1 files changed, 2 insertions, 1 deletions
diff --git a/java/src/com/android/inputmethod/latin/ResearchLogger.java b/java/src/com/android/inputmethod/latin/ResearchLogger.java
index 0694ffe77..570333cb7 100644
--- a/java/src/com/android/inputmethod/latin/ResearchLogger.java
+++ b/java/src/com/android/inputmethod/latin/ResearchLogger.java
@@ -113,6 +113,7 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
 
             close();
             mFile = new File(directory, filename);
+            mFile.setReadable(false, false);
             boolean append = true;
             if (mFile.exists() && mFile.lastModified() + LOGFILE_PURGE_INTERVAL <
                     System.currentTimeMillis()) {
@@ -178,8 +179,8 @@ public class ResearchLogger implements SharedPreferences.OnSharedPreferenceChang
         }
         if (prefs != null) {
             sIsLogging = prefs.getBoolean(PREF_USABILITY_STUDY_MODE, false);
+            prefs.registerOnSharedPreferenceChangeListener(this);
         }
-        prefs.registerOnSharedPreferenceChangeListener(this);
     }
 
     /**