
+    }    
+}

src/org/envaya/kalsms/Main.java

@@ -138,6 +138,9 @@ public class Main extends Activity {
         case R.id.check_now:
             app.checkOutgoingMessages();
             return true;
+        case R.id.help:
+            startActivity(new Intent(this, Help.class));
+            return true;
         case R.id.test: 
             app.log("Testing server connection...");
             new TestTask().execute(