Guard check

codec2talkie/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.radio.codec2talkie"
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 141
-        versionName "1.41"
+        versionCode 142
+        versionName "1.42"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

codec2talkie/src/main/java/com/radio/codec2talkie/storage/log/LogItemAdapter.java

@@ -31,12 +31,14 @@ public class LogItemAdapter extends ListAdapter<LogItem, LogItemHolder> {
 
         @Override
         public boolean areItemsTheSame(@NonNull LogItem oldItem, @NonNull LogItem newItem) {
-            return oldItem.getTimestampEpoch() == newItem.getTimestampEpoch();
+            return oldItem.getTimestampEpoch() == newItem.getTimestampEpoch() &&
+                    oldItem.getSrcCallsign().equals(newItem.getSrcCallsign());
         }
 
         @Override
         public boolean areContentsTheSame(@NonNull LogItem oldItem, @NonNull LogItem newItem) {
-            return oldItem.getTimestampEpoch() == newItem.getTimestampEpoch();
+            return oldItem.getTimestampEpoch() == newItem.getTimestampEpoch() &&
+                    oldItem.getSrcCallsign().equals(newItem.getSrcCallsign());
         }
     }
 }