From a499f2e9724fa70992dbd04a9a9072cb2733ea01 Mon Sep 17 00:00:00 2001
From: Sergey Eremin <yeriomin@gmail.com>
Date: Sat, 4 Nov 2017 01:51:03 +0300
Subject: [PATCH] An unlikely NPE fixed

---
 .../java/com/github/yeriomin/yalpstore/SearchActivity.java    | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/app/src/main/java/com/github/yeriomin/yalpstore/SearchActivity.java b/app/src/main/java/com/github/yeriomin/yalpstore/SearchActivity.java
index 9c4e930c8..ee109298e 100644
--- a/app/src/main/java/com/github/yeriomin/yalpstore/SearchActivity.java
+++ b/app/src/main/java/com/github/yeriomin/yalpstore/SearchActivity.java
@@ -4,6 +4,7 @@ import android.app.AlertDialog;
 import android.app.SearchManager;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.text.TextUtils;
 import android.util.Log;
 
 import com.github.yeriomin.yalpstore.model.App;
@@ -81,6 +82,9 @@ public class SearchActivity extends EndlessScrollActivity {
     }
 
     private boolean looksLikeAPackageId(String query) {
+        if (TextUtils.isEmpty(query)) {
+            return false;
+        }
         String pattern = "([\\p{L}_$][\\p{L}\\p{N}_$]*\\.)+[\\p{L}_$][\\p{L}\\p{N}_$]*";
         Pattern r = Pattern.compile(pattern);
         return r.matcher(query).matches();