-added version information on about fragment

src/de/tudarmstadt/informatik/hostage/ui2/fragment/AboutFragment.java

@@ -2,6 +2,8 @@ package de.tudarmstadt.informatik.hostage.ui2.fragment;
 
 import android.app.Activity;
 import android.app.Fragment;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.text.method.LinkMovementMethod;
 import android.view.LayoutInflater;
@@ -9,6 +11,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.widget.TextView;
 
+import de.tudarmstadt.informatik.hostage.Hostage;
 import de.tudarmstadt.informatik.hostage.R;
 
 /**
@@ -27,10 +30,22 @@ public class AboutFragment extends Fragment {
 		}
 
 		View rootView = inflater.inflate(R.layout.fragment_about, container, false);
-
-		TextView hostage = (TextView) rootView.findViewById(R.id.hostage);
+        PackageManager manager = Hostage.getContext().getPackageManager();
+        PackageInfo info = null;
+        try {
+            info = manager.getPackageInfo(Hostage.getContext().getPackageName(), 0);
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
+        String versionApp;
+        versionApp = info.versionName;
+
+        TextView hostage = (TextView) rootView.findViewById(R.id.hostage);
+        TextView version = (TextView) rootView.findViewById(R.id.hostageVersion);
+
+        version.setText("ver. "+versionApp);
 		hostage.setMovementMethod(LinkMovementMethod.getInstance());
-
+        version.setMovementMethod(LinkMovementMethod.getInstance());
 
 		return rootView;
 	}