Default class probability of 15%

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -800,7 +800,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
 
         swClassification.setChecked(prefs.getBoolean("classification", false));
 
-        int class_min_chance = prefs.getInt("class_min_probability", 20);
+        int class_min_chance = prefs.getInt("class_min_probability", 15);
         tvClassMinProbability.setText(getString(R.string.title_advanced_class_min_chance, NF.format(class_min_chance)));
         sbClassMinProbability.setProgress(class_min_chance);
 

app/src/main/java/eu/faircode/email/MessageClassifier.java

@@ -259,7 +259,7 @@ public class MessageClassifier {
         });
 
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        double class_min_chance = prefs.getInt("class_min_probability", 20) / 100.0;
+        double class_min_chance = prefs.getInt("class_min_probability", 15) / 100.0;
         double class_min_difference = prefs.getInt("class_min_difference", 50) / 100.0;
 
         // Select best class