Add a fragment for about screen

Author: pulsation

res/layout/about.xml

@@ -21,7 +21,7 @@
       >
       <TextView 
         android:id = "@+id/about_details"
-        android:text = "Details"
+        android:text = "@+string/about_text"
         android:layout_width = "match_parent"
         android:layout_height = "wrap_content"
         android:layout_gravity="right"

src/eu/pulsation/ephedra/About/AboutFragment.scala

@@ -0,0 +1,30 @@
+package eu.pulsation.ephedra
+
+import android.app.Fragment
+import android.os.Bundle
+import android.view.View
+import android.util.Log
+import android.widget.{TextView, Button}
+import android.webkit.WebView
+import android.text.Html
+import android.text.method.LinkMovementMethod
+import android.net.Uri
+
+import android.content.Intent
+import android.view.{LayoutInflater, ViewGroup}
+
+import scala.util.matching.Regex
+
+class AboutFragment extends Fragment {
+
+  final private val TAG="eu.pulsation.ephedra.AboutFragment"
+  
+  // Needed to be converted in a Runnable called by runOnUiThread()
+  override def onCreateView(inflater: LayoutInflater, container: ViewGroup, savedInstanceState: Bundle):View = {
+    inflater.inflate(R.layout.about, container, false)
+  }
+
+  override def onCreate(savedInstanceState: Bundle) {
+    super.onCreate(savedInstanceState)
+  }
+}

src/eu/pulsation/ephedra/EphedraMainActivity.scala

@@ -97,20 +97,15 @@ class EphedraMainActivity extends Activity with Subscriber[RSSItemSelectedEvent,
   override def notify(pub: Publisher[RSSItemSelectedEvent], event: RSSItemSelectedEvent): Unit = {
 
     val rssItem = event.rssItem
-
-    // Replace list fragment by details fragment
-    val transaction: FragmentTransaction = this.getFragmentManager().beginTransaction()
-
     val args = new Bundle()
+
     args.putString("title", rssItem.title)
     args.putString("content", rssItem.content)
     args.putString("description", rssItem.description)
     args.putString("link", rssItem.link)
     alertDetailsFragment.setArguments(args)
-    transaction.replace(R.id.fragment_container, alertDetailsFragment)
-    transaction.addToBackStack(null)
 
-    transaction.commit()
+    switchToFragment(alertDetailsFragment)
 
     readRSSItems.add(rssItem)
   }