android: extract LOAbout from LibreOfficeMainActivity

Change-Id: Ied6a9a64041de94766b307c7ca64eba7edeab64c

android/experimental/LOAndroid3/src/java/org/libreoffice/LOAbout.java

+package org.libreoffice;
+
+import android.app.Activity;
+import android.app.AlertDialog;
+import android.content.DialogInterface;
+import android.os.Bundle;
+import android.os.Handler;
+import android.support.v4.widget.DrawerLayout;
+import android.util.DisplayMetrics;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ListView;
+import android.widget.RelativeLayout;
+import android.widget.TextView;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public abstract class LOAbout extends Activity {
+
+    private static final String DEFAULT_DOC_PATH = "/assets/example.odt";
+
+    protected void showAbout() {
+        // Inflate the about message contents
+        View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
+
+        // When linking text, force to always use default color. This works
+        // around a pressed color state bug.
+        TextView textView = (TextView) messageView.findViewById(R.id.about_credits);
+        int defaultColor = textView.getTextColors().getDefaultColor();
+        textView.setTextColor(defaultColor);
+
+        AlertDialog.Builder builder = new AlertDialog.Builder(this);
+        builder.setIcon(R.drawable.lo_icon);
+        builder.setTitle(R.string.app_name);
+        builder.setView(messageView);
+
+        builder.setNegativeButton(R.string.about_license, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                LOKitShell.sendEvent(LOEventFactory.close());
+                LOKitShell.sendEvent(LOEventFactory.load("/assets/license.txt"));
+                dialog.dismiss();
+            }
+        });
+
+        builder.setPositiveButton(R.string.about_notice, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                LOKitShell.sendEvent(LOEventFactory.close());
+                LOKitShell.sendEvent(LOEventFactory.load("/assets/notice.txt"));
+                dialog.dismiss();
+            }
+        });
+
+        builder.setNeutralButton(R.string.about_moreinfo, new DialogInterface.OnClickListener() {
+            @Override
+            public void onClick(DialogInterface dialog, int id) {
+                LOKitShell.sendEvent(LOEventFactory.close());
+                LOKitShell.sendEvent(LOEventFactory.load(DEFAULT_DOC_PATH));
+                dialog.dismiss();
+            }
+        });
+
+        AlertDialog dialog = builder.create();
+        dialog.show();
+    }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */

android/experimental/LOAndroid3/src/java/org/libreoffice/LibreOfficeMainActivity.java

@@ -24,7 +24,7 @@ import org.mozilla.gecko.gfx.LayerView;
 import java.util.ArrayList;
 import java.util.List;
 
-public class LibreOfficeMainActivity extends Activity {
+public class LibreOfficeMainActivity extends LOAbout {
 
     private static final String LOGTAG = "LibreOfficeMainActivity";
     private static final String DEFAULT_DOC_PATH = "/assets/example.odt";
@@ -185,52 +185,6 @@ public class LibreOfficeMainActivity extends Activity {
         return mDocumentPartViewListAdapter;
     }
 
-    private void showAbout() {
-        // Inflate the about message contents
-        View messageView = getLayoutInflater().inflate(R.layout.about, null, false);
-
-        // When linking text, force to always use default color. This works
-        // around a pressed color state bug.
-        TextView textView = (TextView) messageView.findViewById(R.id.about_credits);
-        int defaultColor = textView.getTextColors().getDefaultColor();
-        textView.setTextColor(defaultColor);
-
-        AlertDialog.Builder builder = new AlertDialog.Builder(this);
-        builder.setIcon(R.drawable.lo_icon);
-        builder.setTitle(R.string.app_name);
-        builder.setView(messageView);
-
-        builder.setNegativeButton(R.string.about_license, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int id) {
-                LOKitShell.sendEvent(LOEventFactory.close());
-                LOKitShell.sendEvent(LOEventFactory.load("/assets/license.txt"));
-                dialog.dismiss();
-            }
-        });
-
-        builder.setPositiveButton(R.string.about_notice, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int id) {
-                LOKitShell.sendEvent(LOEventFactory.close());
-                LOKitShell.sendEvent(LOEventFactory.load("/assets/notice.txt"));
-                dialog.dismiss();
-            }
-        });
-
-        builder.setNeutralButton(R.string.about_moreinfo, new DialogInterface.OnClickListener() {
-            @Override
-            public void onClick(DialogInterface dialog, int id) {
-                LOKitShell.sendEvent(LOEventFactory.close());
-                LOKitShell.sendEvent(LOEventFactory.load(DEFAULT_DOC_PATH));
-                dialog.dismiss();
-            }
-        });
-
-        AlertDialog dialog = builder.create();
-        dialog.show();
-    }
-
     public void showProgressSpinner() {
         findViewById(R.id.loadingPanel).setVisibility(View.VISIBLE);
     }