Help and About pages

app/src/main/java/i2p/bote/android/HelpAboutFragment.java

@@ -0,0 +1,56 @@
+package i2p.bote.android;
+
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import org.sufficientlysecure.htmltextview.HtmlTextView;
+
+
+public class HelpAboutFragment extends Fragment {
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_help_about, container, false);
+
+        TextView versionText = (TextView) view.findViewById(R.id.help_about_version);
+        versionText.setText(getString(R.string.help_about_version) + " " + getVersion());
+
+        HtmlTextView aboutTextView = (HtmlTextView) view.findViewById(R.id.help_about_text);
+
+        // load html from raw resource (Parsing handled by HtmlTextView library)
+        aboutTextView.setHtmlFromRawResource(getActivity(), R.raw.help_about, true);
+
+        // no flickering when clicking textview for Android < 4
+        aboutTextView.setTextColor(getResources().getColor(android.R.color.black));
+
+        return view;
+    }
+
+    /**
+     * Get the current package version.
+     *
+     * @return The current version.
+     */
+    private String getVersion() {
+        String result = "";
+        try {
+            PackageManager manager = getActivity().getPackageManager();
+            PackageInfo info = manager.getPackageInfo(getActivity().getPackageName(), 0);
+
+            result = String.format("%s (%s)", info.versionName, info.versionCode);
+        } catch (NameNotFoundException e) {
+            Log.w(Constants.ANDROID_LOG_TAG, "Unable to get application version: " + e.getMessage());
+            result = "Unable to get application version.";
+        }
+
+        return result;
+    }
+}