From ff1a5aed1c78fe70f71353809506af0af53907c9 Mon Sep 17 00:00:00 2001
From: YuviPanda <yuvipanda@gmail.com>
Date: Sat, 30 Mar 2013 04:27:14 +0530
Subject: [PATCH] Do not show all categories when filter is empty

---
 .../java/org/wikimedia/commons/CategorizationFragment.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/commons/src/main/java/org/wikimedia/commons/CategorizationFragment.java b/commons/src/main/java/org/wikimedia/commons/CategorizationFragment.java
index d0ce654d5..edfd19d2d 100644
--- a/commons/src/main/java/org/wikimedia/commons/CategorizationFragment.java
+++ b/commons/src/main/java/org/wikimedia/commons/CategorizationFragment.java
@@ -7,6 +7,7 @@ import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.text.Editable;
+import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.view.*;
 import android.view.MenuInflater;
@@ -109,6 +110,9 @@ public class CategorizationFragment extends SherlockFragment{
 
         @Override
         protected ArrayList<String> doInBackground(Void... voids) {
+            if(TextUtils.isEmpty(filter)) {
+                return new ArrayList<String>();
+            }
             if(categoriesCache.containsKey(filter)) {
                 return categoriesCache.get(filter);
             }