mobile: moved about to settings activity

mobile/src/com/cradle/iitc_mobile/IITC_AboutDialogPreference.java

@@ -0,0 +1,46 @@
+package com.cradle.iitc_mobile;
+
+import android.app.AlertDialog.Builder;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
+import android.preference.DialogPreference;
+import android.text.Html;
+import android.text.method.LinkMovementMethod;
+import android.util.AttributeSet;
+import android.widget.TextView;
+
+public class IITC_AboutDialogPreference extends DialogPreference{
+
+    private Context context;
+
+    public IITC_AboutDialogPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.context = context;
+    }
+
+    /*
+     * start a little about-dialog
+     * srsly...I found no better way for clickable links in a TextView then
+     * using Html.fromHtml...Linkify ist just broken and does not understand
+     * html href tags...so let's tag the @string/about_msg with CDATA and
+     * use Html.fromHtml(...) for clickable hrefs with tags.
+     */
+    @Override
+    protected void onPrepareDialogBuilder(Builder builder) {
+        final TextView message = new TextView(context);
+        String about_msg = context.getText(R.string.pref_about_msg).toString();
+        message.setText(Html.fromHtml(about_msg));
+        message.setMovementMethod(LinkMovementMethod.getInstance());
+        builder.setView(message)
+               .setTitle(R.string.about)
+               .setIcon(R.drawable.ic_stat_about)
+               .setNeutralButton(R.string.close, new OnClickListener() {
+                   public void onClick(DialogInterface dialog, int id) {
+                       dialog.cancel();
+                   }
+               });
+        super.onPrepareDialogBuilder(builder);
+    }
+
+}